Important: When a new camshaft is being installed, use caution when installing the camshaft. Always install new valve lifters, engine oil and oil filter must be replacement at the same time.
1. Install the camshaft assembly to the engine block.
• Coat the camshaft lobes with camshaft and valve Prelube GM P/N 1052365.
• Lubricate the camshaft bearing journals with clean engine oil.
2. Install the spacer on the camshaft.
3. Install the camshaft thrust plate on the engine block.
Notice: Refer to Fastener Notice in Cautions and Notices.
4. Install the thrust plate retaining bolts
Tighten
Tighten the bolts to 2 3 N-m (17 Ib ft)
5. Install the timing chain and sprockets on the camshaft. Refer to Timing Chain and Sprockets Replacement.
6. Install the valve lifters in the engine block. Refer to Valve Lifter Replacement.
7. Install the cylinder head assembly on the engine block. Refer to Cylinder Head Replacement.
8. Install the pushrod s in the valve lifters. Refer to Valve Rocker Arm, Shaft, and Push Rod Replacement.
9. Install the valve rocker arm and shaft to the cylinder head. Refer to Valve Rocker Arm, Shaft, and Push Rod Replacement.
10. Install the valve rocker arm cover to the cylinder head. Valve Rocker Arm Cover Replacement.
11. Install the right exhaust manifold to the cylinder head. Refer to Exhaust Manifold Replacement (Right Side).
12. Install the left exhaust manifold to the cylinder head. Refer to Exhaust Manifold Replacement (Left Side).
13. Install the turbo charger to the right exhaust manifold. Refer to Turbocharger Replacement.
14. Install the oil pump drive in the engine block. Refer to Oil Pump Drive Replacement.
15. Install the radiator in the vehicle. Refer to Radiator Hose Replacement (7.4L) in Engine Cooling.
16. Install the air conditioning condenser to the vehicle. Refer to Condenser Replacement in HVAC.
17. Install the auxiliary engine oil cooler if equipped.
Refer to Engine Oil Cooler Line Replacement in Engine Cooling.
18. Install the front grille a n d parking lamp assembly to the vehicle.
19. Refill the cooling system. Refer to Drain Cock Replacement in Engine Cooling.
20. Connect both the battery negative cables to the batteries. Refer to Battery Cable in Engine Electrical.
21. Charge the air conditioning system. Refer to Refrigerant Recovery and Recharging in HVAC.
22. Perform TDC offset timing adjustment procedure.
Refer to TDC Offset Adjustment in E n g in e Controls-6.5L.
