Timing Belt: Service and Repair

1. Disconnect battery ground cable.
2. Remove engine side cover attaching bolts, then the engine side cover.
3. Remove A/C and power steering drive belts, if equipped.
4. Remove alternator and alternator drive belt.
5. Remove water pump pulley, then the crankshaft pulley and baffle plate.
6. Remove upper and lower timing belt cover.

Fig. 42 Aligning camshaft pulley. SOHC engine:

7. Turn crankshaft to align matching mark of camshaft pulley with cylinder head and cylinder head cover timing mark, Fig. 42.
8. Mark direction of rotation on timing belt to ensure correct position during installation.
9. Remove timing belt tensioner and spring, then the timing belt.
10. Inspect timing belt, timing belt pulley, camshaft pulley and timing belt tensioner and spring. Replace defective parts as required.

Fig. 39 Aligning timing belt pulley:

11. Ensure timing mark on timing belt pulley is aligned with case matching mark, Fig. 39.

Fig. 42 Aligning camshaft pulley. SOHC engine:

12. Ensure matching mark on camshaft pulley is aligned with cylinder head cover matching mark, Fig. 42.
13. Install timing belt tensioner and spring, then temporarily secure spring in fully extended position.
14. Install timing belt. Timing belt must be install in same direction of previous rotation.
15. Remove all spark plugs, then loosen tensioner lock bolt.
16. Turn crankshaft twice in direction of rotation, then align matching marks.
17. If timing marks are not correctly aligned, repeat steps 11 through 16.
18. Torque timing belt tensioner lock bolt to 14-19 ft.lbs.
19. Measure timing belt tension using a suitable tool. If timing belt tension is not 22 lbs., loosen tensioner lock bolt and turn crankshaft twice in direction of rotation. Torque timing belt tensioner lock bolt to 14-19 ft.lbs.
20. Install lower and upper timing belt cover, then the cover attaching bolts. Torque attaching bolts to 69-95 inch lbs.
21. Install spark plugs.
22. Install baffle plate, crankshaft pulley and water pump pulley, then the alternator and drive belt.
23. Install A/C and power steering drive belt, if equipped, then the engine side cover.