C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
6. Adjust the intake and the exhaust valve clearance to 0.3 mm (0.012 inch) with the engine cold.
Shown are the valves that can be adjusted at number one COMPRESSION stroke TDC.
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Tighten valve adjusting screw lock nut to 22 Nm (16 ft. lbs.).
7. Turn the engine one turn in the normal direction and put the number one piston at Top Dead Center (TDC) of the exhaust stroke to adjust the
remaining valve clearance.
While turning the engine watch the exhaust valve to open and close. Align the mark on the crankshaft balancer with the pointer on the engine.
8. Loosen the valve clearance adjusting screws for the valves being adjusted.
9. Insert the feeler gauge between the tip of rocker arm and the valve bridge.
10. Adjust the valve clearance to 0.3 mm (0.0112 inch) with the engine cold.
Shown are the valves that can be adjusted at number one EXHAUST stroke TDC.
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Tighten valve clearance adjusting screw lock nut to 22 Nm (16 ft. lbs.).
11. Install both upper valve rocker arm covers.
