porsche Workshop Repair Guides

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Compression Check|Specifications|Page 1829 > < Variable Valve Timing Actuator|Locations|Page 1825
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Compression Check: Specifications

The compression in the cylinder that is tested

The pressure is measured in bars.
1 bar = 14.5 psi.
There are various diagram charts. The charts for petrol engines are used.

Difference in pressure between the individual cylinders

The pressure difference between two cylinders must not be greater than 1.5 bars.

Compression Check|Specifications|Page 1829 > < Variable Valve Timing Actuator|Locations|Page 1825