Porsche 928 GTS 1994 Owner'S Manual Download Page 127

Page: 127 / 127

Spare tire - collapsible 94

Specifications - engine 118
Speed control - automatic 53, 54

Speedometer 39
Starting hints/engine 36, 37,

110

Steering lock 36
Steering wheel adjustment 19
Sun visors 62
Sunroof 60, 61

Tachometer 39
Technical data 118 - 125
Theft protection 16
Tires 9 0 - 9 6
Tire size/pressure 90, 93, 121

Toolkit 89
Towing 112, 113

Transmission 6 5 - 6 8 , 73,

119

Trip odometer 39, 46
Turn signal lights/lever 50, 105,

106

Undercoating 84, 110
Unleaded fuel 78,

118

Upholstery, care of 85

Vanity mirror 62
Vehicle care 82 - 86
Vehicle identification 115 -

117

- label 117

- towing 112, 113

Ventilation/heater controls 55 - 58
Voltmeter 40, 41

w/z

Warning functions 44
Warning indicator lights 40 - 42
Washer system 50, 51, 74
Washing the car 82 - 8 6
Weights 122

Wheels 85, 90 - 96, 121

Wheel changing 94 - 97

- nuts, lockable 95

Window switches 17
Windshield washer reservoir 74

- wiper interval 51
- wiper washer lever 50, 51

Zero button 46

130

Summary of Contents for 928 GTS 1994

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Page 3: ... top driving condition by having it serviced regularly A sepa rate Warranty Booklet contains detailed informa tion about the warranties covering your Porsche For U S only If you believe that your vehicle has a defect which could cause a crash or could cause injury or death you should immediately inform the National Highway Traffic Safety Administration NHTSA in addition to notifying Porsche Cars N...

Page 4: ...s Porsche therefore reserves the right to make changes in design and specifications and to make additions or im provements in its product without incurring any obligation to install them on products previously manufactured IMPORTANT For your own protection and longer service life of your car please heed all operating in structions and special warnings Ignoring them could result in serious mechanic...

Page 5: ... on unleaded premium fuels with octane numbers of at least 95 RON 90 CLC or AKI since the engine s Electronic Octane knock control will adapt the ignition timing if necessary Cold tire pressures Summer tires front and rear 36 psi 2 5 bar Snow tires front 36 psi 2 5 bar rear 44 psi 3 0 bar Collapsible spare tire front and rear 36 psi 2 5 bar These tire pressures are valid only for Porsche approved ...

Page 6: ...Before Driving Off Running In Controls Maintenance Car Care Practical Tips Emergency Service Vehicle Identification Technical Data Index Pocket for Additional Information ...

Page 7: ...Anti theft alarm 16 Power windows 17 Interior lights 18 Seats 1 9 2 3 Luggage compartment 23 Mirrors 24 Safety belts 2 5 2 7 Child restraint systems 26 27 Air bag system 28 29 Brakes 3 0 3 3 Limited slip differential 34 Clutch 35 Starting 36 37 Controls Instruments Warning lights 38 54 Automatic climate control 55 58 Power sunroof 60 61 Engine hood hatchback 63 64 Transmission 6 5 6 8 7 ...

Page 8: ...hicle Be sure tires are inflated correctly Check tires for damage and tire wear See that wheel bolts are properly tightened and not loose or missing Check engine oil level add if necessary Make it a habit to have engine oil checked with every fuel filling Check coolant level to assure sufficient en gine cooling Be sure you have a well charged battery Check brake fluid level If too low have brake s...

Page 9: ...distance from the vehicle in front of you depending on traffic road and weather conditions Reduce speed at night and during inclement weather Observe speed limits and obey road signs When tired get well off the road stop and take a rest Turn the engine off Do not sit in the vehicle with engine idling See WARNINGS on Engine Exhaust When parked always set the parking brake Move the selector lever to...

Page 10: ...tion They tend to be slippery Break in new tires by driving at moderate speeds during the first 60 to 120 miles 100 to 200 km and longer braking dis tances must be anticipated Engine oil consumption During the break in period oil consumption may be slightly higher than normal As always rate of oil consumption depends on the quality and viscosity of oil the speed at which the engine is operated the...

Page 11: ...r flasher parking light switch lever 3 Horn 4 Windshield wiper and windshield headlight washer switch lever 5 Emergency flasher switch 6 Switches for power windows 7 Controls for power seat 8 Parking brake lever 9 Side view mirror adjuster 8 7 11 ...

Page 12: ...nd glove compartment lock There is one flat key which you can keep in your purse or wallet for instance as an emergency key A Key with built in flashlight Β Flat key C Rear glove compartment key D Key for lockable wheel nuts If you remove the plastic head of the flat key you can clip on an illuminated plastic handle available from your Porsche dealer Vehicles with a rear seat glove compartment rec...

Page 13: ...your license Key number The key number of the ignition key is supplied together with the keys themselves and should be kept in a safe place outside the vehicle For your protection against theft Record the key numbers and keep them in a safe place such as your wallet Do not keep them in the vehicle If you should lose a key provide your Porsche dealer with the key number and the vehicle identificati...

Page 14: ...n storage compart ment To open press knob in hand cutout and tilt armrest outward To close tilt compartment toward door panel Courtesy light The courtesy light in the lower door panel D will come on when a door or the hatchback is opened The light can also be turned on or off with the switch on the light housing Door warning lights The red spot lights in the rear doorjambs will come on when a door...

