Installation - Standard and Trac-Lok

DIFFERENTIAL

INSTALLATION

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





1. Position Spreader W-129-B and adapters from Adapter set 6987, with the tool dowel pins seated in the locating holes (Fig. 46). Install hold-down clamps and tighten turnbuckle finger-tight.
2. Install Pilot Stud C-3288-B at the left side of the differential housing. Attach Dial Indicator C-3339 to pilot stud. Load indicator plunger against the opposite side of the housing and zero the indicator.
3. Spread housing while measuring the distance with the dial indicator.

CAUTION: Never spread over 0.38 mm (0.015 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 in their original locations (Fig. 47).
7. Loosely install differential bearing cap bolts.
8. Remove axle housing spreader.
9. Tighten bearing cap bolts to 108 Nm (80 ft. lbs.).
10. Install axle shafts.
11. Install cover and identification tag.