Camshaft Timing

Timing Drive Components Camshaft Timing

Special Tools And Equipment, Part 1:

Special Tools And Equipment, Part 2:

Special Tool(s)

1. With the vehicle in neutral, position it on a hoist.
2. Remove the intake manifold.
3. Remove the fuel supply manifold.
4. Remove the accessory drive belt.
5. Remove the thermostat housing.
6. Remove the roller followers.

7. NOTE: You must retime the LH and RH camshafts when either camshaft is disturbed.

Turn the crankshaft clockwise to position the number one cylinder at Top Dead Center (TDC).







8. NOTE: The special tool must be installed on the damper and should contact the engine block to position the engine at TDC.

Install the special tool.






9. Notice: The righthand camshaft sprocket bolt is a lefthand threaded bolt.

NOTE: If necessary, use camshaft gear torque adapter (303565) to loosen the camshaft sprocket bolt.

Using the special tool, loosen the RH camshaft sprocket bolt.






10. NOTE: The camshaft timing slots are off-center.

Position the camshaft timing slots below the centerline of the camshaft to correctly fit the special tools. Install the special tools on the front of the RH cylinder head.





11. Remove the RH lower splash shield.





12. Remove the RH camshaft tensioner.






13. NOTE: Leave the top two special tool clamp bolts loose.

Install the special tools on the rear of the RH cylinder head.





14. Install the special tool.






15. Notice: The righthand camshaft sprocket bolt is a lefthand threaded bolt.

NOTE: If necessary, use camshaft gear torque adapter (303565) to tighten the camshaft sprocket bolt.

Tighten the bolts.
1 Tighten the special tool top two clamp bolts to 10 Nm (89 inch lbs.).
2 Tighten the camshaft bolt.





16. Install the RH camshaft tensioner.





17. Install the RH lower splash shield.





18. Remove the LH camshaft tensioner.





19. Install the special tools on the front of the LH cylinder head and tighten the top two clamp bolts to 10 Nm (89 inch lbs.).





20. Loosen the LH camshaft sprocket bolt.
21. Loosen the top two clamp bolts on the special tool to allow the camshaft sprocket to rotate freely.






22. NOTE: The camshaft timing slots are off-center.

Position the camshaft timing slots below the centerline of the camshaft to correctly fit the special tools. Install the special tools on the rear of the LH cylinder head.





23. Install the special tool.





24. Tighten the bolts.
1 Tighten the special tool top two clamp bolts to 10 Nm (89 inch lbs.).
2 Tighten the camshaft bolt.





25. Install the LH camshaft tensioner.
26. Install the roller followers.
27. Install the thermostat housing.
28. Install the accessory drive belt.
29. Install the fuel supply manifold.
30. Install the intake manifold.
31. Install the RH valve cover.
32. Install the LH valve cover.