Porsche 944 Manual de usuario Pagina 110
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17
Engine, Lubrication 944
Removing and installing the pressure reducing valve
Engine type M44.40
80/17
1 -
2 -
3 -
4 -
Se screw
Pressure reducing valve
O-ring
O-ring
1. Remove the cylinder head cover and
undo
the set screw by 2 rums.
2. Ease the pressure reducing valve out of
the seat with a screwdriverand take out
upwards.
3. Replace the O-rings and apply a light film
of oil before installation.
4. Tighten the set screw carefully until you
can feel the stop, then tum back by 45°.
The screw must not be loose.
(Microencapsulated, renew if necessary).
17 - 102
Removing and installing the pressure reducing valve
Printed in Germany - XVII, 1988
- Volume IA - Engine, 16 valves 1
- Table of contents 2
- Drive unit 12
- Connection in the 944 S 15
- Tester cable 16
- Starting error diagnosis 17
- Blank page 24
- Test code list 25
- System adaption 27
- Knock detection 29
- Troubleshooting 31
- Error code 1111 31
- Error code 1112 32
- Error code 1113 33
- Error code 1114 33
- Error code 1121 34
- Error code 1123 36
- Error code 1124 36
- Error code 1125 37
- Error code 1131 38
- Error code 1132 38
- Error code 1133 39
- Error code 1134 39
- Error code 1141 40
- Error code - List 41
- Resetting the error memory 43
- 1. General information 46
- 3.5 Engine-knock registration 50
- 4.1 Service parts (Porsche) 51
- 10 - 0100 52
- 01 - 0101 53
- 10 - 0102 54
- Tolerances and wear limits 54
- 10 - 0103 55
- 10 - 0104 56
- 13 - 102 66
- Pistons from Model 89 onwards 67
- 13 - 105 69
- 15 - 104a 75
- 15 - 104b 76
- 87 - 422 81
- Installing camshafts 83
- 15 - 112 84
- Installing Camshafts Seal 85
- 15 - 112a 85
- 15 - 112b 86
- Camshafts specifikations 86
- 15 - 118 92
- 15 - 119 93
- 15 - 120 94
- Checking the valve guides 97
- 15 - 123 97
- 15 - 124 98
- 15 - 126 100
- Replacing valve guides 100
- 15 - 127 101
- 15 - 128 102
- Replacing the valve guides 102
- 15 - 129 103
- 15 - 131 105
- 15 - 132 106
- 15 - 134 108
- 17 - 102 110
- 24 - 102 118
- 24 - 105 121
- Checking idle speed and CO 122
- 24 - 107 123
- 26 - 100 124
- Blank Page 124
- 28 - 102 128
- 28 - 105 131
- 86/746 B 133
- D 24/28 - 1 135
- D 24/28 - 2 136
- D 24/28 - 3 137
- D 24/28 - 4 138
- Diagnosable DME Control Unit 139
- D 24/28 - 6 140
- D 24/28 - 7 141
- D 24/28 - 8 142
- D 24/28 - 9 143
- Test Point 2: 144
- Test Point 3 145
- Test Point 4 146
- D 24/28 - 13 147
- Test Point 6: 148
- Test Point 149
- Test Point 8: 150
- Test Point 9 150
- Test Point 10 151
- Test Point 11 151
- D 24/28 - 18 152
- Point 15: 153
- Point 16: 153
- Test Point 18: Fuel Pressure 155
- D 24/28 - 22 156
- D 24/28 - 23 157
- Mark Sender 158
- Test Point 22: Ignition 159
- D 24/28 - 26 160
- D 24/28 - 27 161
- Injection Timing (V/ ) 162
- Test Point 25: Leads K and L 163
- D 24/28 - 30 164
- D 24/28 - 31 165
- D 24/28 - 32 166
- Check-Engine Lamp 167
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