Page 15: ...tomatically unlocked as well To prevent being accidentally locked out of the vehicle the central locking system can only be actuated when the driver s door is closed even if the passenger door is still open If the central locking system fails to work open and close the two doors individually The alarm system can be armed by closing a door three times in rapid succession Central locking button Both...

Page 16: ... signal after 10 seconds not all of the alarm contacts have been closed 16 Doors central door locking system Engine and luggage compartment lids Glove compartment Radio Ignition If an alarm contact is broken the alarm horn will sound for approx 4 minutes At the same time the interior lights and the hazard warning lights flash for approx 4 minutes When the alarm is triggered the LEDs are switched t...

Page 17: ...ically opens the windows fully The movement of the windows can be stopped in any position by tapping the switch again Closing windows To close the windows the switch must be held down until the windows have reached the desired position Door lock contact If the key is held in the locking position when locking a door the sunroof and the door win dows will close in succession automatically WARNING Do...

Page 18: ...ey Footwell light in lower part of door trim The interior lights have the following switch posi tions A light comes on only when a door or the hatchback is opened Β light switched off permanently C light switched on permanently Make sure the interior lights are turned off when the vehicle is parked battery run down The interior light in the headlining and the lug gage compartment light are switche...

Page 19: ...pedal depressed while your foot is bent 2 Adjust desired fore aft height 3 Clasp upper portion of steering wheel Then adjust backrest inclination so that both shoulders remain in contact with the backrest even with your arms fully stretched 4 If necessary correct the longitudinal adjust ment Steering wheel adjustment For maximum legroom and unobstructed view of the instruments the height of the st...

Page 20: ...ckrest reclined Safety belts only offer protection when the backrest is upright and the belts are properly positioned on the body Improperly posi tioned safety belts can cause serious per sonal injury in an accident The height of the seat can be adjusted electri cally by pressing the rocker switches 3 4 Height adjustment front 7 8 Height adjustment rear Backrest release The backrest can be folded ...

Page 21: ... switched off Turn knurled knob up to increase temperature Turn knurled knob down to reduce temperature Lurnbar support B The backrest support can be regulated vertically and horizontally to any position to guarantee a relaxed seated posture and provide individual lumbar support Lumbar support horizontal Lumbar support vertical Manual operation Should the electrical seat adjustment fail you can us...

Page 22: ...r 3 The memory button must be pressed before the position but ton Calling up a position To set the seat to the position stored in the memory the appropriate position button must be depressed until the seat reaches its final position The procedure is curtailed as soon as the button is released The buttons are il luminated for ease location Once the seat reaches its end position the mir rors are set...

Page 23: ...e rear seats can be tilted forward to provide additional luggage space To release backrest pull the lever on side of the backrest up and at the same time tilt the back rest forward WARNING Because of inherent hazards we do not rec ommend transporting objects larger than those fitting safely into the luggage compart ment Keep the hatchback closed while driv ing to prevent poisonous exhaust gas from...

Page 24: ...window defogger defroster is switched on the outside mirrors are also heated electrically The outside mirrors are adjustable from inside of the vehicle by a four direction switch and a rocker switch located on the left door next to the side window vents in the arm rest The rocker switch selects either the left or right mirror for adjustment Press the rocker switch into the appropriate position The...

Page 25: ...vent secure locking Make sure that belt of the unoccupied passenger seat is fully wound up on its retractor so that the belt tongue is in its stowed position Belts that have been subjected to excessive stretch forces in an accident must be replaced If belts show damage to webbing bind ings buckles or retractors they should be replaced If belts do not work properly see your authorized Porsche deale...

Page 26: ...se button on buckle Belt tongue will spring out of buckle To release a locked belt lean back to take the body pressure off the belt To store lap shoulder belt allow belt to wind up on retractor as you guide latch to its stowed position Child Restraint Systems WARNING Failure to follow these child restraint instruc tions may result in serious personal injury Instructions Porsche recommends that all...

Page 27: ...tem Do not install in the passenger seat Child restraint anchorages Canada Models If your child restraint seat or seats require the use of a tether strap you will want to use the anchor points provided on the panel behind the rear seats The right child restraint anchorage is shown in the illustration see arrow The hardware needed to attach the tether strap comes with your Porsche The hardware can ...

Page 28: ...o the ignition mecha nism In the ignition process a solid propellant in the gas generator is combusted in a fraction of a second This combustion generates the gas quantity and pressure necessary to fill the air The air bag is located behind the steering wheel center pad on the driver s side and on the pas senger side behind the padding above the glove compartment Due to the rapid deflation of the ...

Page 29: ...cated by the illumination of the air bag warning light accompanied by the fault message in the information system display In order to ensure long term functioning the air bag system must be inspected by an authorized Porsche dealer after 4 8 and 10 years from the date of manufacture shown on the safety compli ance sticker and then every 2 years WARNING No changes must be made to the wiring or comp...

Page 30: ...ission or move the gearshift lever to reverse or first gear Manual trans mission On hills also turn the wheels toward the curb The parking brake light is not an indicator that the parking brake is fully set it is only intended to be a warning to release the park ing brake before driving the car If brake is not fully set the vehicle may roll without con trol Brakes Functioning of brake system Your ...

