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Porsche 928 1980, Owner'S Manual

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Porsche 928 1980 Owner'S Manual Download Page 77

Technical Data 

Engine Μ 28.13/14 

Number of cylinders 
Bore 
Stroke 
Displacement 
Compression ratio 
SAE net-horsepower SAE J 245 
SAE net-torque SAE J 245 
Fuel octane rating 
Max. permissible 
Sparkplugs 

Spark plug gap 
Battery capacity 
Alternator output 

Firing order 
Ignition timing 
Ignition 
Fan belts 

Valve clearance 

8 
3.74 in/95.0 mm 
3.11 in/78.9 mm 
272.97 cu.in/4474  c m

3 

9:1 
220 hp/1165 kW at 5500 rpm 
265 ft.lb/348 Nm at 4000 rpm 

Unleaded fuel only

 91 RON (87 CLC rating on fuel pumps in U.S.A.) 

6300 rpm 
Bosch WR 8 DS; Beru RS 35 
0.028-0.032 in/0.7 + 0.1 mm 
12 Volts, 66 Ah; optional 88 Ah 

1260W/90AAC 

1 - 3 - 7 - 2 - 6 - 5 - 4 - 8 

23° before TDC at 3000 rpm with distributor vacuum disconnected 
Transistorized ignition system with breakerless distributor 
Alternator 9.5 x 875 LA; cooling fan and air pump 12.5 x 1050 LA-FD toothed belt; 
Air conditioning pump 12.5 χ 1075 LA. Servo pump 12.5 x 975 LA 
Self-adjusting hydraulically operated 

76 

Summary of Contents for 928 1980

Page 1: ......

Page 2: ...eserved Printed in Germany Order No W 42 600 272 1 english Order No W 42 600 272 101 french Your car may have all or some of the components de scribed in this manual Should you find explanations of a...

Page 3: ...your Service Adviser with the information he needs and enables him to record each service The Owner s Manual and the War ranty Maintenance record be long with the car They should be left in the vehic...

Page 4: ...r...

Page 5: ...e spare tire 59 Coolant temperature gauge 23 Cooling system 53 54 81 Corrosion prevention 44 Engine compartment 48 hood release 38 number 6 oil 42 44 50 51 80 specifications 76 80 F Fan radiator 23 Fa...

Page 6: ...47 Power antenna 37 Power steering fluid 57 Powerwindows 10 17 Pressure tires 58 78 R Radiatorfan 23 48 53 Radio 37 Rear seats 12 Rear window defogger defroster 26 Rear window wiper switch 34 Rear vie...

Page 7: ...d prompt service Vehicle identification number In accordance with Federal Safety Regula tions the vehicle identification number of your car is located on the left windshield post and can be seen from...

Page 8: ...l as the Gross Vehicle Weight Rating and the Gross Axle Weight Rating Dear Porsche Owner A lot has gone into the manufacture of your Porsche including advanced engineering techniques rigid quality con...

Page 9: ...r rors 4 Use safety belts 5 Check operation of foot and parking brakes 6 Check all warning and indicator lights when starting the engine 7 Do not leave car idling unattended 8 Lock doors from inside e...

Page 10: ...u yourself will not be able to get replacement keys cut unless ordered from the manufacturer Should you need new keys you must give the key number This number is noted on the plastic tag on the keys K...

Page 11: ...front seat passenger door is locked with the black key Opening the driver or front seat passenger door by any other means when the alarm system is activated will produce an intermittent high noise for...

Page 12: ...electric circuit of the door locking mechanism is interrupted so that each door can be un locked or locked from the inside only by manually raising or depressing locking knob A This safety feature pre...

Page 13: ...and at the same time tilt the backrest forward When the backrest is tilted back the lock will engage automatically Backrest adjustment Turn handwheel on the outboard side of the seat arrows with your...

Page 14: ...de forward automatically when the backrest is folded down with ignition on or off The seat will remain in a position that permits comfortable entry to the front when the backrest is tilted back to its...

Page 15: ...s loc ated in both combination instruments will light up for a bulb check 3 The starter is operated by turning the ignition key to the right As soon as the engine starts release the key It will spring...

Page 16: ...uld not be in its most protective position and may therefore increase the possibility of injury in a collision For maximum safety and protection we recommend that small children travel in the rear sea...

Page 17: ...nd up The belt of the unoccupied passenger seat should always be fully wound up with belt tongue in stowed position This reduces the possibility of the belt tongue becoming a striking object in case o...

