Porsche 928S 1983 Driver Manual Download Page 93

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Motor Oils

Use only branded HD oils which satisfy the

API classification API SE or SF for gasoline
engines. These classifications are often given
together with the classifications for diesel en-
gines, e. g., SE/CC, SF/CC or SF/CD.

Single-grade, multigrade and fuel-economy
oils can be mixed provided the viscosity grades
correspond to outdoor temperatures.

Single-Grade Oils

Single-grade oils may only be used when
multigrade oils are not available and the car is
being used under normal conditions. To pre-

vent damage, the oil must be changed as re-
quired when temperatures change consider-
ably.

Multigrade Oils

The oil change intervals given in the service
schedule apply when multigrade oils are used.

For all-season use only the multigrade oils

indicated the table opposite may be used, in
accordance with prevailing air temperatures.

Fuel-economy Oils

In addition to single-grade and multigrade oils,
"fuel-economy" oils are available (developed

for all-year round use). Before using these

unconventional oils, consult your authorized
Porsche dealer.

Summary of Contents for 928S 1983

Page 1: ......

Page 2: ...r vehicle and the description in the Drivers Manual Some of the equipment described in the Drivers Manual is not standard Your authorised Porsche dealer will be pleased to advise you on later installation possibilities Should your Porsche be fitted with equipment not des cribed in this handbook please refer to your Porsche dealer Because of different legal requirements in individual countries the ...

Page 3: ...driver Fairness on the road con sideration ability and a technical interest would be characteristic of you We have therefore set out in this manual all the information you need to know to drive your Porsche We wish you many miles of safe and pleasurable driving in your ...

Page 4: ......

Page 5: ...Cooling system 63 D E Databank 6 103 Dimensions 93 Dip parklight headlight flasher switch 29 Dipstick 60 Dipswitch 29 Direction indicator switch 29 Door guard light 11 Doors 10 Door locking central 10 11 Door locks 53 Electrical system 74 83 Emergency starting 85 Engine number 7 F Fan belt 39 87 Filling capacities 91 Fog lights front and rear 22 Footbrake 18 52 Footwell light 10 12 Front seats 13 ...

Page 6: ...r view mirror 15 Relays 74 Revolution counter 23 Roof rack loading 52 89 Running in tips 52 s Safety belts 16 17 Seats 13 14 Sliding sunroof 42 43 Snow chains 54 89 Spare wheel 70 Sparking plugs 87 Spot and stain removal 56 Starter motor 20 Starting the engine 21 Steering 67 Steering lock 20 21 Steering wheel adjustment 13 Sun visors 44 Τ Tachometer 25 Technical data 87 99 Tempostat 30 Tool tray 5...

Page 7: ...n ordering spare parts or submitting inquiries always quote chassis and engine numbers to ensure correct and prompt ser vice The data bank is fixed on the floor in the rear of the luggage compartment next to the spare wheel well The identification plate is riveted on the front cross member behind the bonnet lock 6 ...

Page 8: ...on the top of the right wheel arch in the engine compart ment and is visible through a cut out in the wing flansch The engine number is stamped on the front reinforcing rib in the top half of the crank case The paint number plate is fixed on the left hand door lock pillar 7 ...

Page 9: ... Vehicles with a rear seat storage compart ment receive two additional keys for the compartment lock One master key has a built in flash light The light is on as long as the contact button is de pressed When the light begins to fade the battery must be replaced with one of the same type A discharged battery could leak and dam age your clothing By virtue of the new format for the master and auxilia...

Page 10: ... If the drivers or passenger side door engine compartment hood or the luggage compartment door is opened while the alarm is activated a specially protected siren will sound for about 30 seconds The engine cannot be started In the interest of safety the S Key should ne ver be lent out to other persons For this rea son the fuel filter cap can only be locked with the auxiliary key This key can be use...

Page 11: ...rawn when leaving the vehicle if only for a short period The footwell lights D mounted forward in the lower part of the door trimcone on with the switch in the appropriate position when the door or the luggage compartment door is opened Each light can also be switched on or off individually by means of the inte grated switch Central door locking By means of the central door locking system both doo...

Page 12: ...key is turned to pos 1 This cut out of the electrical function prevents the doors from locking in the case of a short circuit or if deformed in an accident Door guard lights Central locking is only possible when both driver and passenger doors are closed If one door is locked before the other is closed it will automatically unlock when the other door is closed When the ignition is switched off but...

