oil temperature AUDI A4 1997 B5 / 1.G AEB ATW Engines Cylinder Head Remove And Install Workshop Manual

15-22


- Disconnect harness connector -1- at Engine Coolant Temperature
(ECT) sensor -G2-/-G62-.
- Disconnect harness connector -2- at temperature sensor II -G18-.
- Unclip all connections from cylinder head and move clear.

- Remove crankcase ventilation line -1-.
- Remove oil supply line at cylinder head -2-.
- Remove heat shield -3-.
- Unbolt turbocharger from exhaust manifold -4-.
- Disconnect coolant hose to heat exchanger at rear of cylinder head,
also detach retaining clamps at connecting flange.
- Remove upper toothed belt cover Page 13
-29
.
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ylinder head, removin
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15-30

Compression, checking


Special tools and equipment

VAG1381 or VAG1763 compression tester
3122B spark plug removal tool

Test condition
Minimum engine oil temperature: 30 C (86
F)

Test procedure

- Remove engine covers.

- Switch ignition off and remove harness
connectors to ignition coils.

- Unbolt ignition coils (arrows).
- Remove all harness connectors to fuel injectors.
- Using 3122B spark plug removal tool, remove all spark plugs.
- Open throttle to Wide Open Throttle (WOT) position.
- Using VAG1381 or VAG1763 compression tester, test engine
compression.
Pa
ge 32 of 35 C
ylinder head, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.2