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Porsche 928 1979, Owner'S Manual

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Porsche 928 1979 Owner'S Manual Download Page 76

Engine Design Specifications 

Design 

Operating cycle 

Cooling 

Lubrication 

Cylinder block and head 

Valve operation 

Camshaft drive 

Crankshaft 

Fuel supply 

Fuel injection 

8 cylinders in V configuration 

4 stroke 

water cooled 

pressure-fed  f r o m sump 

light metal alloy 

1 overhead camshaft per cylinder bank 

toothed V-belt 

f o r g e d 

2 electric pumps 

CIS (Continuous Injection System, also known as K-Jetronic) 

Power Train 

Gear ratio 1st gear 

2nd gear 

3rd gear 

4th gear 

5th gear 

Reverse 

Rear axle ratio 

Clutch 

Power transmission 

75 

Summary of Contents for 928 1979

Page 1: ......

Page 2: ...All rights reserved Printed in Germany U S Order No W 42 608 174 1 Canada Order No W 42 608 174 101 Your car may have all or some of the components described in this manual Should you find explana ti...

Page 3: ...lways carry your Warranty Main tenance booklet with you when you take your Porsche to an authorized dealer for service It provides your Service Adviser with the informa tion he needs and enables him t...

Page 4: ......

Page 5: ...lant temperature gauge 23 Cooling system 51 52 79 Corrosion prevention 42 D Dashboard 17 Defogging defrosting 17 26 27 30 32 Dimensions 79 Directional signals 19 22 Doors locks 9 11 43 Driving hints 8...

Page 6: ...steering fluid 55 Power windows 10 17 Pressure tires 56 76 R Radiator fan 23 46 51 Radio 35 Rear seats 12 Rear window defogger defroster 26 Rear window wiper switch 26 Rear view mirrors 27 s Safe driv...

Page 7: ...and prompt ser vice Chassis number In accordance with Federal Safety Regula tions the chassis number of your car is lo cated on the left windshield post and can be seen from the outside 6 Engine numb...

Page 8: ...Compliance Sticker is your assur ance that your Porsche complies with all Federal Motor Vehicle Safety Standards which were in effect at the time the vehicle was manufactured It is located on the doo...

Page 9: ...w mir rors 4 Use safety belts 5 Check operation of foot and parking brakes 6 Check all warning und indicator lights when starting the engine 7 DO NOT leave car idling unattended 8 Lock doors from insi...

Page 10: ...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 Keep this tag in a safe place no...

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: ...e either the master or auxiliary key on the driver s side To lock or unlock both doors from the inside turn handwheel B on the driver s side Doors To open doors from outside pull the reces sed door ha...

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: ...ith 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 upright po sition and securely locked Manual operation If...

Page 15: ...ne stationary the central warning light and all individual warning lights located in both combination instruments will light up for a bulb check 3 The starter is operated by turning the ignition key t...

Page 16: ...not be in its most protective position and may there fore increase the possibility of injury in a collision For maximum safety and protection we re commend that small children travel in the rear seat...

Page 17: ...is wound 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...

Page 18: ...5 Center air vents cooled air only 6 Reset button for central warning light 7 Glove compartment lock 8 Side view mirror adjuster 9 Front hood release lever 10 Horn 11 Emergency flasher switch HAZARD...

Page 19: ...trument 11 Rear window defogger switch 12 Rear window wiper switch 13 Ignition starter switch with steering lock 14 Instrument illumination control 15 Turn signal headlight dimmer flasher parking ligh...

Page 20: ...defective the indicator light flashes at about twice the nor mal frequency Lane changer To indicate your intention when changing lanes on expressways slightly lift or depress the turn signal indicator...

Page 21: ...shield from any selected wiper speed position 6 push lever toward instrument cluster to turn headlight washer on The headlight washer system operates only with the headlights on Before operating the w...

Page 22: ...clutch pedal Braking and stopping whenever you apply the brake or come to a stop the auto matic speed control is disengaged Move the lever down arrow 2 and the preset speed will be resumed Switching...

Page 23: ...indi cates the maximum permissible engine rpm Before reaching this area the next higher gear should be selected Earlier shifting saves fuel Shift to the next lower gear when the engine rpm drops below...

Page 24: ...with engine turned off until the coolant tem perature 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 workin...