Page 13: ...ermanently c light comes on only when a door or lug gage compartment door is opened The footwell lights mounted forward in the lower part of the door trim have following switch positions a light comes on only when a door or lug gage compartment door is opened b light switched off permanently c light switched on permanently The luggage compartment light in the rear lid has the following switch posi...

Page 14: ...chet on the seat slides Never try to adjust the seat whilst driving as a sudden change of seat position could cause you to lose control of the vehicle 2 Grip the top half of the steering wheel Then set the backrest angle so that with fully outstretched arms your shoulders still contact the backrest Then check the steering wheel position and view of the instruments For optimum legroom and view of t...

Page 15: ...e out side flanks of the seats To prevent damage to the belt lock and to the seat cover care should be taken that the belt lock is pushed outwards so that it can not jam between the seat and seat backrest when the seat is moved forward Manual operation of the seat is also possible in case of possible electrical malfunction To do this pull the locking lever at the front of the seat upwards and slid...

Page 16: ...he mirror is adjusted to the anti dazzle position by pressing the lever underneath it The electrically adjustable wing mirrors can be set with the switch in the driver s door The passenger door wing mirror is adjust able by the same switch by pressing the rocker switch beside the adjuster switch into the appropriate position When necessary the wing mirrors can also be adjusted by hand The wing mir...

Page 17: ...o people Loose clothing affects the fit of the seat belt You should therefore take your coat off be cause a correct seating position and free dom of movement are important for comfort and safety Do not run the belt over fragile objects in your pockets e g spectacles pens or a pipe etc as these could represent additi onal hazards Please remember when driving abroad that in some countries the wearin...

Page 18: ... is any load ing on the belt or not Make sure that the belts are always fully re tracted when not in use This will prevent them becoming dirty and avoid unneces sary damage to the belts themselves You should check your seat belts regularly for signs of damage to the webbing Make sure that the locks and anchorage points are in good condition If the belts have been subjected to high loads or stretch...

Page 19: ...rvo unit or when the vehicle is being towed with the engine turned off the braking effort required is considerably increased as soon as the vacuum reservoir is used up With properly bled and functioning brakes the free movement at the brake pedal will remain constant This free travel before the brakes start to operate can be 20 mm 0 8 ins Should this free travel suddenly become bigger either air h...

Page 20: ...light 10 R H Combination instrument 11 Hazard light switch 12 Heated rear window switch 13 Ignition switch and Steering column lock 14 Instrument panel illumination dimmer control 15 Trip meter reset only on vehicles with rear fog light 16 Turn indicator Dipswitch Parking light and Headlamp flasher lever 17 Locking lever for steering column and instrument height adjustment 18 Tempostat 19 Wiper wa...

Page 21: ...l purposes 3 By turning the key to the right the starter motor is operated As soon as the engine fires release the key It will spring back to position 2 With the engine running the central warning light and the other warning lights should go out except the brake warning light which will go out after the first application of the brakes see central warning unit During the operation of the starter mo...

Page 22: ...the correct fuel air mixture required for starting Therefore special starting instructions are not necessary With a hot engine we recommend that you fully operate the accelerator when start ing Do not allow the engine to warm up in neutral but drive off immediately while avoiding high rpm and full throttle until the engine has reached its normal operating temperature By cold weather it is recommen...

Page 23: ...lling the use of fog lights Light switch Switch in position 1 Sidelights Switch in position 2 Headlights In both of the switch positions the following are also on Backlights Number plate lights and instrument illumination With the ignition tion turned on and the switch in position 2 the headlights are elevated Instrument illumination When the headlights are switched on the in strument illumination...

Page 24: ...e scale of the instrument is a visible warning of the maximum permitt ed revolutions per minute Should you inad vertantly during acceleration exceed these revolutions a built in governor in the distri butor cuts out the ignition current The upper odometer registers the total mile age driven The trip odometer can be set back to zero when the ignition is on by press ing the button under or in the le...

Page 25: ...gine is being highly stressed that the needle tends towards the red range but it should return to the middle when the engine loading is reduced Red Range Warning If the needle goes into the red range it means that the engine is being overloaded by high outside temperatures and the warning light will come on Warning light If the warning light comes on check that the cooling fan is working If the fa...

Page 26: ...about 2 liters 1 75 Imp qts of water remain COOLANT The coolant warning lamp lights up as soon as the coolant level in the expansion tank drops below the minimum permissible level The warning lamp may come on when the car is started and then go out again after a short time This is due to the volume of the coolant increasing as it warms up and thus exceeding the minimum permissible coolant level It...

