GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Drain the engine coolant. Refer to Cooling System Draining and Filling.
  2. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement.
  3. Remove the exhaust manifold. Refer to Catalytic Converter Replacement.
  4. Remove the timing belt. Refer to Timing Belt Replacement.
  5. Remove the oil pan. Refer to Oil Pan Replacement.
  6. Remove the power steering pump and bracket. Refer to Power Steering Pump Replacement.
  7. Remove the alternator. Refer to Generator Replacement.
  8. Remove the A/C compressor. Refer to Air Conditioning Compressor Replacement.

  9. Object Number: 2049581  Size: SH
  10. Remove the engine coolant pipe (1) bolts.
  11. Remove the engine coolant pipe (2) bracket bolt and then push the pipe into the oil cooler housing.

  12. Object Number: 2049582  Size: SH
  13. Remove the crankshaft sprocket (2).
  14. Remove the engine front cover assembly (3) with the gasket.

Inspection Procedure


    Object Number: 2049583  Size: SH
  1. Clean the measuring surface.
  2. Measure the axial clearance of rotors.
  3. If out-of-specifications, replace with a new one. Refer to Engine Mechanical Specifications.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2049582  Size: SH

    Note: Do not reuse the engine front cover gasket.

  1. Install the engine front cover assembly (3) with the new gasket.
  2. Tighten
    Tighten the engine front cover assembly bolts to 20 N·m (14.7 lb ft).

  3. Install the crankshaft sprocket (2).

  4. Object Number: 2049581  Size: SH
  5. Install the engine coolant pipe (1) bolts.
  6. Install the engine coolant pipe (2) bracket bolt and then push the pipe into the oil cooler housing.
  7. Install the A/C compressor. Refer to Air Conditioning Compressor Replacement.
  8. Install the alternator. Refer to Generator Replacement.
  9. Install the power steering pump and bracket. Refer to Power Steering Pump Replacement.
  10. Install the oil pan. Refer to Oil Pan Replacement.
  11. Install the timing belt. Refer to Timing Belt Replacement.