GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 45868 RWD Output Shaft Seal Installer

Removal Procedure

  1. Remove the rear propeller shaft. Refer to Propeller Shaft Replacement .

  2. Object Number: 1847538  Size: SH
  3. Remove the output shaft nut.
  4. Remove the output shaft flange.
  5. Remove the O-ring seal from the output shaft flange.
  6. Remove the output shaft flange dirt defector from the output shaft flange if necessary.

  7. Object Number: 1891489  Size: SH
  8. Remove the rear transmission housing seal from the extension housing using a suitable tool.

Installation Procedure


    Object Number: 1891488  Size: SH
  1. Install the new output shaft seal using the J 45868 .

  2. Object Number: 1847538  Size: SH
  3. Install the output shaft flange dirt defector to the output shaft flange if previously removed.
  4. Install the output shaft flange.
  5. Install the O-ring seal to the output shaft flange.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Install the output shaft nut.
  8. Tighten
    Tighten the nut to 113 N·m (83 lb ft).


    Object Number: 1847539  Size: SH
  9. Use a hammer and a punch to crimp the output shaft nut to the output shaft.
  10. Check the transmission fluid level. Add if necessary. Refer to Transmission Fluid Replacement .
  11. Install the rear propeller shaft. Refer to Propeller Shaft Replacement .