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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (5.7L - Engine (Service Information)) >> Cylinder Head >> Diagnosis And Testing >> Cylinder Head Gasket Failure >> Cylinder-To-Cylinder Leakage Test

Cylinder-To-Cylinder Leakage Test

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To determine if an engine cylinder head gasket is leaking between adjacent cylinders, follow the procedures in the Cylinder Compression Pressure Test in this service information. An engine cylinder head gasket leaking between adjacent cylinders will result in approximately a 50 - 70% reduction in compression pressure.

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