Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Monte Carlo and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Remove the engine front cover. Refer to Engine Front Cover Replacement .

Fig 1: Aligning The Dowel In The Camshaft With The Dowel Hole In The Camshaft Sprocket

GM187021

Courtesy of GENERAL MOTORS CORP.

Rotate the crankshaft until the timing marks in the following locations are aligned:
- The camshaft alignment pin (4).
- The timing chain dampener (1) to the crankshaft sprocket (2).

Fig 2: Camshaft Sprocket Bolt

GM190538

Courtesy of GENERAL MOTORS CORP.

Remove the camshaft sprocket bolt.

Fig 3: Camshaft Sprocket & Timing Chain

GM190539

Courtesy of GENERAL MOTORS CORP.

Remove the camshaft sprocket with the timing chain.

Fig 4: View Of Crankshaft Sprocket

GM760405

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft sprocket.

Fig 5: View Of Timing Chain Dampener & Bolts

GM59271

Courtesy of GENERAL MOTORS CORP.

Remove the timing chain dampener bolts.
Remove the timing chain dampener.

Fig 6: Camshaft Thrust Plate & Bolts

GM96021

Courtesy of GENERAL MOTORS CORP.

If necessary remove the camshaft thrust plate bolts.
Remove the camshaft thrust plate.
Clean and inspect the timing chain and the gears. Refer to Timing Chain and Sprockets Cleaning and Inspection .