| 1. |
Loosen vent hose clamp at air cleaner
resonator, air cleaner intake duct clamp at air cleaner outlet resonator. |
| 2. |
Loosen air cleaner outlet resonator
to throttle body clamp, located forward of accelerator cable bracket.
Remove air cleaner resonator to accelerator bracket bolt. |
| 3. |
Remove throttle body resonator, air
cleaner intake duct and vent hose. |
| 4. |
Disconnect accelerator and cruise control
cables from throttle body, then the bracket. |
| 6. |
Remove fuel line brackets and brake
booster hose pipe from brackets. |
| 7. |
Remove mounting screw, ignition coil
and Ignition Control Module (ICM). |
| 9. |
Remove mounting bolts and camshaft
cover. |
| 10. |
Remove upper timing chain guide. |
| 11. |
Remove both intake and exhaust camshaft
sprocket bolts using camshaft sprocket holding tool No. J43655,
or equivalent. |
| 12. |
Slide camshaft sprockets forward. |
| 13. |
On intake side, remove power
steering pump. |
| 14. |
On both sides, mark bearing
caps for installation reference. |
| 16. |
Remove exhaust and intake camshafts. |
| 17. |
Remove camshaft roller followers. |
| 18. |
Remove hydraulic element lash adjusters. |
| 19. |
Reverse procedure to install, noting
the following: |
| |
a. |
Lubricate valve tips using suitable
lubricant. |
| |
b. |
Ensure alignment notches are aligned
with camshaft sprocket. |
| |
c. |
Torque camshaft bearing cap
bolts in three increments to 89 inch lbs. |
| |
d. |
Apply anaerobic sealer bead, GM part
No. 1052942, or equivalent, to rear intake camshaft bearing cap. |
| |
e. |
Torque camshaft sprocket bolts
to 63 ft. lbs. |
| |
f. |
Final tighten bolts an additional 30°. |
|
Belt Tension Data
Compression Pressure