Page 25: ...e light flickers or stays on while you are driving the V belt may be loose or broken The belt should be re tensioned or replaced The fault may also be in the regulator or the alternator itself In this...

Page 26: ...he engine 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...

Page 27: ...dometer instrument can be turned back to zero by depressing switch B Rear window wiper To avoid scratching the glass the rear window should be sufficiently wet before turning on the wiper To actuate t...

Page 28: ...terfere with the driver s vision Heated outside mirror with remote control When the rear window defogger defroster is switched on the outside mirror is also heat ed electrically The outside mirror can...

Page 29: ...e master or the auxil iary key An additional storage shelf is 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 visor...

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

Page 31: ...conditioner cooled air from air conditioner 1 defogging defrosting nozzles for wind shield 4 air outlet nozzles for foot wells Each individual vent outlet is adjustable to 2 defogging defrosting vents...

Page 32: ...emperature The vents are adjustable to direct air flow sideways or up and down Turn the rotary knob to shut off cool air flow Air distribution control lower lever air vents closed air conditioner on c...

Page 33: ...the upper lever toward the right If cool air flow decreases The thermostatic sensor will prevent the evaporator from icing up If extreme condi tions such as high outside temperature dense humidity or...

Page 34: ...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 35: ...orking 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 Kee...

Page 36: ...ed 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 A M 1 me...

Page 37: ...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 38: ...come to a complete stillstand The gear positions are shown in the diagram on the right Clutch Due to the hydraulic operation of the clutch a free travel of the clutch pedal of 0 1 or 2 5 mm is necessa...

Page 39: ...e 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 to day driving and highway driving It...

Page 40: ...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 41: ...e the engine has reached its normal operating temperature If you have an automatic garage d o o r The transistorized ignition system in your Porsche may interfere with your electron ically operated ga...

Page 42: ...cautions during the first miles you can in crease the service life and performance of your engine During the first 1 000 miles 1 600 km all working components of the engine adjust to each other to a c...

Page 43: ...e Use any quality anti freeze containing ethylene glycol The mixing ratios between water and anti freeze depend on outside temperatures to be expected and are listed under Capac ities They can also be...

Page 44: ...ce performed prior to the cold season and in accordance with the Maintenance Schedule Operating your Porsche in other Countries Government regulations in the United States and Canada require that auto...

Page 45: ...t is important to test the brakes after the car has been washed Care of the finish Oils contained in the paint are the most important ingredients contributing to the elasticity of the finish Because t...

Page 46: ...pose Never use chemical cleaning agents for the plastic covers of the front and rear turn signals They should only be cleaned with water or a soap water solution Touch up paint Your dealer has touch...

Page 47: ...r 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 wh...

Page 48: ...bout any servicing have it done by a quali fied mechanic or by your authorized dealer See also Cautions on page 46 Tool kit The tool kit is a lift out tray arrows fitted into the rear cross wall of th...

Page 49: ...pstick push it in all the way for an accurate reading 3 Pull dipstick out again The oil level is correct if it is between the max and min marks on the dipstick 4 If oil level is below min mark or not...

Page 50: ...t operating temperature and the ignition off 1 loosen and remove oil filler cap 2 loosen oil drain plug arrow on oil pan and allow oil to drain completely 3 clean oil drain plug and replace using a ne...

Page 51: ...be used when adding ATF Checking the ATF level The ATF should be checked at the intervals listed in your Maintenance Schedule A cor rect ATF level is very important for the proper functioning of the...

Page 52: ...thermostat when the coolant reaches 92 C 198 F Even when the engine is turned off the fan will continue running until the cool ant temperature has dropped to 87 C 189 F and until the engine itself has...

Page 53: ...d as necessary For antifreeze water mixing ratios and cool ing system capacity see Winter Operation and Filling Capacities respectively Changing coolant with cold engine only 1 set heater lever at war...

Page 54: ...ight system Pull off the road stop the engine and add brake fluid immediately or contact the near est Porsche dealer to have the cause located and corrected Catalytic Converter The catalytic converter...

Page 55: ...alytic 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 availab...

Page 56: ...meet the mark on the reservoir If necessary top up with ATF Dexron 3 reinstall cap and make sure that sealing ring is seated correctly Changing air cleaner filter element A dirty air cleaner not only...

Page 57: ...ze load carrying capacity tread pattern etc This also applies to Porsche recommended replacement tires New tires do not grip the road as well during the first 60 to 120 miles 100 to 200 km as after th...

