Colorado 4WD L5-3.5L VIN 6 (2005)
5. Using the timing marks on the following as a reference, make a mark on the timing chain links (1) adjacent to them:
^
The exhaust camshaft position actuator sprocket
^
The Intake camshaft sprocket
^
The crankshaft sprocket
6. Release the tension on the timing chain by moving the tensioner shoe in.
7. Place the tee into the tensioner to hold the shoe in place.