Page 18: ...ing and air conditioning controls 5 Reset button for central warning light 6 Center air vents 7 Safety belt warning light 8 Glove compartment lock 9 Side view mirror adjuster 10 Front hood release lev...

Page 19: ...nt 11 Emergency flasher switch 12 Rear window defogger switch 13 Ignition starter switch with steering lock 14 Instrument illumination control 15 Turn signal headlight dimmer flasher parking light lev...

Page 20: ...The turn signal lever turns off automatically when the steering wheel is straightened out after completing a turn If a turn signal bulb becomes defective the indicator light flashes at about twice the...

Page 21: ...d wiper speed position 6 push lever toward instrument cluster to operate headlight washer The headlight washer system operates only with the headlights on and raised Before operating the wipers the wi...

Page 22: ...you take your foot off the clutch pedal Braking and stopping whenever you apply the brake or come to a stop the automatic speed control is disengaged Move the lever down arrow 2 and the preset speed w...

Page 23: ...e driven and cannot be turned back The trip odometer in the lower part of the instrument can be turned back to zero by depressing the odometer reset switch on the lower left side of the instrument clu...

Page 24: ...ith engine turned off until the coolant temperature has dropped to 87 C 189 F If the electric fan does not work check for a blown fuse or contact nearest workshop If the mechanical fan is not working...

Page 25: ...r itself In this case keep electrical consumption at a minimum and drive to the nearest workshop The central warning light and the warning lights in the combination instrument light up for a bulb chec...

Page 26: ...ine has been started by tow ing or pushing the warning lights will not go out The ignition must be turned off and the engine restarted The control function of the central warning light system is divid...

Page 27: ...element is actuated by a push button rotary switch The switch is illuminated when the heating element is energized To defog switch not depressed 0 heating element off 1 heating element on The heating...

Page 28: ...side mirror with remote mirror for the passenger side can be ad Inside day night mirror control justed with the same control switch by pressing the rocker switch beside the ad You can adjust the day n...

Page 29: ...s located under the glove compartment Sun visors The front sun visors can be moved to the sides as well as forward arrows The rear sun visors can be moved back ward Vanity mirror The vanity mirror is...

Page 30: ...mpressor to inflate the collapsible emergency spare tire The maximum rating of such equipment should not exceed 120 Watt 12 Volt Do not damage the socket by trying to insert plugs of the wrong design...

Page 31: ...for wind shield 2 defogging defrosting vents for side win dows 3 air vents for passenger compartment 4 air outlet nozzles for foot wells Each individual vent outlet is adjustable to permit the regula...

Page 32: ...frost position air nozzles for foot wells closed Fan automatically switches to high est speed and the air conditioner compressor is switched on automa tically to dehumidify the air For fast defogging...

Page 33: ...been closed and the desired temperature attained reduce cooling output and fan speed During periods of high humidity and low temperatures the air conditioner can be switched on together with the heat...

Page 34: ...n fuel consumption AUTO automatic air flow distribution for heating and air conditioning system under normal weather conditions Air will flow mainly out of the foot well nozzles and center air vents C...

Page 35: ...ciently wet before turning on the wiper To actuate the wiper push the rocker switch in the center console The wiper action disengages or engages automatically when the luggage compart ment lid is open...

Page 36: ...ric drive mechanism fails the roof can be operated manually The crank handle provided for this purpose is in the tool kit Remove the cover from the electric drive mechanism at the rear of the headline...

Page 37: ...working brake system the pedal travel to the point of brake actuation should be 1 3 16 to 1 9 16 or 30 to 40 mm When ever the brake pedal travel exceeds this dis tance have the brake system checked Ke...

Page 38: ...d by switching the station search lever to position 3 mono This does not affect the green light Wave band selection Depress either one of the buttons above the scale LW long wave 150 285 KHZ AM1 mediu...

Page 39: ...ow on the left side underneath the dashboard panel The hood springs up slightly under spring pressure Caution Do not drive with the hatchback open to prevent exhaust gas from being drawn into the car...

Page 40: ...lutch Due to the hydraulic operation of the clutch a free travel of the clutch pedal of 0 1 or 2 5 mm is necessary Should this free travel suddenly become bigger it could mean a malfunction of the clu...

Page 41: ...forward driving ranges and one reverse In the driv ing ranges D and 2 the Automatic Trans mission changes gears automatically while driving Position D is the driving range to be normally used for day...