Page 31: ...eases very rapidly as the speed increases At 60 mph or 100 km h for example it is not twice but four times longer than at 30 mph or 50 km h Tire traction is also less effective when the roads are wet or slippery Therefore always maintain a safe distance from the car in front of you Brake booster The brake booster assists braking only when the engine is running When the car is moving while the engi...

Page 32: ...ble Driving with the ABS system A wheel speed sensor is fitted to each of the four wheels If wheel slippage of either of the front wheels or the rear wheels is sensed during braking the brake pressure is adjusted automat ically until the wheel no longer slips The brake pressure is regulated for each front wheel in dividually and for both rear wheels together On a road surface which is slippery on ...

Page 33: ...system is set for standard tire size If non standard tires are fitted the control unit may misinterpret the speed of the vehicle because of the variant data it receives from the sensors on the axles If the difference in rolling radius exceeds ap prox 6 the control unit deactivates the ABS system and the ABS warning lamp lights up 33 ...

Page 34: ...ange whenever the control unit receives a high lateral acceleration signal when accelerating out of corners and the inside wheel shows signs of slipping The lock transmits the non transferable driving force of the inside wheel to the outside wheel The lock is opened for safety reasons if both wheels slip Deceleration in corners If the control unit receives a high lateral accel eration signal at sp...

Page 35: ...ary Should this free travel suddenly become bigger it could mean a malfunction of the clutch See your Porsche dealer for rectification Always depress the clutch pedal fully when changing gears Do not hold the car on a steep hill with the clutch pedal partially depressed This will cause premature wear or damage 35 ...

Page 36: ...tarter is operated by turning the ig nition key to the right As soon as the en gine starts release the key It will spring back to position 2 With the engine run ning the warning lights should go out ex cept the warning light for the stop lamp which will go out after depressing the brake pedal and the park brake light after fully releasing the parking brake To conserve battery power the electric ci...

Page 37: ... release the igni tion key If the engine fails to start after 10 to 15 seconds of cranking wait about 10 sec onds before engaging starter again Do not let the engine idle to warm it up After starting drive vehicle at moderate speeds and with gradual accelerations Avoid high rpm and full throttle operation until the engine has reached normal operating temperature Stopping engine Turn key back to po...

Page 38: ...rning light 8 Phototransistor for brightness control 9 Selector lever position indicator 10 High beam indicator light 11 Parking light indicator 12 Voltmeter 13 Emission control system malfunction indicator light 14 Stop lamp warning light 15 PSD warning light 16 Coolant temperature gauge 17 Tachometer 18 Information system display 19 Speedometer 20 Fuel level gauge 21 Brake fluid warning light 38...

Page 39: ...om being overrevved under load Indicator system for position of gearshift Automatic transmission Whenever the ignition is switched on or the ve hicle lights are switched on the position of the gearshift lever lights up in the display field of the instrument cluster The display goes off when the key is removed or when the vehicle lights are switched off Speedometer The speedometer indicates driving...

Page 40: ...evel gauge and warning light With the ignition on the amount of fuel in the tank is indicated by the fuel gauge needle If the level is too low the fuel level warning light comes on and fault message appears in the in formation system display Fuel level warning light This light comes on when the fuel reserve level in the tank is down to about 3 2 U S gals or 12 liters Time to refuel Never run the t...

Page 41: ...the power supply to the fan control is defective If the problem cannot be readily located be sure the engine has cooled down sufficiently Then drive to the nearest Porsche dealer but carefully watch the coolant temperature gauge and the warning light Try to avoid engine idling very low speeds and engine speeds in excess of 4000 rpm For other details refer to Cooling System Warning lights Indicator...

Page 42: ...dicates that a fault has occurred In both cases normal braking as in vehicles without ABS is still re tained The ABS system should however be ex amined at an authorized Porsche dealer immedi ately to prevent the occurrence of further faults The turn signal indicator light for trailer operation is not connected The turn signal indicator light in the instru ment cluster will flash with the switch le...

Page 43: ...part has to be changed or the water in the washing water reservoir topped up the fault is indicated by red lettering and a symbol which does not flash In this event it is not necessary to interrupt the journey immediately or seek the assistance of an authorized Porsche dealer If the oil level is too low the corresponding fault message will appear as soon as the ignition is switched on irrespective...

Page 44: ...Warnings displayed in response to faults 44 ...

Page 45: ...ys Pull control lever for 3 seconds to reset With the ignition on the on board computer and auxiliary functions below can be called up in turn with the aid of the information system control lever The letters digits and symbols for all the function displays are orange Any messages concerning faults occurring simultaneously in the car will appear in red Once the ignition is switched off the last fun...

Page 46: ...n refuelling stops Start push button for 1st time Stop push button for 2nd time Reset push button for 3rd time Stop is indicated by a flashing colon A four digit reading appears once the stopwatch has been stopped Once the stopwatch has been acti vated it continues to run even after the ignition is switched off American measuring units will be changed into metric units by pulling the lever twice w...

Page 47: ... height adjustment 5 Fog light switch 15 Clock 24 Turn signal headlight dimmer flasher 6 Instrument cluster 16 Gearshift selector lever parking light switch lever 7 Horn 17 Rear window wiper switch 25 Control lever for information system 8 Emergency flasher switch 18 Sunroof switches 26 Instrument illumination control 9 Rear window defogger switch 19 Power window switches 27 Engine compartment hoo...

Page 48: ... lights side marker lights license plate and instrument lights are on in switch position 1 and 2 If the lights are switched off after the ignition the headlamps extended When you open the door while the lights are on the gong will sound It is your reminder to switch off the lights Instrument illumination control With headlights on the brightness of the instru ment illumination can be adjusted by t...

