Colorado 4WD L5-3.5L VIN 6 (2005)
6. Complete the following in order to install the J 44217 (1) and EN-44217-45 (1).
6.1.
Install the hook portion of the timing chain retention tools into one of the timing chain links near the timing chain shoe on both sides of the
engine.
6.2.
Tighten the wing-nuts.
6.3.
Ensure the hooks are still in one of the links and the gage blocks of the tool are firmly in place on the edge of the head.
7. Remove the intake camshaft sprocket bolt. Discard the bolt.
8. Remove the intake camshaft sprocket.
9. Clean and inspect the sprocket.
Installation Procedure
1. Install the intake camshaft sprocket into the timing chain. Aligning the marked link (1) on the timing chain with the timing mark on the intake
camshaft sprocket.