Installation

Figure 2 Cylinder Head:

INSTALLATION
1. Place the gasket in position over the dowel pins, with the note "This Side Up" showing.
2. Install cylinder head.
3. Coat cylinder head bolt threads with sealer GM P/N 52080 (or equivalent), install bolts, and torque bolts to 45 Nm (33 lb. ft.) + 90°, using J 36660. See Figure 2 for tightening sequence.
4. Install vacuum pipe nut.
5. Install left exhaust manifold and torque bolts to 28 Nm ( 21 ft. lb. ) Refer to Exhaust Manifold / Service and Repair.
6. Connect plug wires to spark plugs.
7. Install A/C and torque strut mounting bracket. Refer to Engine Mount / Locations. Locations Refer to Engine Mount / Service and Repair. Engine Mount
8. Install radiator hose to coolant pump.
9. Install radiator hose clamp at coolant pump.
10. Install A/C compressor then raise vehicle.
11. Install exhaust crossover pipe and torque nuts to 25 Nm ( 18 ft. lb. )
12. Install Intake manifold gasket and manifold. Refer to Intake Manifold / Service and Repair. Service and Repair
13. Inspect for proper fluid levels and for any leaks.

NOTE It is recommended that engine oil be drained and crankcase refilled with clean engine oil to avoid possible contamination by engine coolant and/or foreign material when removing cylinder head.