GM Service Manual Online
For 1990-2009 cars only

Special Tools

EN 49485 Gasket Remover

For equivalent regional tools, refer to Special Tools.

Cleaning Procedure

  1. Remove any old thread sealant, gasket material or sealant using EN 49485 remover .
  2. Clean the oil pan and oil pan components in solvent.
  3. Clean out debris from the bolt holes.
  4. Warning: Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.

  5. Dry the oil pan and oil pan components with compressed air.

Inspection Procedure


    Object Number: 1828696  Size: SH
  1. Inspect the exterior of the oil pan for the following conditions:
  2. • Damage to the drain plug hole threads (1)
    • Dents, cracks or damage to the exterior (2)
    • Damage to the oil pan mounting holes (3)
    • Damage to the transmission mounting bolt hole threads (4)
    • Damage to the bracket bolt hole threads (5)

    Object Number: 1828697  Size: SH
  3. Inspect the exterior of the oil pan for the following conditions:
  4. • Dents, cracks or damage to the exterior (1)
    • Damage to the engine mount brace bolt hole threads (2)
    • Damage to the engine front cover bolt hole threads (3)
    • Damage to the A/C compressor mounting bolt hole threads (4)
    • Damage to the oil pan mounting holes (5)

    Object Number: 1828700  Size: SH
  5. Inspect the interior of the oil pan for the following conditions:
  6. • Damage to the oil pan baffle scraper bolt hole threads (1)
    • Damage or gouges to the oil pan sealing surface (2)
    • Damage to the oil suction tube mounting upper bracket bolt hole threads (3)
    • Damage to the oil suction tube mounting lower bracket bolt hole threads (4)

    Object Number: 1318093  Size: SH
  7. Inspect the oil pan baffle scraper for damage.
  8. Repair or replace the oil pan and/or oil pan components as necessary.