Porsche 928 Workshop Manual page 321

928
Table of contents
Volume I-A
a
Checking function of hot start valve (CIS)
Checking hot start valve for leaks (CIS)
Pressure tests with VW 1318
Connecting and bleeding pressure tester VW 1316
Connecting and bleeding pressure tester VW 1318
Checking system pressure
Checking control pressure "warm"
Checking and adjusting rest position of air flow sensor plate
Replacing pressure relief and residual pressure valves
Removing and installing mixture control unit
DisassemMing and assembling mixture control unit
DisassemMng and assembling mixture control unit
Removing and installing fuel injectors
Removing and installing oxygen sensor
Resetting elapsed mileage switch
Removing and installing control unit for AFC fuel injection and oxygen sensors
Exhaust system/ Emission Controls
Replacing filter element of air pump
Checing tightness of exhaust flanges
Hose Layout
Intermediate and/or final mufflers single pipe system
Replacing intermediate and/or final mufflers
Intermediate and/or final mufflers -twin pipe system
Replacing intermediate muffler and final muffler
Replacing final muffler
Starter, Power Supply, Cruise Control
Checking battery 27-1
Automatic cruise contrd (tempostat) 27-3
Removing and installing tempostat control
27-6
Removing and installing tempostat switch (steering column switch) 27-6
Removing and installing clutch pedal switch 27-7
Removing and installing vacuum servo 27-6
Removing and installing cable on vacuum servo 27-9
Page
2512b
25.12b
25.12~
25.12d
25-12e
25-l 2f
25-l 2f
25-13
25-14
25-15
25-l 7
25-21
25-23
25-25
25-26
25-26
26-i
26-1
26-3
26-6
26-7
26-8
26-9
26-9
Table of contents
Printed in Germany - XXIV, 19Bs
3