Oil Pan Cleaning and Inspection

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

Remove the oil pan baffle bolts and the oil pan battle.

Fig 1: Removing Oil Pan Baffle Bolts
Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to SAFETY GLASSES CAUTION in Cautions and Notices.
Clean the oil pan and oil pan baffle in cleaning solvent.
Dry the oil pan and oil pan baffle with compressed air.
Inspect the oil pan for the following:

Fig 2: Inspecting Oil Pan
Courtesy of GENERAL MOTORS CORP.
- Gouges or damage to the oil pan sealing surfaces (1)
- Damage to the threaded holes (2)
- Damaged oil pan drain hole threads (3)
- Damage to the oil pan baffle
- Damage to the exterior of the oil pan
  A damaged oil pan may interfere with the proper position of the oil pump screen, or may not distribute oil properly in the oil pan sump area.
NOTE: Refer to FLEX DECOUPLER NOTICE in Cautions and Notices.
Install the oil pan baffle and the bolts.

Fig 3: Installing Oil Pan Baffle
Courtesy of GENERAL MOTORS CORP.

Tighten

Tighten the oil pan baffle bolts to 12 N.m (106 lb in).