geo Workshop Repair Guides

Geo Workshop Service and Repair Manuals

Camshaft, Lifters and Push Rods > < Vehicle Lifting|Service and Repair
Page 1
background image

Compression Check: Specifications

The lowest reading cylinder should not be less than 14 psi of the highest and no cylinder reading should be less than 979-1317 kPa (142-191 psi). 
Perform compression test with engine at normal operating temperature, spark plugs removed and throttle wide open.

Camshaft, Lifters and Push Rods > < Vehicle Lifting|Service and Repair