Page 27: ...t The warning light comes on when the ignition is turned on and goes out as soon as the cor rect operating pressure is reached Should the light come on during driving this indicates that the oil pressure is not correct In this case stop immediately If the oil level is correct the next workshop should be called in to rectify the fault Voltmeter The voltmeter shows the overall condition of the charg...

Page 28: ...should be kept to a minimum Warning Lights see also Central Warning Unit BRAKE FLUID The warning light blinks when the fluid level drops below the allowable minimum BRAKE PAD The light comes on when brake pads are worn down to the allowable minimum BRAKE PR The light blinks when one brake circuit fails PARK BRAKE The light comes on when the handbrake is on or not fully released ENGINE OIL With the...

Page 29: ...ined twist push pull switch in the instrument panel The switch is illuminated when the heating is on Switch in the pushed in position 0 Full heating for de icing After approx 15 minutes the heating turns off automati cally 1 Full heating for de icing After approx 15 minutes a relay switches the heating down to demisting power 28 Switch in pulled out position 0 Rear screen heating off 1 Rear screen...

Page 30: ...gnition is on With the ignition key removed the lever in the up position turns the right hand parking lights on and in the down position the left hand park ing lights Parking lights are the front and rear sidelights of the respective side Main and dipped beam With the light switch in position 2 main beam is selected by pushing the lever towards the instrument panel and dipped beam by pulling the l...

Page 31: ...n letting the lever free This speed is now fed in to the unit and registered If the registered speed is too high pull the control lever towards the steering wheel position 3 or brake this interrupts the Tem postat control until the required lower speed is attained and then move the lever forewards to position 1 Again this new speed is registered and maintained Note When you depress the clutch the ...

Page 32: ... are on Refer to paragraph on headlamp washers The windscreen should be sufficiently wet before the wipers are actuated to avoid scratching it The wiper blades should be checked regularly and replaced at least once a year Concentrated washer system With the concentrated washer system even dirt embedded in silicon based polishes can be removed from the screen A short press on the switch Β under the...

Page 33: ...ing 4 Cancelling button for Auto Warn unit 5 Center vent 6 Safety belt warning light 7 Glove compartment lock 8 First aid box holder 9 Wing mirror adjuster 10 Bonnet lock 11 Horn 12 Power window switch 13 Sunroof switch 14 Rear screen wiper switch 15 Selector lever 16 Clock ...

Page 34: ...hat are essential for driving and operational safety are 32 Priority 1 The central warning light flashes together with the individual warning light The following functions have priority 1 Brake circuit failure Brake fluid level Oil pressure Oil level If a malfunction is indicated here the vehicle must be stopped and turned off immedia tely The fault must be rectified Functions that do not require ...

Page 35: ...plication The remaining lights go out when the engine is started By pressing the button arrow in the middle of the console the central warning light can be turned off in the case of priority 2 mal functions It cannot be turned off in priority 1 cases because immediate action is neces sary to rectify the fault When the handbrake is applied or not fully released the central warning light cannot be t...

Page 36: ...am can be altered by tipping the horizontal bars in the grill The lever in the grill adjusts the lateral air flow Central air inlet grills The central air inlet grills provide ventilation for the interior If the air flow should become uncomfortable the central air inlet grills can be closed by means of a lever mounted at the side of the grills In the defrost position the grills are closed automati...

Page 37: ...ng up of the side windows air inlet grills are built into the door trim panels The direction of the air stream can be adjust ed by the grills and the airflow can be regu lated by a lever A Air inlet grill closed B Air inlet grill open 35 ...

Page 38: ...vents fully open When the air conditioner is switched on ad ditional cooled air is fed via a vent to the glo ve compartment If the vehicle has stood for a long time in di rect sunlight it is recommended that the air conditioning be turned on with the windows open to provide through ventilation The air conditioning must be operated for a short period at least once a month This is especially importa...

Page 39: ...ble Temperature control lever for adjusting the required interior temperature with tempera ture scale The adjusted temperature is equal to the temperature in the middle of the vehicle interior As heat output is dependent on the coolant temperature the full heating capacity is deli vered only after the engine has reached nor mal operating temperature Programme control lever to enable the au tomatic...

