Oil Pan Cleaning and Inspection

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Clean the oil pan in solvent. Remove all sludge and debris from the oil pan.
IMPORTANT: Do not use a motorized tool or bristle disc to clean this component.

Fig 1: Oil Pan Cleaning And Inspection

Courtesy of GENERAL MOTORS CORP.

Remove all sealing material from the oil pan rails.
Inspect the oil pan sealing surfaces for nicks or damage. Remove any minor nicks with a fine flat file.
Inspect the threads in the oil drain plug hole.
Replace the oil pan if necessary.