Porsche 1989 928 Manuals

Manuals and User Guides for Porsche 1989 928. We have 1 Porsche 1989 928 manual available for free PDF download: Workshop Manual

PORSCHE 1989 928 Workshop Manual (278 pages)

Brand: PORSCHE | Category: Automobile | Size: 40.07 MB

List of Repair Groups
3
Table of Contents
3
Speed Automatic Transmission (up to 86 Models)
6
Technical Data
7
4-Speed Automatic Transmission (87 Models Onwards)
7
Transmission Designation
8
Product Number Combinations
8
Transmission Numbers (12 Digits)
9
Tightening Torque for Automatic Transmission
11
Tightening Torques (Automatic Transmission)
13
Tools
14
Removing and Installing Torque Converter
15
Clutch, Automatic Torque Converter
16
Notes on Removing and Installing
17
Removing and Installing Selector Lever Cover Frame
19
Removing and Installing Selector Lever Cable
21
Adjusting Selector Lever Cable
23
Removing and Installing Starter Locking and Backup Light Switch
24
Adjusting Starter Locking and Backup Light Switch
26
Checking Adjustment of Selector Lever Cable and Starter Locking/Backup Light Switch
27
Control Pressure Cable, Adjusting
30
Removing and Installing Transmission
32
Adjusting Transmission Suspension
37
Disassembling and Assembling Front Converter Housing
39
Disassembling and Assembling Front Converter Casing (87 Models Onward)
43
Notes for Assembly and Disassembly
45
Removing and Installing Rear Transmission Case
48
Removing and Installing Rear Transmission Case
51
Removing and Installing Rear Transmission
52
Removing and Installing Rear Transmission
55
Shims for Bearing Assembly
57
Disassmebling and Assembling Transmission
60
Disassembling and Assembling Transmission
63
Checking Transmission Operation
91
General Checks
91
Transmission Fluid Level
91
Check ATF Level
91
Stall Speed Test
92
Test Drive
93
Checking Operation
94
Shifting Points in Km/H
94
Measuring Nominal Pressures
95
Checking Transmission Operation
96
Modulating Pressure, Measuring/Adjusting
97
Checking Operating Pressure
98
Checking/Measuring Governor Pressure
98
Control Pressure
98
Specified Pressures in Bar up to 86 Models
99
Checking Functioning
100
Nominal Pressures in Bar as from Model 87
100
Troubleshooting Automatic Transmission
101
Troubleshooting
106
Removing and Installing Shift Valve Casing
113
Disassembling and Assembling Shift Valve Housing
116
Disassmebling and Assembling Shift Valve Casing (87 Models Onward)
121
Removing and Installing Lower Cover
127
Disassembling and Assembling Lower Cover
129
Replacing ATF and Filter
133
AFT and Filter, Changing
134
Filling Capacities
134
Types of Oil
134
Refilling with ATF
135
Flushing ATF Cooler and Lines
137
Removing and Installing Governor
138
Checking Governor
140
Removing and Installing Vacuum Modulator
141
Removing and Installing Primary Pump
143
Removing and Installing Primary Pump
144
Disassembling and Assembling Secondary Pump
148
Disassembling and Assembling Gear Assembly
151
Disassembling and Assembling One-Way Clutch
157
Disassembling and Assembling One-Way Clutch
158
Checking and Adjusting One-Way Clutch Axial Play
161
Disassembling and Assembling Clutch K1
163
Disassembling and Assembling Clutch K2
170
Differential/Transaxle System Tools
176
Removing and Installing Final Drive
177
Disassembling and Assembling Final Drive
183
Disassembling and Assembling Differential
188
Disassembling and Assembling Bearing Assembly
194
Determining Thickness of Shims for Bearing Assembly
197
Adjusting Drive Pinion and Ring Gear
198
Recommended Sequence for Adjustment of Pinion/Ring Gear
199
Adjusting Drive Pinion and Ring Gear
200
Adjusting Drive Pinion and Ring Gear
201
Adjusting Pinion
203
Pinion/Ring Gear Marked N/DM
203
Adjusting Ring Gear
206
Adjusting Backlash
207
Determination of Shims S1 and S2
208
Disassembling and Assembling Central Tube
210
Checking Central Tube
212
Adjusting Drive Plate
213
Determining Distance X
214
PSD Diagnosis/Troubleshooting
216
Contents
217
PSD Layout
218
Component Layout
219
ABS/PSD Control Unit
219
Lateral Acceleration Sensor
219
Lock Hydraulics
219
PSD - Fault Display/Troubleshooting Procedure
220
Bleeding Hydraulics of Porsche Controlled Limited-Slip Differential (PSD)
221
Bleeding the Pressure Reservoir
221
Bleeding the Valve Block and the Locking Line to the Lock Slave Cylinder
221
Measuring the Plate Wear on the Controlled-Slip Differential
222
Checking Locking Torque (Friction Coefficient) of Transverse Lock
223
Locking Torque-To-Pressure Limits
233
Checking Pilot Pressure Valve of Lock Hydraulics (Lock Operation)
234
Specifications/Identification of the Pilot Pressure Valves
234
Checking Pilot Pressure Valves
235
Lateral Acceleration Sensor Installation Position
237
Installatin/Checking
237
Assessment Table for Sensor Tests
240
Sensor Installation Position Via Output Voltage
240
Sensor Operation
240
PSD - Diagnosis with System Tester 9288
241
Overview of Available PSD Menus
241
Connector Pin Assignment for Control Unit (PSD/ABS)
242
DTC Memory
244
Fault Overview/Troubleshooting (Diagnosis/Test Plan)
245
DTC Memory/Troubleshooting
246
Troubleshooting Aids
246
Combined Plug Connections - Distinguishing between Wires
246
Replacing the Hydraulic Unit
247
Test-Drive after Eliminating the Fault
247
Transverse Lock Valve DTC 11
248
Lateral Acceleration Sensor, Short-Circuit/Discontinuity DTC 12
250
Lateral Acceleration Sensor, Signal Implausible DTC 13
251
Transverse Lock, Deviation DTC 14
252
Control Unit Defectie DTC 15
253
Front Left Wheel Sensor DTC 21
254
Front Right Speed Sensor DTC 22
256
Rear Right/Left Speed Sensor DTC 24
256
Front Left ABS Valve DTC 31
256
Front Right ABS Valve DTC 32
258
Rear Axle ABS Valve DTC 33
258
Valve Relay DTC 34
259
Return Pump, DTC 35
263
Check Lock Hydraulics (Energy Production)
265
Check Hydraulics of the Lock/Troubleshooting
266
Pressure Tests on the Lock Hydraulics (Energy Production)
269
Overview/General
269
Pressure Gauge Connection
269
Tests
270
Gas Filling Pressure of the Pressure Reservoir
271
Checking the Switching Points for the Warning Display in the Instrument Cluster
271
Checking the Switching Points of the Pressure Pump
271
Nominal Values/Notes
272
Removing and Installing Pressure Warning Switch of Lock Hydraulics
274
Removing and Installing the Pressure Reservoir
276

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PORSCHE 1989 928 Workshop Manual (278 pages)

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