Upper Oil Pan Cleaning and Inspection

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Upper Oil Pan

Courtesy of GENERAL MOTORS CORP.

Clean the upper oil pan.
Carefully clean the sealer from the threaded holes.
Inspect the upper oil pan for cracks.
Inspect the upper oil pan sealing surfaces for damage.
Replace the upper oil pan if any damage is found.