gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Computers and Control Systems > < Valve Clearance Specifications|Page 4167
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Valve Clearance: Adjustments

ROCKER ARM (VALVE) ADJUSTMENT

This engine uses hydraulic lifters and no valve adjustment is necessary. When the valve train requires service, tighten the valve rocker arm nuts to 25
Nm (19 lb. ft.).

Computers and Control Systems > < Valve Clearance Specifications|Page 4167