Compression test on hot engine
03-11-2013 | 02:29 PM
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From: NorthEast Ohio
Year: 2001
Model: Cherokee
Compression test on hot engine
Wouldn't a compression test on a hot engine show if a head or head gasket was cracked?
If you pulled all 6 plugs I would think having good compression across all cylinders would be a pretty certain sign of no head crack or faulty head gasket.
Would you have to open the coolant cap (carefully HOT) to remove pressure there as well to test properly?
If you pulled all 6 plugs I would think having good compression across all cylinders would be a pretty certain sign of no head crack or faulty head gasket.
Would you have to open the coolant cap (carefully HOT) to remove pressure there as well to test properly?
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