Compression Check: Testing and Inspection

Requirements
- Minimum engine oil temperature 30°C (86°F)
- Throttle valve fully opened during cranking

Checking





1. Remove fuse 1 from fuse panel -4- at right A-pillar.
- Reinstall fuse after completing compression test.
2. Check compression with compression pressure recorder tools No. VAG 1381 and adapter VAG 1381/5, or equivalents.

NOTE: Refer to the operating instructions for use of the compression tester.

3. Crank engine with starter, until no further pressure increase is indicated on tester.
Compression pressure specifications:
New: 10-15 bar (145-220 psi).
Wear limit: 7.5 bar (110 psi).
Permissible difference between all cylinders:
Maximum: 3 bar (44 psi).