Backlash Inspection and Adjustment: Notes

Tools Required 

• J 33792  Side Bearing Adjustment Wrench. See Special Tools .
• J 42213  Adjuster Sleeve Socket. See Special Tools .

Fig 1: Installing J 33792 On Differential Bearing Adjuster Nut
Courtesy of GENERAL MOTORS CORP.
1. Slowly turn the J 33792  clockwise until the right differential adjuster nut sleeve contacts the differential case bearing. See Special Tools .
2. Install the J 42213  to the left differential adjuster nut sleeve. See Special Tools .
3. Slowly turn the J 42213  clockwise until the left differential adjuster nut sleeve contacts the differential case bearing. See Special Tools .
4. Mark the location of the adjuster nut sleeves in relation to the carrier halves.

   Ensure that the notches in the adjusting sleeves can be counted when turned.

5. Using the J 33792  , turn the right differential adjuster nut sleeve out two notches. See Special Tools .
6. Using the J 42213  , turn the left differential adjuster nut sleeve in one notch. See Special Tools .
7. Rotate the pinion several times in order to seat the bearings.