GM Service Manual Online
For 1990-2009 cars only

    Object Number: 25655  Size: SH
  1. Inspect the stub shaft (58) for damage to the splines, the snap ring grooves, and the journals.
  2. Important: if the sleeve (56) appears damaged, replace the sleeve (56) using the same procedure for removal and installation as with the output shaft sleeve. Refer to Output Shaft and Sleeve Assembly Installation .

  3. Inspect the sleeve (56) for excessive wear, scratches or nicks the could cause a leak or damage the seal portion.
  4. Clean and dry the stub shaft and sleeve assembly.

  5. Object Number: 20828  Size: SH
  6. Install the two new snap rings (57) on the stub shaft (58). The snap rings (57) are not reusable after you remove the shaft (58).
  7. Install the stub shaft into the transmission. Use a mallet in order to install the shaft through the final drive differential gear.