GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 41778-1 Pump Body Bushing Installer/Remover
    • J 41778-2 Pump Body Bushing Position Stop

    Object Number: 1552939  Size: SH
  1. Inspect the oil pump body for the following:
  2. • Worn or damaged bushings
    • Foreign material or debris
    • Porosity
    • Scored or irregular mating faces
    • Cross channel leaks

    Object Number: 1552941  Size: SH
  3. Remove the front fluid seal retainer (244).
  4. Remove the oil seal assembly (243).

  5. Object Number: 1552942  Size: SH
  6. Using the J 41778-1  (1) with an arbor press, remove the pump body bushing (242).

  7. Object Number: 1552943  Size: SH
  8. Using J 41778-1  (1) with an arbor press, install a new pump body bushing (242).

  9. Object Number: 1552944  Size: SH
  10. Use the J 41778-2  (1) to make sure proper bushing depth.