Page 49: ...e indicator light in the instrument cluster lights when high beam is switched on Pull lever toward steering wheel to select low beam You can flash signal other motorists by re peatedly pulling and releasing the lever Headlight flasher During daylight you can flashsignal other mo torists with your additional headlights in lieu of horn by repeatedly pulling and releasing the lever With headlights on...

Page 50: ...ream soaks the dirt on the lenses and washes it off Repeat the wash cycle as nec essary to remove heavy dirt accumulation The headlight washer system operates only with the headlights on Avoid running the wiper blades over a dry windshield to prevent scratching the glass Spray on washer fluid first A scratched windshield will reduce visibility Always loosen blades frozen to glass before operating ...

Page 51: ...ponents can burn skin on contact Remember the air conditioner condenser fan is thermostatically controlled and may come on at anytime regardless of ignition switch position Rear window defogger defroster The rear window defogger defroster heating ele ment is actuated by a push button rotary switch The switch is illuminated when the heating ele ment is energized After the rear window has been clear...

Page 52: ...e maintained automatically WARNING Do not use the cruise control when it may be unsafe to keep the car at a constant speed For example a constant speed may not be safe in heavy traffic or on winding or slippery roads With the cruise control sys tem engaged the engine speed will not re turn to idle when removing the foot from the accelerator pedal Please observe all local and national speed limits ...

Page 53: ... re lease the lever Decrease preset speed Apply the brake which will disengage the auto matic speed control When the vehicle has slowed down to the desired speed push lever toward instrument cluster arrow 1 to set the new cruising speed As an alternative disengage the automatic speed control by moving the lever toward you arrow 3 When the vehicle has slowed down to the desired speed push lever tow...

Page 54: ...ld and footwell The air outlets for the windshield and the foot well are fixed in place Only the fan switch is used to regulate the air flow Center and side nozzles The air flow from the center and side nozzles can be varied by pivoting the nozzle inserts and by adjusting the vents A lever attached at the side of the nozzles pro vides continuous control for the air flow to the side and center nozz...

Page 55: ...erature lever Then switch on the air condi tioner by pressing the AC switch in the center console arrow If no cooling of the air is required in transitional or colder seasons the air conditioner should not be switched on due to considerations of fuel economy With sudden fluctuations in temperature the automatic system regulates the control of warm air fresh air and if the air conditioner compres s...

Page 56: ...settings Fan speed control rotary switch knob The air volume is controlled by a 4 speed fan When the ignition is turned on the fan automat ically operates at low speed even with the switch in 0 position By turning the knob clock wise fan speeds 1 4 can be selected to in crease the air volume Program control lower lever There are several programs available in order to adapt to individual needs with...

Page 57: ...nditioner is turned on the back vaporizer can be switched on by turning the but ton at the left in the center console to the right Fan speeds from 1 to 3 can be adjusted Turning the button at the right to the right in creases the cooling output from the rear va porizer The inside air is drawn in through the rear grid cooled and circulated in the floor area If the AC switch has not been pushed in o...

Page 58: ...ter removed the socket may be used for small electrical appli ances such as a shaver hand vacuum cleaner or air compressor to inflate the collapsible emer gency spare tire The maximum rating of such equipment should not exceed 120 Watt 12 Volt With the engine not running electrical appliances must be used no longer than 5 minutes battery run down Do not damage the socket by trying to in sert plugs...

Page 59: ... close the sunroof the switch must be pressed until the sunroof has reached the desired position Door lock contact If the key is held in the locking position when locking a door the sunroof and the door win dows will close in succession automatically Do not operate the sunroof at driving speeds exceeding 60 mph or 100 km h The force to overcome wind resistance at higher speeds may cause damage to ...

Page 60: ...sche dealer correct the fault Rear window wiper To avoid scratching the glass the rear window should be sufficiently wet before turning on the wiper To actuate the wiper push the rocker switch in the center console The wiper action disengages or engages auto matically when the luggage compartment lid is opened or closed When cleaning the rear window the wiper arm should be lifted only slightly 61 ...

Page 61: ...sure the glove compartment door is closed when the vehicle is parked battery run down Rear seat glove compartment To open the glove compartment press the but ton arrow and lift the lid The glove compart ment is lockable Sun visors The front sun visors can be moved to the sides as well as forward arrows The rear sun visors can be moved backward Vanity mirror The vanity mirrors are incorporated into...

Page 62: ...d press safety catch handle upward arrow Then lift up the hood The windshield wipers should not be tilted forward The engine compartment light will come on when the hood is open To close Lower the hood slowly and then push down with both hands until the lock snaps shut WARNING Should you notice at any time while driving that the hood is not secured properly please stop at once and close it 63 ...

Page 63: ...cts through the rear Sharp edged objects may damage the defogger wires in the rear win dows 64 Hatchback To open see Hatchback release or insert the key into the lock and turn clockwise The hatchback springs up slightly under spring pressure Lift the hatchback by hand to open To close Lower the hatchback slowly and then push down with both hands until lock snaps shut Pull up on hatchback to make s...

Page 64: ...on is put into reverse with ignition on The gear positions are illustrated in the diagram If you wish to shift from 1st gear into Reverse the gearshift lever must first be brought into the Neutral position and then shifted into Reverse This is necessary because of the reverse gear lock out mechanism For smooth shifting observe the following shift points which apply to standard gear ratios only Max...

