K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997)
Camshaft: Service and Repair
Installation
1. Install two or three 5/16-18 bolts 4-5 inches long into the camshaft threaded holes. Use these bolts as a handle for the camshaft installation.
2. Coat the camshaft lobes and the journals with engine oil supplement GM P/N 1052367 or equivalent.
3. Install the camshaft into the engine. Handle the camshaft carefully to prevent damage to the camshaft bearings.
4. Remove the 5/16-18 bolts from the camshaft.
5. Install camshaft retainer and retainer bolts.
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Tighten the camshaft retainer bolts to 14 Nm (10 ft. lbs.)
6. Install the timing chain and sprockets.
7. Install the valve lifters, the pushrods, and the valve rocker arms.
8. Install the intake manifold.
9. Install the engine front cover, please refer to Engine, Cooling and Exhaust/Engine/Timing Components/Timing Cover/Service and Repair/ See:
Timing Components/Engine Front Cover/Service and Repair
10. Install the valve rocker arm covers.
11. Install the generator and the bracket. Refer to Steering and Charging.
12. Install the radiator and A/C condenser assembly. Refer to Heating and Air Conditioning.
13. Install the grill.
14. Install the air cleaner intake duct.
15. Connect the negative battery cable.
16. Fill the cooling system with the proper quantity and grade of coolant. Refer to Cooling System.
17. Recharge the air conditioning system. Refer to Heating and Air Conditioning.
