volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Camshaft, Lifters and Push Rods > < Wheel Fastener|Specifications
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Compression Check: Testing and Inspection

Compression pressure, checking 

- engine oil temperature minimum 30°C (86°F)
- throttle plate completely open
- ignition coil lead removed from ignition distributor and connected to ground
- check compression pressure using pressure recorder US 1120 
- follow operating instructions for recorder
- operate starter until recorder unit indicates no further pressure increase

Compression pressure values bar (psi) 

New 

Wear limit

8-12 (116-174) 

6 (87)

- permissible difference between all four cylinders: 3 bar (43.5 psi)

Camshaft, Lifters and Push Rods > < Wheel Fastener|Specifications