Page 65: ...g brake Always make sure the selector lever is in the P position when checking under the hood Otherwise any increase in engine speed may set the vehicle in motion even with the park ing brake applied A driving position must never be used for hold ing the vehicle at rest uphill Always use your foot brakes when stopped on inclines WARNING While driving with the automatic speed con trol set at speeds...

Page 66: ...the brake and depress the accelerator pedal WARNING Do not release the brake before you are pre pared to move because power is mitted to the wheels as soon range is engaged as a trans driving Selecting a driving position while driving is easy Simply release the accelerator pedal and move the selector lever from the position you are into the position you want Then step on the accelerator again WARN...

Page 67: ...in the automatic transmis sion and other critical parts If you cannot free the vehicle after a few rock ing attempts call for help or a tow truck Accelerator pedal position Under moderate acceleration in the part load range upshifts are effected at low speeds for the sake of economy and quietness Under full acceleration the upshift points slide to higher speed ranges For maximum acceleration the a...

Page 68: ...luid 6 Fuel 7 Battery electrolyte 8 Hydraulic fluid for steering 9 Transmission oil or ATF Cautions 70 Engine oil 71 73 Transmission oil 73 Washer reservoir 74 Cooling system 74 75 Power steering 76 Air filter 76 Brake fluid reservoir 77 Fuel 7 8 8 0 Additional equipment 81 Car care instructions 82 86 69 ...

Page 69: ...rk has to be done with the engine running always set the parking brake and make sure the shift lever is in either Neutral or Park In particular be very careful to ensure that items of clothing ties sleeves etc jewelry or long hair cannot get caught in the fan V belts or other moving parts Your Porsche is equipped with a transis torized ignition system with breakerless distributor When the ignition...

Page 70: ...r if the oil level sending unit is not working a fault message appears in the information system display when the ignition is switched on Top up the engine oil or replace oil level sending unit See Cautions Checking oil level To get a true reading the car should be on level ground After turning off the engine wait a few minutes for the oil to return to the oil sump 1 Pull out dipstick and wipe it ...

Page 71: ...re API class SG US specification and CCMC G4 G5 European specification Viscosity Engine oil is viscous when cold and thin bodied when warm The viscosity of an oil is expressed by its SAE class For cold viscosity the SAE class is given as a number and the letter W as in winter for hot viscosity the SAE class is given only as a number The viscosity of an oil is therefore always the same for a specif...

Page 72: ...portant for the proper functioning of the transmission The reading should be done when the ATF is warm with the engine idling the selector lever in Neutral and the parking brake applied The level of the ATF can be checked visually through the transparent reservoir located at the rear end of the transmission housing You have enough ATF if the fluid level is between the MAX and the MIN mark on the r...

Page 73: ...o advise you For year round driving anti freeze is added at the factory for temperatures down to 23 F 30 C for U S 40 F 40 C for Canada Because of its anti corrosion properties anti freeze should also remain in the cooling system for summer operation Cooling system capacity and specified anti freeze and water ratios are listed under Filling Capacities Use any quality phosphate free anti freeze con...

Page 74: ...s see coolant temperature gauge and coolant temperature warning light Fan control This device permits cooling output to be adapted to the operational status of the engine A control unit processes the information it re ceives from the sensors in the engine compart ment and passes the appropriate signals to the fans If more air is needed the speed of the two continuously adjustable electric cooling ...

Page 75: ... cleaner not only reduces engine per formance but can lead to premature engine wear The filter element must be replaced at the intervals listed in your Maintenance Schedule If driving is mostly done in areas where the air is very dusty the air cleaner should be checked and cleaned frequently perhaps daily 1 Detach air intake hoses from air cleaner housing Make sure that each hose stays connected t...

Page 76: ...he nearest Porsche dealer to have the cause located and cor rected WARNING Brake fluid has to be replaced in accordance with the intervals specified in your Main tenance Booklet If brake fluid must be added to the reservoir use only new and unused original Porsche brake fluid Do not use any other brake fluid or brake fluids that have absorbed moisture from the open air or brake fluid that is dirty...

Page 77: ...l with an octane rating of 98 RON 93 CLC or AKI Porsche therefore recommends the use of these fuels in your vehicle Porsche also recognizes that these fuels may not always be available Be assured that you ve hicle will operate properly on unleaded premium fuels with octane numbers of at least 95 RON 90 CLC or AKI since the engine s Electronic Octane knock control will adapt the ignition timing if ...

Page 78: ...ak cause an explo sion or result in fire in case of a collision Always use unleaded fuel with octane ratings of at least 95 RON or 90 CLC or AKI Gasolines containing alcohol and ether Some areas of the U S require oxygenated fuels during certain portions of the year Oxy genated fuels are fuels which contain alcohols such as methanol or ethanol or ether such as MTBE Under normal conditions the amou...

Page 79: ...ment contribute to in creased fuel consumption The EPA estimated m p g is to be used for comparison purposes actual mileage may be different from the estimated m p g de pending on your driving speed weather conditions and trip length Your actual highway mileage will probably be less than the estimated m p g Please observe all local and national speed limits Operating your Porsche in other countrie...

Page 80: ...a speed of 140 km h 85 mph at any time WARNING Make sure that the load is carefully mounted Secure it additionally by locking the roof transport system Radio reception The reception quality of your car radio changes constantly while you are driving Interference due to buildings topographic features or the weather are inevitable FM stereo reception is particularly sensitive to changing conditions T...

