Installation

INSTALLATION

NOTE: If replacement differential bearings or differential case are being installed, differential side bearing shim requirements may change. Refer to Adjustments (Differential Bearing Preload and Gear Backlash) to determine the proper shim selection.





1. Position Spreader W-129-B and Adapter Kit 6987, with the tool dowel pins seated in the locating holes (Fig. 56). Install holddown clamps and tighten turnbuckle finger-tight.





2. Install a Pilot Stud C-3288-B at the left side of the differential housing. Attach Dial Indicator C-3339 to pilot stud. Load the lever adapter against the opposite side of the housing (Fig. 57) and zero indicator.





3. Spread housing while measuring the distance with the dial indicator (Fig. 58).

CAUTION: Do not spread over 0.50 mm (0.020 inch). Failure to heed caution may result in damage.

4. Remove dial indicator.
5. Install differential case in the housing. Tap differential case to seat bearings cups in the housing.





6. Install bearing caps at their original locations (Fig. 59).
7. Loosely install differential bearing cap bolts.
8. Remove axle housing spreader.
9. Tighten bearing cap bolts to 61 Nm (45 ft. lbs.).
10. Install hub bearings and axle shafts.
11. Install differential cover.