GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 470910  Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement.
  2. Remove the oil pump drive bolt.
  3. Remove the oil pump drive.
  4. Clean and inspect the oil pump drive.

Installation Procedure


    Object Number: 470910  Size: SH
  1. Apply grease to the oil pump drive gear for ease of assembly.
  2. Caution: Refer to Fastener Caution in the Preface section.

    Note: Correct alignment of the oil pump drive and oil pump drive shaft is critical. Make sure both components mate correctly, or engine damage may occur.

  3. Line up the oil pump drive gear with the oil pump drive shaft.
  4. Install the oil pump, making sure that the oil pump drive is fully seated in the engine block.
  5. Tighten
    Tighten the oil pump drive bolt to 25 N·m (18 lb ft).

  6. Install the intake manifold. Refer to Intake Manifold Replacement.