Inspection Procedure

Fig 1: Oil Pan Inspection Points

Courtesy of GENERAL MOTORS COMPANY

Inspect the exterior of the oil pan for the following conditions:
- Dents or damage to the exterior (2)
- Damage to the drain plug or drain plug hole (1)
- Damage to the brace mounting bosses (4)
- Damage to the mounting bosses (3)

Fig 2: Oil Pan Scraper Inspection Points

Courtesy of GENERAL MOTORS COMPANY

Inspect the interior of the oil pan for the following conditions:
- Gouges or damage to the oil pan sealing surfaces (1)
- Damage to the oil pan scraper mounting holes (2)
- Damage to the bolt holes (3)
- Damage to the engine oil level switch hole (4)
Repair or replace the oil pan and/or oil pan components as necessary.