Page 81: ...lution High concentrations might cause problems ranging from irritation to serious injury as well as damage to your vehicle Do not use gasoline kerosene naphtha nail polish remover or other volatile cleaning fluids They may be toxic flammable or haz ardous in other ways Only use spot remov ing fluids in well ventilated areas Do not clean the underside of chassis fenders wheel covers etc without pr...

Page 82: ...nt The engine compartment and the surface of the engine are treated with a corrosion inhibitor at the factory If degreasing solvents are used to clean the en gine compartment or the engine is washed down the process almost invariably removes the corrosion inhibiting coating It is then abso lutely necessary to have a durable preservative applied to all surfaces body seams joints and assemblies in t...

Page 83: ... top coat The paint code and color number are found on the vehicle s paint data plate Undersealing The underside of your car is durably protected against chemical and mechanical influences As it is not possible to exclude the risk of dam age to this protective coating in day to day driv ing it is advisable to have the underside of the car inspected at certain intervals preferably before the start ...

Page 84: ...reak down the oxide film of the pro tective coating and will cause discoloration of the wheel Leather care Leather is a natural material The tanned hide is a product of nature The natural surface mark ings of leather skins such as creases healed scratches insect bites structural differences and slight variations in shade and grain add to the attractiveness of the real leather product We recommend ...

Page 85: ...ight If unsuitable cleaners are used or any attempt is made to dye or bleach the belts the webbing may be weakened and thus constitute a safety risk Storing your Porsche Vehicle If you intend to store your Porsche for a pro longed period please consult your authorized Porsche dealer The staff will be glad to advise you on the most suitable and necessary methods 86 ...

Page 86: ... 94 Lock up wheel nuts 95 Changing a wheel 96 Lifting vehicle 97 Battery 98 99 Emergency starting 100 101 Fuses and relays 102 Replacing bulbs 103 107 Headlight adjustment 108 Manual operation of headlights 109 Emission control system 110 111 Fuel evaporation control 112 Vehicle towing 112 113 87 ...

Page 87: ...rk has to be done with the engine running always set the parking brake and make sure the shift lever is in either Neutral or Park In particular be very careful to ensure that items of clothing ties sleeves etc jewelry or long hair cannot get caught in the fan V belts or other moving parts Your Porsche is equipped with a transis torized ignition system with breakerless distributor When the ignition...

Page 88: ...e rim wrench are located un derneath the luggage compartment together with the collapsible spare tire The tire is covered by a lid with a quick release catch WARNING Use the jack only for changing a wheel Never jack up other vehicles or other loads with it Follow all warnings and instructions found in this manual for changing a tire The jack must never be used as a support to work underneath the v...

Page 89: ...ours or less than 1 mile Never let any air out of warm tires to meet cold tire pressure specifications Tire traction WARNING When driving on wet or slushy roads a wedge of water may build up between the tires and the road This phenomenon is known as aquaplaning and may cause partial or complete loss of traction vehicle control or stopping ability Reduce speed on wet sur face Tire life Tire life de...

Page 90: ...oss of pressure or any other prior damage we recom mend that the tire be replaced for safety rea sons If one faulty tire is replaced it should be noted that the difference in tread depth on one axle must not exceed 30 Handling inconsistencies may result Performe visual inspection Parking at the curb Hard impacts against curbs or traffic islands are dangerous and may cause hidden tire dam age which...

Page 91: ... and run in the same direction as before When fitting tires already mounted on rims en sure that the colored wheel bolt is always across from the valve Always screw the locka ble wheel nut onto this bolt When removing mark the direction of rotation on each wheel e g FR FL RR and RL This precaution ensures that the wheels will be remounted in the same position thus obviating the risk of imbalance T...

Page 92: ... or snowfree roads as a normal tire Furthermore snow tires wear rapidly under these conditions Snow tires do not fulfill their purpose if the tread depth is less than 5 32 in 4 mm Comply with all state and local laws governing snow tire and tread depth requirements Snow chains WARNING Snow chains cannot be fitted on standard size wheels To prevent damage to body axle or brake components snow chain...

Page 93: ...hose of air compressor to tire valve and insert plug of electric cord into cigarette lighter socket 3 The required tire pressure is 36 psi or 2 5 bar Check pressure with tire pressure gauge 4 Disconnect hose and electric cord and store air compressor 5 Have flat road tire repaired and remount ed on car at next service stop Remem ber the collapsible tire is for emergency use and short distances onl...

Page 94: ...e key with the service attendant In case of loss duplicate keys cannot be furnished by your Porsche dealer Do not leave these keys in the vehicle Keep them in a safe place Removing the wheel nut lock 1 Pull off the plastic cap with the key 2 Insert the key into the lock and turn until it engages in the recess 3 Turn the key slightly and withdraw it together with the lock Fitting the wheel nut lock...

Page 95: ...the car jack in the front jack port located under the body There are two on each side front and rear Do not raise the vehicle until you are sure the jack is securely engaged 3 To raise the car turn the handle clockwise Only raise the car as much as is needed to change the wheel 4 Fully unscrew all wheel nuts remove the wheel and put the collapsible tire on 5 When the wheel is in position reinstall...

