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Home >> Jeep >> 2003 >> Grand Cherokee 4WD V8-4.7L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications

Compression Check: Specifications

CYLINDER COMPRESSION PRESSURE

Compression Pressure 140 - 180 psi
Maximum Allowable Variance Between Cylinders 25 %

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