Camshaft Cleaning and Inspection

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

Inspect the camshaft journals and lobes for wear or scoring.
Inspect the camshaft sprocket alignment notch for damage.
Inspect the camshaft cover for damage or loose oil control baffles.
Clean the camshaft cover
Wash the camshaft in solvent.
Oil the camshaft
Inspect the camshaft cover for cracks or other sings of damage.

Fig 1: Inspecting Camshafts & Camshaft Cover
Courtesy of GENERAL MOTORS CORP.