Page 96: ...er be lifted or jacked up from underneath the engine oil pan the transmission housing or the front or rear axle This could lead to serious damage Lifting with workshop hoist or floor jack Make sure there is sufficient clearance between pads and vehicle before driving vehicle onto hoist especially if the vehicle has a large front panel or spoiler The vehicle must be lifted only at the lift points f...

Page 97: ...t Curtail unnecessary power consumption particularly in city traffic or when travelling short distances only WARNING Do not lay tools or other metal objects on the battery as they could cause a short cir cuit across the battery terminals Do not expose the battery to an open flame or electric spark Hydrogen gas generated by the battery is explosive Do not let battery acid come in contact with skin ...

Page 98: ...by the battery is explosive Electrolyte fluid that may spill during charg ing should be washed off with a solution of warm water and baking soda to neutralize the acid If you get electrolyte in your eyes or on your skin immediately rinse with cold water for several minutes and call a doctor Never charge a frozen battery It may ex plode because of gas trapped in the ice Allow a frozen battery to th...

Page 99: ...e with booster battery should not be running Disconnect ground cable Remove vent caps from booster battery and discharged battery Preferably lay a cloth over open vents to reduce explosion hazard How to use jumper cables WARNING To avoid serious personal injury and damage to the vehicle heed all warnings and instruc tions of the jumper cable manufacturer Only jumper cables of adequate diameter cro...

Page 100: ...car may result Start assist connecting points sequence On right side of engine compartment you will find a positive battery post remote connec tion First connect clamp at end of positive cable to the remote connection in the en gine compartment arrow Then connect clamp at other end of positive cable to the positive terminal of the booster battery booster battery Then connect clamp at other end of ...

Page 101: ... carpet in the passenger s footwell and tilt up the protective cover plate from fuse relay board 2 In a blown fuse the metal strip has melted In order to replace the fuse it must be pulled out The tool for doing this is located at the top left on the central electrical system 3 Carefully install new fuse Use only fuses with the same rating as replacements It is advisable to always carry a few spar...

Page 102: ... remember that some countries require spare bulbs as part of the safety equipment Headlights high beam low beam 1 Turn the ignition on 2 Turn light switch to position 2 to raise the headlights 3 Turn the ignition off 4 Unsrew the 3 Phillips screws arrows and re move headlight cover 5 Turn holder of defective bulb anticlockwise to limit stop and remove 6 Unplug wires replace bulb and reconnect the ...

Page 103: ...emove Phillips screws holding the lamp ar 5 Remove defective bulb and replace Be sure rowed and pull out the lens as a unit guide pins on bulb base fit into socket of re flector 4 Disconnect wire Push down holding clamp for bulb 6 Reinstall lamp tighten screws Check functioning and adjustment of light 7 Install rubber buffer and side cover and tighten retaining screws 104 ...

Page 104: ...t 2 Use the spark plug spanner to unscrew the hex nut arrowed which holds the tail light unit in place and remove the unit from the rear bumper 3 Turn holder of defective bulb anticlockwise to limit stop and remove bulb holder 4 Remove bulb from bulbholder and fit new bulb Reinstall bulbholder and turn clockwise to limit stop 5 Install tail light unit in bumper and tighten re taining nut Do not ov...

Page 105: ... bulb 3 Reinstall lens tighten screws Check function ing of light 4 Install plastic trim and tighten retaining screws Additional stop light 1 Remove Phillips screws from light unit and re move unit 2 Lightly pull lens out and replace defective bulb 3 Check functioning of light 4 Reinstall lens and light unit Tighten retaining screws 106 ...

Page 106: ...n headliner and carefully pry out the lamp housing 2 Remove defective bulb between contact springs and insert new bulb 3 Insert one side of the lamp housing into cut out and press firmly on the other side Light unit will snap into place Ashtray light 1 Remove the two screws in ashtray housing and pull the housing upward and out 2 Slide bulb holder out of the housing and re place defective bulb 3 S...

Page 107: ...t side cover with a screw driver Adjustment screws Each headlight and each additional headlight has two adjusting screws One for lateral and one for vertical setting Each fog light has one ad justing screw for vertical adjustment By turning these screws left or right the corresponding beam position is effected Each fog light has one adjusting screw for vertical adjustment Screw a lateral adjustmen...

Page 108: ...the driving motor The connecting rod assembly is designed in such a way that it needs only be turned to the left to either raise or retract the headlights WARNING Do not turn the knob on the drive shaft as long as the automatic mechanism is operat ing The motor may turn suddenly and cause injury Before turning the knob check whether the motor will work with the ignition in position 1 or 2 and the ...

Page 109: ...commen dations described in your Maintenance Booklet Lack of proper maintenance as well as improper use of the vehicle will impair the function of the emission con trol system and could lead to damage Do not alter or remove any component of the emission control system unless ap proved by the manufacturer Do not alter or remove any device such as heat shields switches ignition wires valves etc whic...

Page 110: ...orrects the air fuel ratio so that the engine always receives an accurately metered air fuel mixture Crankcase ventilation Through crankcase ventilation undesirable emis sions from the engine crankcase are not per mitted to reach the outside atmosphere These emissions are recirculated from the crankcase to the air intake system From here the emis sions mix with the intake air and are later burned ...

Page 111: ...ned tempera ture Fuel vapors from the carbon canister will be mixed with fresh air taken from the engine com partment This mixture will be directed via two vacuum controlled valves to the air intake sys tem housing The temperature controlled ON OFF valve has the following functions To stop purging of the canister during idle the rich vapor flow from the canister would influence the mixture charact...

