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Home >> GMC >> 2002 >> Sierra 2500, 4D Pickup Extra Cab, LQ4, Part Time >> Repair and Diagnosis >> Engine Performance >> Engine Controls - On-Vehicle Adjustments >> Valve Clearance

Valve Clearance

NOTE: All engines are equipped with hydraulic lifters, except for 6.6L diesel engine. Adjustments are not required. The 6.6L diesel engine is equipped with mechanical roller lifters. Adjustment is not required as routine service. Adjustment is only performed after disassembly of engine components. See 6.6L V8 DIESEL in ENGINES.
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