GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 23907 Slide Hammer
    • J 26941 Extension Housing Seal Remover
    • J 39440 Extension Housing Seal Installer

Removal Procedure


    Object Number: 349689  Size: SH
  1. Remove the propeller shaft. Refer to One-Piece Propeller Shaft Replacement in Propeller Shaft.
  2. Remove the main shaft seal using J 23907 and J 26941 .

Installation Procedure


    Object Number: 349677  Size: SH
  1. Install the main shaft seal using J 39440 .
  2. Lubricate the inside diameter of the seal. Use only DEXRON® III automatic transmission fluid.
  3. Install the propeller shaft. Refer to One-Piece Propeller Shaft Replacement in Propeller Shaft.
  4. Inspect the transmission fluid level. Refer to Transmission Fluid Level Inspection .
  5. Add transmission fluid, if necessary.