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Home >> GMC >> 1978 >> Magnavan 6.6L Eng VIN R >> Labor Times >> Other Variant >> Engine Performance >> Ignition Systems >> Engine Cylinder Leakage >> Testing

Engine Cylinder Leakage: Testing

WARNING: This page is about the Magnavan 4.8L Eng VIN T, Automatic Trans, which is a different variant/trim than selected.
Includes: Engine Compression - Test.

Applies ToNoteStandard HoursWarranty HoursSkill Level
In-Line6, One Cylinder1.2C
Each Additional0.1C
Additional Procedure: ENGINE CYLINDER LEAKAGE: Testing:
Where Air Cond interferes add0.3C
Where Air Pump interferes add0.3C