Page 42: ...the car without ATF in the transmission as this will result in serious damage to transmission and torque converter Accelerator Pedal For good fuel economy we recommend smooth and even acceleration Ve...

Page 43: ...e door The transistorized ignition system in your Porsche may interfere with your electron ically operated garage door To check this drive your Porsche close to the garage door and run the engine at d...

Page 44: ...slight stiffness in the steer ing gearshifting or other controls during the break in period which will gradually dis appear Never lug the engine in high gear at low speeds This rule applies all the t...

Page 45: ...ze depend on outside temperatures to be expected and are listed under Capac ities The ratios can also be taken from the container of the anti freeze manufacturer Do not use engine coolant anti freeze...

Page 46: ...ice performed prior to the cold sea son and in accordance with the Maintenance Schedule Operating your Porsche in other Countries Government regulations in the United States and Canada require that au...

Page 47: ...wiped off the car with a dry rag since dust particles are abrasive and will rapidly dull the finish and cause scratches that may be difficult to repair Use plenty of water a car wash soap and a soft s...

Page 48: ...n after they occur Windows The road dust settling on the windows con tains tire abrasives and oil Use a lukewarm soap water solution or commercial window cleaning agents for the inside and outside Als...

Page 49: ...our car with safety stands if it is necessary to work under neath the car The jack supplied with the car is not adequate for this purpose When working under the car without safety stands but with the...

Page 50: ...one by a quali fied mechanic or by your Porsche dealer See Cautions Tool kit The tool kit is a lift out tray fitted into the rear cross wall of the car To remove or replace the tray turn both holding...

Page 51: ...the way for an accurate reading 3 Pull dipstick out again The oil level is cor rect if it is between the max and min marks on the dipstick 4 If oil level is below min mark or not showing on dipstick...

Page 52: ...n ning down your arm Wear eye protec tion 3 clean oil drain plug and replace using a new gasket Do not overtighten the plug 4 fill the crankcase with about 8 5 U S qts or 8 liters of engine oil labele...

Page 53: ...the ATF level The ATF should be checked at the intervals listed in your Maintenance Schedule A correct ATF level is very important for the proper functioning of the transmission The reading should be...

Page 54: ...recommended anti freeze is not available The anti corrosion properties and the anti freeze consistency will diminish gradually We recommend renewing the coolant mix ture at least every 2 years Warning...

Page 55: ...add as necessary For anti freeze water mixing ratios and cooling system capacity see Winter Operation and Filling Capacities re spectively Changing coolant with cold engine only 1 set heater lever at...

Page 56: ...stem Pull off the road stop the engine and add brake fluid immediately or contact the nearest Porsche dealer to have the cause located and corrected See Cautions Catalytic Converter The catalytic conv...

Page 57: ...ic converter Unleaded fuels may not be available outside the continental U S and Canada Therefore we recommend you do not take your car to areas or countries where unleaded fuel may not be available P...

Page 58: ...at sealing ring is seated correctly If the power steering system fails be cause the engine has stalled or the car is being towed the vehicle can still be steered However much greater effort is needed...

Page 59: ...ains the same Tire replacement If you replace tires on one axle only be sure to use tires of the same make and type Always put the new pair of tires on the front axle When replacing tubeless tires alw...

Page 60: ...psi or 2 2 bar Check pressure with tire pressure gauge 4 Have flat road tire repaired and remount ed on car at next service stop Remember the collapsible tire is for emergency use and short distances...

Page 61: ...located under the body There are two on each side front and rear 3 To raise the car turn the handle clock wise Only raise the car as much as is needed to change the wheel 4 Fully unscrew all wheel nu...

Page 62: ...nts illustrated on preceding page white arrows The rear lifting points are located on the rear axle control arm mount illustrated above arrow Lifting car with floor jack The same lifting points illust...

Page 63: ...ctive cover plate from fuse relay board 2 turn fuses between contact springs until metal fuse strip faces upward In a blown fuse the metal strip is separated 3 take out blown fuse by carefully depres...

Page 64: ...tional equipment 25 15 two tone horn power antenna rear window wiper 16 16 electric radiator fan 25 17 heating and AC blower 25 18 rear window defogger 25 19 headlight motor 16 20 headlight washer 16...

Page 65: ...inse with cold water for several minutes and call a doctor Battery care battery should be securely mounted terminals and connections should be kept clean and securely tightened Corrosion can be preven...