Page 40: ...frosting of the iced or fogged up front screen and side windows With this programme the maximum heating effect and high est blower fan speed are switched on automatically and the full air flow is directed to the windscreen and the side vents The center vent is closed automatically To prevent uncomfortable draughts in posi tions the auto matic control first comes into operation at cool ant temperat...

Page 41: ...rectly tensioned when it can be depressed approx 5 mm using thumb pres sure between both V belt pulleys Checking cooling medium level Due to the fact that the system loses cool ant it is necessary to check the coolant level at the reservoir at least once a year Should air bubbles be visible at the inspec tion glass of the reservoir arrow for an extended period with the air conditioner switched on ...

Page 42: ...he white dot must be in line with 0 see also Headlight adjust ment The beam setting must be corrected as shown in the table when the vehicle load is increased Turning the knob clockwise rai ses the beams and vice versa The correc tion should be checked by observing the dipped beam cut off e g on the back of the vehicle driving ahead of you Loudspeaker balance control The volume of the loudspeakers...

Page 43: ...unted in the middle con sole in front of the gear lever To empty the ashtray pull the tray upwards out of the housing Cigarette lighter The element is heated by pushing the light er in When the correct temperature is reached the lighter springs out to the normal position With the lighter out the socket can be used for electrical auxiliaries such as compressor or handlamp with a consumption of up t...

Page 44: ...end that the sliding sun roof be operated at speeds in excess of 100 km h The force required to overcome the resistance of the air pressure at higher speeds can cause damage to the sliding roof Manual Operation A hand crank is provided for manual opera tion in the event of an electrical failure To do this the cover of the sunroof drive must be removed Pull the cover down at the rear and unhook the...

Page 45: ... Rear screen wiper The rear screen wiper is switched on by a press switch in the middle console To pre vent the rear screen from becoming scratched it should be sufficiently wet before operating the wiper The wiper motor is mounted in the bodywork of the vehicle and not in the luggage com partment door and drives the wiper with a clutch that disengages and engages auto matically when opening or cl...

Page 46: ...ont of the door windows to prevent dazzle from the sun The rear sun visors can be swung back to the rear window Make up mirror The make up mirror can be found on the rear side of the passengers sun visor On vehic les with leather interior a lighted make up mirror is installed in the roof lining behind the passengers sun visor except on vehicles with sun roof By pressing the button the mirror swing...

Page 47: ... lock Never drive with the luggage compartment door ajar or open as then exhaust fumes could enter the vehicle Engine compartment Hood top To release the hood Pull the lever on the left hand cowl side panel underneath the instrument panel To open the hood Lift the hood top slightly and release the safety catch by pressing the lever upwards Make sure the windscreen wipers are not tilted forward Whe...

Page 48: ... diagram on the right Reverse should only be selected after the vehicle has come to a complete stillstand To shift from 1 st into reverse gear the gearshift lever must first be moved into neutral position between 4th and 5th gear With the ignition on the reversing lights come on automatically when reverse gear is selected Permissible rpm before shifting down 5 4 gear 4800 rpm 4 3 gear 4800 rpm 3 2...

Page 49: ...e footbrake operat ed The brakes should only be released when you wish to drive away as the vehicle will creep as soon as gear is selected Do not accelerate while selecting a gear At speeds in excess of 50 km h 30 mph Ν should not be selected Should however Ν be selected inadvertantly during driving the accelerator should be released to allow the engine to attain tick over revolutions before the g...

Page 50: ... select for mountainous terrain as well as for long uphill or downhill stretches The engine s power is better uti lised and also the retardation affect of the engine is greater The vehicle pulls away in 1st gear and changes automatically into 2nd gear 3rd gear is locked out During driving this position can be selected even with the accelerator depressed However as 2nd gear is then immediately enga...

Page 51: ...djusted with the brakes and very little acceleration is requir ed Selector position 2 For inclines up or down select position 1 in good time to attain maximum engine power or retardation and thereby reduce the load ing on the brakes For mountainous terrain only use selector position 1 Being towed When the engine is not running the oil pump for the automatic gearbox is not driven and therefore the ...

Page 52: ...r pedal position The shift points vary between the part throttle and full throttle positions A When you drive with a gentle pressure on the accelerator pedal the transmission shifts from 1 st to 2nd gear approx 30 km h 20 mile h and into 3rd gear approx 45 km h 28 mile h in order to preserve fuel and reduce noise levels B During full throttle acceleration or kick down the transmission holds 1st an...

