15-29
Compression, checking
Test conditions
Engine oil temperature at least 30 C
Battery fully charged
- Disconnect harness connectors from all 6 fuel
injectors.
- Disconnect 5-pin harness connector from power
output stage of ignition coils.
- Open throttle fully.
- Use VAG1381 or VAG1763 compression tester
to check compression.
- Operate starter until no further pressure
increases are indicated by VAG1381 or
VAG1763 compression tester.
Compression pressure
New
Wear
limit Max. permissable
difference between
cylinders
Pa
ge 34 of 62 Valve
gear, servicin
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11/21/2002 htt
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