gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Compression Check|Specifications|Page 3049 > < Spark Plug Gap|Page 3045
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Compression Check: Specifications

No cylinder should read less ............................................................................................................................................................   than 690 kPa (100 psi).

Compression Check|Specifications|Page 3049 > < Spark Plug Gap|Page 3045