Page 53: ... at full throttle the trans mission shifts down from 3rd to 2nd gear at approx 80 km h 50 mile h to provide better acceleration or hill climbing ability on gradients and then shifts to 1st gear at approx 50 km h 30 mile h C If you press the accelerator pedal down beyond the pressure point to actuate the kick down switch the down shifts take place at higher road speeds to provide ma ximum accelerat...

Page 54: ...being overrevved during acceleration Bedding in new brake pads New disc pads have to bed in and do not therefore have the full braking ability in the beginning To compensate for this reduced braking ability for approx the first 200 km 120 miles a little more pedal pressure is necessary This also applies after having the disc pads renewed at a later date Please note New tyres do not posess their fu...

Page 55: ...le should not be driven without anti freeze at temperatures below freezing point The all season cooling fluid in the cooling system put in by the manufacturer offers protection down to 30 C Northerly lands 40 C Nevertheless it is advisable to have the cool ing fluid checked to make sure that the ne cessary protection is afforded at the onset of colder weather When necessary top up with antifreeze ...

Page 56: ...in different lands gov erning maximum speeds with these tyres Snow chains can only be mounted on the driving wheels and only the fine link chains recommended by Porsche for the normal series tyres should be used This ensures that the clearance between the wheel and wheelhouse is maintained However note the chain manufacturers recommendations Your authorized dealer will be pleased to advise you in ...

Page 57: ... windows The moisture which gets on to the brakes during a car wash can reduce braking effi ciency or make the brakes pull unevenly Al ways test the brakes a few times after wash ing your car to make sure they are properly dried off Dust should never be wiped off the car with a dry cloth since dust particles are abrasive and could dull and damage the surface fin ish Preservation The paintwork cont...

Page 58: ... proofing of the floor pa nels and components Always apply a fresh coating of suitable preservative to unprotected areas after cleaning the underside of the body or the engine or carrying out repairs to underbody components Your Porsche dealer is familiar with the bo dyseal treatment procedures and has the necessary equipment for applying factory approved materials We recommend that you entrust hi...

Page 59: ... brittle or crack if they are not treated occasionally with glycerine or talcum powder Aluminum wheels Pitting can occur if metallic particles which cause contact corrosion e g brass or cop per in brake dust are allow to remain on the aluminum for too long Regular care is necessary in order to retain the attractive surface finish The wheels should be washed down with a sponge or wash brush about e...

Page 60: ...to the attractiveness of the real leather product Fabric upholstery carpets Use only a vacuum cleaner or a medium stiff brush Remove stains and spots with a luke warm soap and water solution or a reputable spot remover If it becomes necessary to clean the belts you can use any mild washing agent Allow the belts to dry but avoid direct sunlight If unsuitable cleaners are used or any attempt is made...

Page 61: ...ow how to dispose of the old oil Under no circumstances should it be tipped into the drainage system over the ground or into the waterways If you cannot dispose of the oil properly then let your workshop do the oil change Tool kit The tool kit is in the tray fitted to the back panel of the vehicle To remove the panel covering the tool kit both knobs must be turned through 90 It contains all the to...

Page 62: ...ded to ensure that the level does not fall below this mark before oil is checked again When the engine is heavily stressed as in summer on the motorways with con stant high speeds or in the mountains the oil level should be maintained near the upper dipstick mark as the oil has more cool ing to do Checking oil level 1 Pull dipstick out and wipe with clean cloth 2 Push the dipstick fully in and the...

Page 63: ...crew the filter element up until it contacts the sealing ring 4 Screw the filter element a further half a turn 5 Clean the drain plug and replace it using a new sealing ring 6 Pour the new oil in check the level and re place filler cap 7 Run the engine and check for leaks 8 Run the motor and check for leaks Oil level in gearbox To check the oil level in the gearbox the plug B must be wiped clean a...

Page 64: ... the level the vehicle must be standing level The selector must be in posi tion Ν and the engine running at tick over The difference between the two marks is ca 0 2 liter 1 2 pint Should oil leakage be visible the next work shop should be called in to rectify the fault Oil change When changing the oil ca 5 5 liters 1 25 Imp galls are required to fill the gearbox and torque convertor The filter mus...

Page 65: ...peed up to approx 3500 rpm The fan speed does not exceed this value even at higher engine speeds Topping up the coolant There must always be some coolant in the ex pansion tank Since the expansion tank is transparent there is no need to remove the cap to check the coolant level When cold approx 20 C the coolant should be up to the level of the joint in the expansion tank When the engine is warm th...

