GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 36850 Assembly Lubricant
    • J 38694 Extension Housing Seal Installer
    • J 38869 Rear Extension Seal Installer

For equivalent regional tools, refer to Special Tools.


    Object Number: 40647  Size: SH
  1. Install the prop shaft front slip yoke oil seal assembly (20) (model dependent) with the J 38869 rear extension seal installer or the J 38694 seal installer (for fixed yoke applications). Apply J 36850 lubricant or equivalent to the spring pocket of the seal.

  2. Object Number: 40648  Size: SH
  3. Install the transmission output shaft yoke seal sleeve (682) and the output shaft seal (683) (for some models).
  4. Install the output shaft seal (675) (for some models).
  5. Install the bearing spacer (18), case extension ball bearing assembly (17) and the bearing retainer ring (16) (for some models).
  6. Install the case extension seal (15) onto the case extension assembly (19).
  7. Install the case extension assembly (19) onto the transmission case.
  8. Caution: Refer to Fastener Caution in the Preface section.

  9. Install the case extension bolts (21). Tighten the bolts to 34 N·m (25 lb ft).