GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 28410 Gasket Remover

Cleaning Procedure


    Object Number: 1961733  Size: SH
  1. Remove any RTV sealant (1) from the engine front cover using J 28410 .
  2. Clean out debris from the bolt holes.
  3. Clean the engine front cover (1) in solvent.
  4. Caution: Refer to Safety Glasses Caution in the Preface section.

  5. Dry the engine front cover (1) with compressed air.

Inspection Procedure


    Object Number: 1961755  Size: SH
  1. Inspect the exterior of the engine front cover for the following conditions:
  2. • Damage to the water pump bolt hole threads (7).
    • Gouges or damage to the water pump sealing surfaces (6).
    • Damage to the crankshaft front oil seal bore (5).
    • Damage to the camshaft position actuator solenoid seal bores (1).
    • Damage to the engine front cover bolt holes (2).
    • Damage and/or corrosion to the engine coolant passage (3).
    • Dents or damage to the exterior (4).

    Object Number: 1960800  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 to the cylinder block (7), oil pan (5), and/or camshaft covers (2).
    • Damage and/or corrosion to the engine coolant passage .(6)
    • Damage to the crankshaft front oil seal bore.
    • Gouges or damage to the O-ring sealing areas.
    • Gouges or damage to the water pump seal area (3).
    • Loose or damaged deadener plates (4).
    • Damage to the engine front cover bolt holes (1).
  5. Repair or replace the engine front cover as necessary.