Cylinder Head Assembly: Service and Repair

1. Disconnect battery ground cable, then isolate cable end with electrical tape.
2. Drain cooling system, then remove air intake system.
3. Remove power steering hose hold-down bracket bolts from cylinder head cover.
4. Remove power steering pump belt shield, then loosen adjusting bolt.
5. Loosen lock bolt and power steering pump through bolt.
6. Remove power steering belt.
7. Loosen alternator adjusting bolt, then loosen alternator upper mounting bolt.
8. Raise and support vehicle, then remove righthand splash shield.
9. Loosen lower alternator through bolt, lower vehicle and remove alternator belt.
10. Remove power steering pump through bolt and lock bolt, then position pump aside.
11. Remove alternator bracket nut and bolt, then position bracket aside.
12. Remove exhaust manifold.
13. Carefully remove cylinder head cover.
14. Remove timing belt.
15. Disconnect distributor/coil connectors, then all connectors at coolant temperature sensor housing.
16. Remove coolant temperature sensor housing from cylinder head and discard gasket.
17. Remove two distributor cap attaching screws, then the distributor cap. Position cap and wires aside.
18. Rotate engine until No. 1 piston is at TDC on compression stroke.
19. Remove two distributor hold-down bolts, then the distributor.
20. Remove camshafts.

Fig. 10, Cylinder Head Bolt Loosening Sequence:

21. Remove cylinder head bolts in sequence. Discard bolts.
22. Remove cylinder head and gasket from engine, then discard gasket.
23. Reverse procedure to install, noting the following:
a. Ensure cylinder head and cylinder block mating surfaces are clean.
b. Do not reuse cylinder head bolts.

Fig. 11, Cylinder Head Bolt Tightening Sequence:

c. Torque new cylinder head bolts in sequence in two steps to 13-16 ft lb. After initial tightening, apply a paint mark to cylinder head bolts, then tighten bolts an additional 85-95° in sequence. Turn all bolts an additional 85-95°.
d. Ensure timing marks are aligned on distributor shaft and distributor housing.