LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 1978 >> Cherokee Chief, 6.6L Eng VIN Z >> Labor Times >> Other Variant >> Engine Performance >> Ignition Systems >> Engine Compression >> Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Compression: Testing

WARNING: This page is about the Cherokee Base, 2D Utility, 4.2L Eng VIN A, 4WD, Trans Mfr CD T14A, which is a different variant/trim than selected.
NOTE: Add 0.2 for wet compression retest.

Applies ToNoteStandard HoursWarranty HoursSkill Level
In-Line60.8C
Combination Procedure: ENGINE CYLINDER LEAKAGE: Testing:
Each Additional0.1C
One Cylinder0.2C