Cylinder Head Assembly: Service and Repair

1. Relieve fuel system pressure.
2. Disconnect battery ground cable, then drain cooling system.
3. Remove air cleaner assembly and outlet tube, then remove intake manifold.
4. Remove drive belt, then upper timing belt cover.
5. Remove lefthand idler pulley and bracket assembly.
6. Raise and support vehicle, then remove righthand wheel and inner fender splash shield.
7. Remove crankshaft damper pulley, then lower timing belt cover.

Timing Mark Alignment:

8. Align timing marks as shown.
9. Release tension on timing belt by loosening tensioner attaching nut, then rotate tensioner with a hex head wrench.
10. Lower vehicle until wheels touch and keep supported on hoist.
11. Disconnect crankshaft sensor wiring assembly, then the center cover.

Fig. 7 Installing Timing Belt:

12. Remove timing belt. Note location of KOA or KOB on timing belt for proper installation.
13. Remove cylinder head covers.
14. Remove camshaft timing pulleys.
15. Remove upper rear and center timing belt covers.
16. If lefthand side head is being removed, remove coil bracket and dipstick tube. If righthand side head is being removed, remove coolant outlet hose.
17. Remove exhaust manifold from lefthand cylinder head. On righthand cylinder head, exhaust manifold is removed with the head.
18. Reverse procedure to install, noting the following:
a. Lightly oil all bolts and nuts with oil.

Cylinder Head Bolt Tightening Sequence:

b. Using cylinder head bolt tightening sequence shown, torque bolts in two steps as follows: first step to 37-50 ft lb, second step to 62-68 ft lb.