Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Valve Clearance: Adjustments
Valve Clearance Adjustment
1. Remove the fan clutch.
2. Remove the upper valve rocker arm covers.
3. Rotate the crankshaft in order to bring the number 1 cylinder to Top Dead Center (TDC) of the compression stroke. The number 1 cylinder is the
front cylinder on the right bank. The mark on the crankshaft balancer should be aligned with the mark on the engine.
4. Loosen the valve adjusting screws.
5. Insert a feeler gauge between the tip of the rocker arm and the valve bridge.
