Removal & Installation: Camshaft: Inspection
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Inspect camshaft lobes for signs of flaking or flat spots. Measure camshaft journal diameter. Determine oil clearance. Replace camshaft and/or bearings as necessary if not within specification. See CAMSHAFT table under ENGINE SPECIFICATIONS.