chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Compression Check|Specifications|Page 4142 > < Spark Plug|Specifications|Page 4138
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Compression Check: Specifications

Using the J 38722 record the compression readings from all of the cylinders.

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The lowest reading should not be less than 70 percent of the highest reading.

^

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

Compression Check|Specifications|Page 4142 > < Spark Plug|Specifications|Page 4138