Camshaft Cleaning and Inspection

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Camshaft And Camshaft Cover

Courtesy of GENERAL MOTORS CORP.

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 signs of damage.