GM Service Manual Online
For 1990-2009 cars only

    Object Number: 20232  Size: SH
  1. Inspect the end play with a feeler gauge for proper clearance. Proper clearance is 0.24-0.62 mm (0.009-0.024 in).
  2. If the clearance is out of specification on the low side, repair the differential assembly as necessary.
  3. If the clearance is out of specification on the high side, replace the differential assembly (116).