Cylinder Head Assembly: Service and Repair

Fig. 4 Cylinder head bolt torque sequence:

1. Disconnect battery ground cable.
2. Drain cooling system.
3. Remove intake manifold as outlined under ``Intake Manifold, Replace'' procedure.
4. If removing left side cylinder head, remove the two cooling fans.
5. Remove appropriate exhaust manifold as outlined under ``Exhaust Manifold, Replace,'' procedure.
6. Remove ten cylinder head bolts.
7. Reverse procedure to install, referring to Fig. 4 for bolt tightening sequence. Torque cylinder head bolts in 3 steps as follows:
a. Torque all bolts to 38 ft. lbs. in specified sequence.
b. Torque all bolts to 74 ft. lbs. in specified sequence.
c. Torque bolts 1, 3 and 4 to 90 ft. lbs.