Page 66: ...dealer Draining and refilling the cooling system 1 With the engine cool set the heating le ver to warm and remove the cap from the expansion tank On cars with automatic air conditioning set temperature slide control to 30 C 86 F and switch on the ignition 2 Remove the drain plug from the radiator and catch the fluid 3 Remove the two drain screws located left and right in the engine and catch the f...

Page 67: ...e The reservoir is transparent so that the fluid level can be controlled from the outside The level should always be between the max and min marks A nominal dropping of the fluid level will oc cur during the use of the vehicle as the brake disc pads wear and automatically adjust This is quite normal Should the fluid level drop appreciably the central warning light will come on See cen Left hand dr...

Page 68: ...to stop the fuel from overflowing when it warms up This area should not be filled when filling up with fuel After filling up the filler cap should be screw ed on until it is felt to be fully home When refuelling the engine should always be turned off The fuel tank holds approx 86 liters 19 galls When the central warning light and the fuel tank warning light in the instrument console come on you sh...

Page 69: ... or when the hydraulic steering mechanism is faulty there is no power assist action present In this case a greater effort is required to steer the vehicle Container for hydraulic fluid The reservoir is mounted on the left hand inner wheelhouse in the engine compart ment To check fluid level 1 Remove cap from reservoir 2 With the engine running the fluid level should be up to the mark in the reserv...

Page 70: ...ely dangerous 4 Winter tyres Do not exceed the maximum speed limit e g 160 km h 100 m p h for M S Q radial ply tyres An appropriate sticker must be affixed in the driver s field of vision if the tyre s maximum speed is less than the car s maximum speed 5 Tread The risk of aquaplaning increases as the tread depth decreases Appearance of the wear indicators webs in tread grooves 1 6 mm high should b...

Page 71: ...0 200 km 60 120 miles Never use dif ferent types of tyre Have tyres fitted by a specialist For this reason you should only drive over curbs slowly and preferably at right angles Take car when parking at or on curbs Tire designations Due to new speed and load ratings for radial tires new designations have come into force for winter tires for your car 9 Curbs Hard impact against curbs traffic island...

Page 72: ...le and reduced tyre wear This is especially so for vehicles with limited slip differentials The collapsible tyre expands through warm ing up as it is used When deflating the tyre completely remove the valve core it requi res several hours to cool down and thereby assume it s original form before it can be replaced in the well in the luggage compart ment The collapsible tyre can be neither repaired...

Page 73: ...o the lock and slip the sleeve on to the wheel nut Before removing the key check whether the sleeve is up against the shoulder of the wheel nut When removing the key press the sleeve against the wheel nut Fit the plastic cap It is not usually necessary to re balance the wheels Puncture When a tyre is punctured drive as far over to the offside of the road as possible and if necessary turn the hazar...

Page 74: ... few minutes 7 Check tyre pressure with pressure gauge 8 Let the car down from the jack and remove jack Tighten the wheelscrews Black arrows Jacking points for vehicle jack White arrows Lifting points for inspection platform or workshop jack Order of working 1 Loosen front wheelscrews slightly 2 Insert the car jack with it tilted slightly away from the bodywork in the respec tive jacking point bla...

Page 75: ...een the underneath of the vehicle and the lifting platform The car may only be lifted from the points shown in the pictures Front The normal jacking point Rear Bearing bracket for back axle control arms A trolley jack may only be used at the same 4 points as for the lifting platform and also under the middle of the back axle To avoid damaging these lifting points a wooden block or a rubber pad sho...

Page 76: ...esult Should a fuse blow several times an author ised workshop should be consulted At the top edge of the fuse box is space for spare fuses It is advisable to carry spare fuses of the different ratings in the vehicle Fitted underneath the fuses are relays for various electrical switching functions Changing of defect relays should be left to an authorised workshop Relay function l ll Double relay f...

Page 77: ...r 16 16 Aux cooling fan for air conditioning 25 17 Fresh air fan 25 18 Rear screen heating 25 19 Headlight motor 16 20 Headlight wash pump 16 21 Window regulators central door locking 25 22 Fuel pump 16 23 Int lighting clock 8 24 Main beam left 8 25 Main beam right 8 26 Dipped beam left 8 27 Dipped beam right 8 28 Side marker light left 8 29 Side marker light right 8 30 Blinker left front 8 31 Bli...

