Compression Check: Testing and Inspection

Compression, Testing

NOTE: Engine oil temperature minimum 3O° C (86° F).

Special tools needed:
Compression tester VAG 1381 or VAG 1763
Spark plug wrench 31 22B
Fixture 3277

- Remove 5-pin harness connector from ignition coil (N152)

- Fully open throttle.

- Check compression with tester VAG 1381 or VAG 1763.

- Crank starter until tester shows no additional increase in pressure

Compression Pressure:
New: 10 to 13 bar
Wear limit: 7.5 bar
Permissible difference between all cylinders: 3 bar