Page 112: ...check the underside of the ve hicle for any interference Tieing down vehicle on flat bed Carefully feed towing straps through the opening in the rear wheels Make sure metal parts of straps do not damage rim Make sure the strap is flat over the rim bead Make sure brake back ing plate is not damaged Secure straps to rear of flat bed Reel in hoist cable only far enough to tension tie down straps Care...

Page 113: ...Vehicle Identification Technical Data 1 Engine number 2 Vehicle identification number 3 Identification plate 4 Safety compliance sticker 5 Paint data 6 Vehicle identification label 115 ...

Page 114: ... number is beneath the ashtray cover The number is revealed by removing the ash tray Vehicle identification number Engine number In accordance with Federal Safety Regulations The engine number is stamped on the front rein the vehicle identification number of your car is forcing rib in the top half of the crankcase located on the left windshield post and can be seen from the outside 116 ...

Page 115: ...lso shows the month and year of production and the vehicle identification number of your car perforations as well as the Gross Vehicle Weight Rating and the Gross Axle Weight Rating Vehicle identification label The vehicle identification label is located under neath the luggage compartment floor cover next to the spare wheel well This label contains the following information 1 Vehicle Identificati...

Page 116: ... of 98 RON 93 CLC or AKI Porsche therefore recommends the use of these fuels in your vehicle Porsche also recognizes that these fuels may not always be available Be assured that your vehicle will operate properly on unleaded premium fuels with octane numbers of at least 95 RON 90 CLC or AKI since the engine s Electronic Octane knock control will adapt the ignition timing if necessary Bosch WR 7 DT...

Page 117: ...b weight and half load capacity 1st gear 2nd gear 3rd gear 4th gear 5th gear Manual transmission approx 60 approx 60 approx 40 approx 27 approx 18 The slip limit on a dry road surface and with standard tires is at approx 60 Power train Gear ratios Manual transmission 1st gear 2nd gear 3rd gear 4th gear 5th gear 3 775 2 519 1 795 1 358 1 000 Automatic transmission approx 60 approx 47 approx 27 appr...

Page 118: ... aluminum engines and radiators Approx 1 27 U S gals or 4 8 liters Use hypoid oil SAE 75W 90 conforming to API GL 5 or Mil L 2105 B Approx 2 46 U S gals or 9 3 liters ATF Dexron II D At oil changes 1 93 U S gals or 7 3 liters are required Approx 0 5 U S gal or 1 9 liters hypoid oil SAE 75 W 90 conforming to API GL5 or Mil L 2105 B Approx 0 74 U S qt or 0 7 liters ATF Dexron II D Approx 23 U S gals...

Page 119: ...ssible speed e g 90T are minimum require ments When fitting new tires or changing tires follow the instructions in the section Tires Wheels 165 70 16 92 Ρ on 5 5 J χ 16 H2 rim Maximum speed 50 mph or 80 km h for summer tires 2 5 bar 36 psi front and rear for snow tires 2 5 bar 36 psi front 3 0 bar 44 psi rear Collapsible tire 2 5 bar 36 psi Snow chains cannot be mounted on standard size wheels Mou...

Page 120: ...11 7 m Length 178 07 in 4523 mm Width 74 41 in 1890 mm Height at curb weight 50 47 in 1282 mm Ground clearance 4 53 in 115 mm Do not exceed total permissible weight 1 Automatic 3638 lbs 1650 kg 2 Automatic 606 lbs 275 kg 3 inc standard 38 mm spacers The vehicle capacity weight max load the Gross Vehicle Weight Rating GVWR and the Gross Axle Weight Ratings GAWR for front and rear are listed on the ...

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Page 123: ...20 40 60 80 100 120 140 160 180mph 125 ...

Page 124: ...Index 127 ...

Page 125: ...ral door locking 15 Changing a wheel 94 97 Child restraint systems 26 27 Cigarette lighter 59 Cleaning 82 86 Climate control system 55 58 Clock 59 Clutch 35 Collapsible spare tire 94 Coolant temperature gauge 41 Cooling system 74 75 fan control 75 Corrosion prevention 82 86 D Dashboard 48 Defogging defrosting 52 Dimensions 122 Directional signals 42 50 Doors locks 14 15 Driving hints 8 10 Ε Electr...

Page 126: ...nual transmission 65 Mirrors 24 62 Octane ratings 78 80 118 Odometer 39 46 Oil level checking 71 73 grades 72 73 120 pressure gauge warning light 40 transmission 73 On board computer functions 45 46 Oxygen sensor I l l Ρ Paint number 117 Paint damage 84 Parking brake lever 30 Parking brake light 42 lights lever 50 106 Performance 119 Polishing 83 84 Power steering fluid 76 120 windows 17 Pressure ...

Page 127: ... 119 Trip odometer 39 46 Turn signal lights lever 50 105 106 u Undercoating 84 110 Unleaded fuel 78 118 Upholstery care of 85 V Vanity mirror 62 Vehicle care 82 86 Vehicle identification 115 117 label 117 towing 112 113 Ventilation heater controls 55 58 Voltmeter 40 41 w z Warning functions 44 Warning indicator lights 40 42 Washer system 50 51 74 Washing the car 82 8 6 Weights 122 Wheels 85 90 96 ...

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Porsche 928 GTS 1994, Owner'S Manual

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