GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 37789-A Oil Pump Remover/Installer
    • J 39119 Oil Pump Remover/Installer Adapter

    Object Number: 190208  Size: SH
  1. Remove all pump bolts (2).
  2. Install J 39119 over stator shaft until it locks under splines.
  3. Install J 37789-A .

  4. Object Number: 190213  Size: SH
  5. To prevent slipping, securely fasten theJ 37789-A around the J 39119 by tightening the bolt (1) with a wrench.
  6. Turn the T-handle on top of J 37789-A .
  7. Lift the pump out of the case.

  8. Object Number: 190431  Size: SH
  9. Remove the pump cover to case gasket (6).

Tools Required

    • J 37789-A Oil Pump Remover/Installer
    • J 39119 Oil Pump Remover/Installer Adapter

    Object Number: 190208  Size: SH
  1. Remove all pump bolts (2).
  2. Install J 39119 over stator shaft until it locks under splines.
  3. Install J 37789-A .

  4. Object Number: 190213  Size: SH
  5. To prevent slipping, securely fasten the J 37789-A around the J 39119 by tightening the bolt (1) with a wrench.
  6. Turn the T-handle on top of J 37789-A .
  7. Lift the pump out of the case.

  8. Object Number: 1447835  Size: SH
  9. Some Models use an external fluid pump seal (5) that can be removed after the pump is removed.
  10. Remove the pump cover to case gasket (6).