Porsche 944 User Manual

Page 3

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volume I-A

Table of contents

944

Machining mating face, cylinder head

Vaive springs, removing and installing, removing valve stem seal

Valve stem seal, installing

Checking valve guides

Replacing valve guides

Checking valve seat wear limit

Valve seats, checking and machining

Checking and adjusting installation length of valve springs

Engine - Lubrication

Replacing engine oil and oil filter

Pressure-reduclng valve, removing and installing

Engine - Coating

Checking cooling and heating system for leaks

Fuel supply

Replacing fuel filter, checking injection lines for leaks and tightness

Checking delivery rate of fuel pump

Line routing, fuelsystem, M 44.40

Fuel preparation - L-Jetronic/regulation

Replacing air filter cartridge, checking intake-air guide hoses

Testing and adjusting specifications

Checking fuel pressure

Checking idle speed and CO - with catalytic convertor

Checking idle speed and CO - without catalytic convertor

Replacing air filter cartridge for Model 89 onward

Exhaust system

Exhaust system - check tightness of flanges

Ignition system

Equipment table

DEE control unit coding - 944 S, Model 87 onward

Replacing spark plugs

Equipment table, Model 89 onward

DEE control unit coding - 944 S 2, Model 89 onward

DME-Diagnosing / Troubleshooting

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15 - 121

15 - 122

15 - 123

15 - 125

15 - 130

15 - 131

15 - 133

17 - 101

17 - 102

19 - 101

20 - 101

20 - 102

20 - 103

24 - 101

24 - 102

24 - 103

24 - 105

24 - 106

24 - 107

26 - 101

28 - 101

28 - 103

28 - 104

28 - 105

28 - 107

D-24/28-1

2

Table of contents

Printed in Germany - XXIV, 1991

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