Removal Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the camshaft cover. Refer to CAMSHAFT COVER REPLACEMENT .
Remove the engine front cover. Refer to ENGINE FRONT COVER REPLACEMENT .
Release the tension on the timing chain by moving the tensioner shoe in.

Fig 1: Releasing Tension On Timing Chain By Moving Tensioner Shoe In
Courtesy of GENERAL MOTORS CORP.
Place the tee into the tensioner to hold the shoe in place.

Fig 2: Placing Tee Into Tensioner
Courtesy of GENERAL MOTORS CORP.
Remove the top chain guide bolts.
Remove the top chain guide.

Fig 3: Removing Top Chain Guide
Courtesy of GENERAL MOTORS CORP.
Remove the exhaust camshaft position actuator bolt.
Remove the exhaust camshaft position actuator.

Fig 4: Removing Exhaust Camshaft Position Actuator
Courtesy of GENERAL MOTORS CORP.
Remove the intake camshaft sprocket bolt.
Remove the intake camshaft sprocket.
Remove the timing chain.
Remove the crankshaft sprocket.

Fig 5: Removing Intake Camshaft Sprocket And Timing Chain
Courtesy of GENERAL MOTORS CORP.
Remove the cylinder head access hole plugs.

Fig 6: Removing Cylinder Head Access Hole Plugs
Courtesy of GENERAL MOTORS CORP.
Remove the timing chain tensioner shoe bolt.
Remove the timing chain tensioner shoe.

Fig 7: Removing Timing Chain Tensioner Shoe
Courtesy of GENERAL MOTORS CORP.
Remove the timing chain tensioner guide bolts.
Remove the timing chain tensioner guide.

Fig 8: Removing Timing Chain Tensioner Guide
Courtesy of GENERAL MOTORS CORP.
Remove the timing chain tensioner bolts.
Remove the timing chain tensioner.

Fig 9: Removing Timing Chain Tensioner
Courtesy of GENERAL MOTORS CORP.