Page 58: ...psi or 2 2 bar Check pressure with tire pres sure gauge 4 Have flat road tire repaired and remounted on car at next service stop Remember the collapsible tire is for emergency use and short distances...

Page 59: ...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 60: ...s 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 illustra...

Page 61: ...relay board 2 t u r n 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 de pressing the upper contact s...

Page 62: ...8 12 combination instrument warning lights right 8 13 not connected 14 power seat controls optional equipment 25 15 power antenna rear 16 16 electric radiator fan 25 17 heating and AC blower 25 18 rea...

Page 63: ...ly rinse 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 properly tightened Corrosion can be pr...

Page 64: ...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 t u r n light switch...

Page 65: ...of light 5 install plastic trim and tighten retaining screws Fog lights 1 remove screws from plastic trim take off trim 2 remove Phillips screws Take off lamp 3 disconnect wire Push down holding clam...

Page 66: ...License plate lights 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 altern...

Page 67: ...ulb 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 lights 1 Remove the two screws in ashtray hous ing and pull the ashtra...

Page 68: ...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 69: ...urned 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 operating The motor may turn suddenly and cause injury...

Page 70: ...ust 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 autom...

Page 71: ...nto contact with the hot ex haust system Catalytic Converter Immediate damage to the catalytic converter will result if you turn the ignition off while your car is moving or if you try to push start t...

Page 72: ...ignition distributor is monitored via vacuum lines to assure ig nition at exactly the right moment for com plete combustion Secondary Air Pump A special air pump delivers fresh air to the engine exhau...

Page 73: ...sion Control System 1 Throttle valve 2 Intake manifold 3 Secondary air pump 4 EGR amplifier 5 Exhaust manifold 6 EGR valve 7 Temperature valve 8 Air diverter valve 9 Check valve 10 Catalytic converter...

Page 74: ...r cleaner back to the engine where they are burned during normal combustion An expansion chamber for the fuel tank and vent lines are part of the fuel tank vent sys tem These components prevent fuel f...

Page 75: ...cm3 8 5 1 219hp 164 kW at 5250 rpm 245 ft lb 333 Nm at 3600 rpm Unleaded fuel only 91 RON 87 CLC rating on fuel pumps in U S A 6300 rpm Bosch W 8 D W 145 T 30 Beru 14 8 D 145 14 3 A 0 028 0 032 in 0 7...

Page 76: ...jection 8 cylinders in V configuration 4 stroke water cooled pressure fed from sump light metal alloy 1 overhead camshaft per cylinder bank toothed V belt forged 2 electric pumps CIS Continuous Inject...

Page 77: ...rim 36 psi or 2 5 bar for summer and winter tires 32 psi or 2 2 bar for collapsible spare tire Front 3 0 10 Rear 4 0 10 Maximum difference left to right 10 Front 0 5 under 33 lb or 15 kg pressure Rea...

Page 78: ...gear approx 28 4th gear approx 1 8 5th gear approx 11 Automatic transmission 1st gear approx 2nd gear approx 3rd gear approx shortly climbing performance 3 8 21 11 56 3 3 2 2 Brake System Hydraulic d...

Page 79: ...ard against engine damage The following viscosity can be used in summer SAE 30 in winter SAE 20 W only at constant temperatures below 41 F 5 C Porsche does not recommend the use of oil additives Appro...

Page 80: ...ng circle wall to wall 37 ft 8 in 11 5 m Length 175 67 in 4462 mm Width 72 28 in 1836 mm Height at curb weight 51 61 in 1311 mm Ground clearance 4 69 in 119 mm Temperature down to Anti freeze Water An...

Page 81: ...240 T 180 5000 80...

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Page 85: ...ee a positive battery post remote connection Attach positive jumper cable to post for emergency starting Emergency starting Car with automatic transmission cannot be started by pushing or towing Seat...

Page 86: ...en marks is approx 1 1 U S qt or 1 liter Engine oil Use only quality HD oils For Service API SE Details under Filling Capacities Without filter change 6 87 U S qts 5 72 Imp qts 6 5 liters with filter...

Page 87: ...atio specified under Filling Capacities Use additives recommended for aluminum engines and ra diators Jack support Black arrows White arrows Jackports for car jack Lifting points for workshop hoist or...

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