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GMC Truck
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2008
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Sierra 3500 2WD V8-6.6L DSL Turbo
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Valve Clearance
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Specifications
Valve Clearance: Specifications
^
Adjust the
valve clearance
to 0.3 mm (0.012 in). Refer to Valve Clearance Adjustment Specifications (
Specifications
) to determine which valves can be adjusted when the engine is at TDC.
^
Tighten the lock nut.