Cylinder Head Assembly: Service and Repair

Fig. 2 Cylinder head bolt tightening sequence:

1987
1. Disconnect battery ground cable.
2. Remove intake manifold as described under ``Intake Manifold, Replace.''
3. Remove exhaust manifold as described under ``Exhaust Manifold, Replace.''
4. Remove AIR pipe at rear of cylinder head.
5. Remove AIR pump attaching bolt and spacer at cylinder head.
6. Remove engine accessory bracket bolts and studs at cylinder head.
7. Remove wire harness and clip at rear of cylinder head.
8. Disconnect spark plug wires and remove spark plugs.
9. Remove valve cover and pushrods.
10. Remove cylinder head attaching bolts, then the cylinder head and gasket.
11. Reverse procedure to install, noting the following:
a. On engine using a steel gasket, apply a suitable sealant to both sides of gasket.
b. On engines using a steel asbestos gasket, do not use any sealant on gasket.
c. Apply suitable sealing compound to cylinder head bolt threads prior to installation.
d. Torque cylinder head attaching bolts to specifications in sequence shown, Fig. 2.

Fig. 2 Cylinder head bolt tightening sequence:

1987
1. Disconnect battery ground cable.
2. Remove intake manifold as described under ``Intake Manifold, Replace.''
3. Remove exhaust manifold as described under ``Exhaust Manifold, Replace.''
4. Remove AIR pipe at rear of cylinder head.
5. Remove engine accessory bracket bolts and studs at cylinder head. It may be necessary to loosen remaining bracket bolts to provide clearance for head removal.
6. Remove fuel pipes and brackets at rear of cylinder head.
7. Disconnect coolant sensor electrical connector, then remove cruise control transducer bracket, if equipped.
8. Disconnect spark plug wires and remove spark plugs.
9. Remove valve cover and pushrods.
10. Remove cylinder head attaching bolts, then the cylinder head and gasket.
11. Reverse procedure to install, noting the following:
a. On engine using a steel gasket, apply a suitable sealant to both sides of gasket.
b. On engines using a steel asbestos gasket, do not use any sealant on gasket.
c. Apply suitable sealing compound to cylinder head bolt threads prior to installation.
d. Torque cylinder head attaching bolts to specifications in sequence shown, Fig. 2.