GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 41227 Output Shaft Sleeve Remover
    • J 41228 Output Shaft Sleeve Installer

    Object Number: 1646287  Size: SH
  1. Inspect the sleeve (56) for excessive wear, scratches or nicks that could cause a leak or damage the seal. If the sleeve is damaged replace with a NEW seal.
  2. Using J 41227 remove the sleeve (56) from the shaft (94).

  3. Object Number: 20825  Size: SH

    Important: You must use the J 41228 in order to install the NEW sleeve onto the output and stub shafts. If you do not use the J 41228 , you will cause a fluid leak.

  4. Place a NEW sleeve (56) over the end of the output shaft (94).
  5. Install the collet into the output shaft snap ring groove with the collet attached to the threaded collet shaft.
  6. Place the NEW sleeve installing tube over the collet. Be sure the small outside diameter of the tube fits securely into the sleeve.
  7. Install the bearing and nut onto the threaded collet shaft.
  8. In order to move the installing tube and press the sleeve onto the output shaft, hold the end of the threaded collet shaft while tightening the nut down.
  9. Remove the J 41228 .

Special Tools

    • J 41227 Output Shaft Sleeve Remover
    • J 41228 Output Shaft Sleeve Installer

For equivalent regional tools, refer to Special Tools.


    Object Number: 1646287  Size: SH
  1. Inspect the sleeve (56) for excessive wear, scratches or nicks that could cause a leak or damage the seal. If the sleeve is damaged replace with a NEW seal.
  2. Using J 41227 remover the sleeve (56) from the shaft (94).

  3. Object Number: 20825  Size: SH

    Note: You must use the J 41228 sleeve installer in order to install the NEW sleeve onto the output and stub shafts. If you do not use the J 41228 sleeve installer , you will cause a fluid leak.

  4. Place a NEW sleeve (56) over the end of the output shaft (94).
  5. Install the collet into the output shaft snap ring groove with the collet attached to the threaded collet shaft.
  6. Place the NEW sleeve installing tube over the collet. Be sure the small outside diameter of the tube fits securely into the sleeve.
  7. Install the bearing and nut onto the threaded collet shaft.
  8. In order to move the installing tube and press the sleeve onto the output shaft, hold the end of the threaded collet shaft while tightening the nut down.
  9. Remove the J 41228 sleeve installer .