gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Compression Check|Specifications|Page 2502 > < Spark Plug Inspection|Page 2498
Page 1
background image

Compression Check: Specifications

Engine Compression

No cylinder reading should be less than 689 kPa (100 psi).

Compression Check|Specifications|Page 2502 > < Spark Plug Inspection|Page 2498