Page 66: ...n the car When traveling abroad remember that some countries require spare bulbs as part of the safety equipment Sealed Beam Headlights Replacing light unit 1 turn the ignition on 2 turn light switch...

Page 67: ...ning of light 5 install plastic trim and tighten retaining screws Fog lights 1 remove screws from plastic trim take off trim 2 remove Philips screws Take off lamp 3 disconnect wire Push down holding c...

Page 68: ...t D back up light 1 Remove Philips screws and lamp lens 1 Unscrew both screws and lift out lamp housing 2 Replace bulb 2 Replace bulb 3 Reinstall lamp lens and tighten Philips screws evenly alternatin...

Page 69: ...lb 3 Insert one side of the lamp housing into cut out and press firmly on the other side Light unit will snap into place Manual Operation of Retractable Headlights If the retractable headlights do not...

Page 70: ...essure must be correct Roll car forward a few feet so that the sus pension seeks its normal position Adjustment screws Each headlight and fog light has two adjust ing screws one for lateral setting an...

Page 71: ...s not to touch Improper hook up of jumper cables can ruin the alternator Al ways connect positive to positive and negative to negative 1 Connect clamp of plus cable to positive terminal of discharged...

Page 72: ...t be very careful when driving off and shifting to avoid sudden and abrupt jerks The driver of the towed car must always keep the tow rope taut Automatic Transmission When towing your car with automat...

Page 73: ...ding grass or leaves which may come into contact with the hot ex haust system Catalytic Converter Immediate damage to the catalytic conver ter will result if you turn the ignition off while your car i...

Page 74: ...ed lever of lambda 1 0 The oxygen sensor continu ously measures the oxygen content of the exhaust gas and signals the information to an electronic control unit The control unit corrects the air fuel r...

Page 75: ...unit 8 Three way catalyst 9 Exhaust manifold 10 Ignition distributor 11 Intake manifold 12 Throttle valve housing 13 Cold start injector 14 Aux air valve for cold start 15 Vacuum limiter 16 Venturi tu...

Page 76: ...o the engine where they are burned during normal com bustion An expansion chamber for the fuel tank and vent lines are part of the fuel tank vent sys tem These components prevent fuel from escaping to...

Page 77: ...4474 cm 3 9 1 220 hp 1165 kW at 5500 rpm 265 ft lb 348 Nm at 4000 rpm Unleaded fuel only 91 RON 87 CLC rating on fuel pumps in U S A 6300 rpm Bosch WR 8 DS Beru RS 35 0 028 0 032 in 0 7 0 1 mm 12 Volt...

Page 78: ...loy 1 overhead camshaft per cylinder bank toothed V belt forged electric pump EFI Electronically controlled Fuel Injection system air flow sensitiv also known as L Jetronic Power Train Gear ratio 1st...

Page 79: ...Wheel camber Front 30 10 Rear 40 10 Maximum difference left to right 10 Toe in Front 0 5 under 33 lb or 15 kg pressure Rear 10 5 Toe angle difference At 20 lock to left and right 1 20 Caster 3 30 15...

Page 80: ...pprox 4th gearapprox 5th gearapprox 62 41 2 8 18 11 Automatic transmission 1st gearapprox 2nd gear approx 3rd gearapprox 39 21 11 58 3 5 21 shortly climbing performance Brake System Hydraulic dual cir...

Page 81: ...in summer SAE 30 in winter SAE 20 W only at constant temperatures below 41 FI 5 C Porsche does not recommend the use of oil additives Approx 4 23 U S gals or 16 liters Factory filled to 22 F 30 C for...

Page 82: ...5 0 5 0 8 4 U S qts or 8 0 liters 8 4 U S qts or 8 0 liters 40 F o r 4 0 C 5 5 4 5 9 3 U S qts or 8 8 liters 7 6 U S qts or 7 2 liters Wheelbase 98 43 in 2500 mm Wheel track front 61 10 in 1552 mm Wh...

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Page 87: ...cy starting Car with automatic transmission cannot be started by pushing or towing See Emergency starting with jumper cables Seat adjustment Backrest Pull lever in front of seat Press button on side o...

Page 88: ...s on dipstick Difference between marks is approx 1 6 U S qt or 1 5 liter Engine oil Use only quality HD oils For Service API SE Details un der Filling Capacities With out filter change 7 93 U S qts or...

Page 89: ...Filling Capacities Use only additives recommen ded for aluminium engines and radiators See Cooling System Jack support points Black arrows Jackports for car jack White arrows Lifting points for works...

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