Page 78: ...ches the full mark If the battery has to be topped up use only distilled water not acid During the summer months and in warmer climates the battery level should be checked more often Checking the specific gravity of the acid In a battery in good condition the state of charge of the battery can be determined by the specific gravity of the acid which is mea sured in Kg dm3 determined with the use of...

Page 79: ...arry spare bulbs with you Only use soapy water to clean plastic light lenses never a chemical detergent Headlights 1 Elevate the headlights by turning them on and then turn the ignition off Remove the screws from the headlight housing and then the housing itself 2 Remove the spring holding the bulb cover and remove the bulb cover 3 Pull back the spring holding the bulb and remove bulb 4 When fitti...

Page 80: ...he lamp and the fixing screws Check that the lamp functions and that it is properly adjusted Front side light Front blinker light The front side light is built into the outer auxi liary driving lamp 1 Remove complete lamp and then the sidelight bulbholder 2 Refit new bulb and replace lamp 3 Check function of light 1 Remove screws holding the lens and remove lens 2 Remove bulb from bulbholder and f...

Page 81: ...sing light E Rear fog light 2 Remove old bulb and replace with new 1 Remove both screws and lamp housing 3 Replace lens and tighten up diagonally 2 Replace defective bulb and refit housing opposed screws gradually ensuring that it sits properly on the gasket 4 Check that the light functions 3 Check that the light functions 79 ...

Page 82: ...ive bulb from the spring clips and refit new bulb 3 Carefully press the light first one side then the other into the headlining cut out Check the function of the light Ashtray lights 1 Remove the two screws in the ashtray housing and pull the ashtray upwards and out Slide the bulbholder with bulb out of the housing 2 Pull out defective bulb and replace with new Slide bulbholder back into the hous ...

Page 83: ...Bulb table Function Wattage Specification Format Socket ...

Page 84: ...d to the manufacturers specifi cations With the vehicle in this condition it must be rolled several meters to allow the road springs to settle before starting to adjust the lights The adjuster knob for the interior headlight setting must be in the neutral position i e the white mark on the knob directly over the mark O on the rosette see headlight beam regulator To adjust the headlights the screws...

Page 85: ...ered the knob on the driveshaft of the elevating motor can be manually turn ed to raise or lower the headlights The elevating system is so designed that to raise or lower the headlights only one turn to the left with the knob is necessary Do not try to turn the elevating motor knob when the headlights are functioning nor mally from the light switch as they should because of the danger of being inj...

Page 86: ... vehicle being towed should have the ignition turned on so that the brake and direction indicator lights function and that the steer ing lock is released Remember when the engine is not running that no servo assistance is given and more power is required by braking and steering For towing vehicles fitted with automatic transmission please adhere to the regula tions to be found in the sections Auto...

Page 87: ...when the positive pole is connected 5 The discharged battery must be correctly connected to the vehicle electrical sys tem 6 Run the engine of the vehicle supplying the current 7 Connect the auxiliary battery leads in the following order First fix one end of the lead to the clamp on the right at the front of the en gine compartment arrowed Then con nect the other end of the lead to the terminal of...

Page 88: ... consumption approx 31 2 pts 1000 miles Max permissible engine speed 6500 4 governor built into distributor Spark plugs Bosch W 7 D W175 Τ 30 Beru 14 7 D 175 14 3 A Spark plug gap 0 7 mm 28 ins Battery 12 V 88 Ah Alternator 1260 W 90 A AC Firing order 1 3 7 2 6 5 4 8 Ignition timing 26 before T D C at 3000 r p m with distributor vacuum disconnected 23 before T D C at 3000 r p m with distributor va...

Page 89: ...der block and head Valve operation Camshaft drive Crankshaft Fuel supply Fuel injection system 8 cylinders in V configuration 4 stroke otto cycle water cooled pressure fed from sump Light metal alloy 2 over head camshafts Toothed V belt Forged electric pump K Jetronic 88 ...

Page 90: ... between wheels at 20 steering lock 1 20 Vehicle unladen as specified by DIN vehicle empty but with a full tank Weights Unladen weight as spec by DIN 1450kg 3190lbs up to 1540 kg including ectras the loading capacity is reduced Max permissible weight 1870 kg 4114 lbs accordingly Max axle load front 900 kg 1980 lbs Max axle load rear 1100 kg 2310 lbs Permissible trailer weight unbraked 750 kg 1650 ...

