GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1564175  Size: SH
  1. Remove the water pump housing. Refer to Engine Coolant Crossover Pipe Replacement .
  2. Remove the water pump cover bolt/studs.
  3. Remove the water pump cover.

  4. Object Number: 1564207  Size: SH
  5. Remove the water pump bolts.
  6. Remove the water pump.

  7. Object Number: 1564167  Size: SH
  8. Remove and discard the water pump O-ring seal.

Installation Procedure


    Object Number: 1564167  Size: SH
  1. Install a NEW water pump O-ring seal.

  2. Object Number: 1564207  Size: SH
  3. Install the water pump.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the water pump bolts.
  6. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 1564175  Size: SH
  7. Remove the water pump cover.

  8. Object Number: 682832  Size: SH

    Important: Ensure that the bolt is installed in the lower inboard position (1) and the studs are installed in the remaining positions (2).

  9. Remove the water pump cover bolt/studs.
  10. Tighten
    Tighten the bolt/studs to 10 N·m (89 lb in).

  11. Install the water pump housing. Refer to Engine Coolant Crossover Pipe Replacement .