GM Service Manual Online
For 1990-2009 cars only

Cleaning Procedure

  1. Remove any sealant from the engine front cover.
  2. Clean out debris from the bolt holes.
  3. Clean the engine front cover in solvent.
  4. Caution: Wear safety glasses in order to avoid eye damage.

  5. Dry the engine front cover with compressed air.

Inspection Procedure


    Object Number: 576605  Size: SH
  1. Inspect the exterior of the engine front cover for the following conditions:
  2. • Damage to the water pump bolt hole threads (1)
    • Gouges or damage to the water pump sealing surfaces (2)
    • Damage to the drain plug or drain plug hole (3)
    • Damage to the crankshaft front oil seal bore (4)
    • Damage to the engine front cover bolt holes (5)
    • Damage and/or corrosion to the engine coolant passage (6)
    • Dents or damage to the exterior

    Object Number: 576608  Size: SH
  3. Inspect the interior of the engine front cover for the following conditions:
  4. • Gouges or damage to the engine front cover sealing surfaces (1)
    • Damage and/or corrosion to the engine coolant passage (2, 4, 5)
    • Damage to the crankshaft front oil seal bore (3)
  5. Repair or replace the engine front cover as necessary.