Page 91: ...r Automatic gearbox 245 km h 152 m p h 7 2 secs 26 8 sees Hill climbing performance Manual gearbox 1st gear approx 70 2nd gear approx 44 3rd gear approx 30 4th gear approx 19 5th gear approx 12 Short duration performance calculated performances by DIN rating and half loaded vehicle Automatic gearbox approx approx approx 4 3 2 2 13 6 3 3 6 2 4 Brake system Hydraulic dual circuit system each circuit...

Page 92: ...of system ca 6 liters 1 1 3 Imp galls After oil change 5 5 liters 1 1 4 Imp galls ATF Dexron Differential of automatic transmission ca 2 liters hypoid gear oil SAE 90 of API classification GL 5 Mil L 2105 B Powersteering ca 0 7 liter hydraulic fluid ATF Dexron Fuel tank ca 86 liters incl 8 liters reserve ca 19 Imp galls incl 7 Imp qts reserve Use premium petrol 98 octane RON Brake fluid reservoir ...

Page 93: ...oils are not available and the car is being used under normal conditions To pre vent damage the oil must be changed as re quired when temperatures change consider ably Multigrade Oils The oil change intervals given in the service schedule apply when multigrade oils are used For all season use only the multigrade oils indicated the table opposite may be used in accordance with prevailing air temper...

Page 94: ...500 mm 98 42 ins Front track 1552 mm 61 10 ins Rear track 1529 mm 60 20 ins Overall length 4447 mm 175 07 ins Overall width 1836 mm 72 28 ins Height unladen 1282 mm 51 47 ins Ground clearance 120 mm 4 72 ins Turning circle approx 11 5 m 37 ft 7 ins 93 ...

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Page 101: ...ce organisation is at your disposal What is the purpose of the green cards By change of address or change of ownership you are requested to completely fill out the customer card and send it to us Your new address should also be simultaneously entered in the next page It is important for the customer service workshop that the correct data is on the card thereby facilitating the processing of your r...

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Page 103: ...e changed every 2 years 500 2000 km then at and every 300 1200 miles 20000 km 12000 miles Renew sparking plugs Check cooling fluid level frost protection and corrosion resistance cooling and heater systems Check for leaks and exterior blocking of the radiator Check accelerator cable for smooth action grease return spring Grease the headlight operating rods Check brake fluid level and thickness of ...

Page 104: ...in steering servo unit and check unit for leaks Exhaust system Check flanges for proper seating Check for leaks in exhaust system Check play in front wheel bearings Fuel system Renew fuel filter and check fuel lines for leaks Check tyre pressure Check ignition timing Check carburation with exhaust gas analyzer Check battery acid level Check headlight adjustment and function of blinker brake and ba...

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Page 106: ... rust holes which occur primarily as a result of traffic accident or mechanical damage to the bodywork paintwork or protective coatings All body repairs must be performed in accor dance with Porsche s specific instructions regarding bodywork paintwork corrosion proofing and preservation 4 Prior to starting repair work under this gua rantee a person authorized by Porsche must inspect the vehicle 5 ...

Page 107: ...oper car and a complete record showing that all the specified servicing has been carried out by approved workshops are the prerequisites for up holding the validity of guarantee claims in respect of dam age to parts subject to maintenance work or servicing Please note that all matters relating to your vehicle can be processed quickly and correctly only if you quote the engine and chassis serial nu...

Page 108: ...ters 19 gallons of which approx 8 liters 7 Imp qts are reserve Engine Compartment Hood To release the hood pull the lever on the left hand side under the instrument panel Release the safety catch by pressing the lever upwards Battery The battery is mounted under the rear of the vehicle and is at tainable through a cover in the spare wheel well Check that the battery acid in each individual cell is...

Page 109: ... Transmission For gearboxes with torque converter only use the oils recom mended in the table Filling quantities Filling capacity approx 5 5 liter Caution Never overfill check the oil level in the reservoir The dif ference between the two marks is approx 0 2 liter The differential holds approx 2 liter hypoid gear oil SAE 90 of API classification GL 5 Mil L 2105 B 112 Left hand drive Right hand dri...

Page 110: ...ca tion Jacking Points Black arrow Jacking points for car jack White arrow Jacking points for hoists and workshop jacks Spare Wheel In the luggage compartment under a cover plate Car Jack In the spare wheel well in luggage compartment Car jack is only to be used for changing wheels Tool Kit In the tool tray fitted in the back panel of the vehicle 113 ...

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Porsche 928S 1983, Driver Manual

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