Disassembly

Rear Axle - 248RBI / DIFFERENTIAL w/TRAC-LOC
DISASSEMBLY





1. Clamp side gear Holding Fixture 6965 in a vise and position the differential case on the Holding Fixture (Fig. 37).
2. Remove ring gear if the ring gear is to be replaced. The Trac-lok differential can be serviced with the ring gear installed.
3. Remove pinion gear mate shaft roll pin.





4. Remove pinion gear mate shaft with a drift and hammer.
5. Install and lubricate Step Plate C-6960-3 (Fig. 38).
6. Assemble Threaded Adapter C-6960-1 into top side gear. Thread Forcing Screw C-6960-4 into adapter until it becomes centered in adapter plate.





7. Position a small screwdriver in slot of Threaded Adapter Disc C-6960-3 (Fig. 39) to prevent adapter from turning.





8. Install Forcing Screw C-6960-4 and tighten screw to 122 Nm (90 ft. lbs.) maximum to compress Belleville springs in clutch packs (Fig. 40).





9. With a feeler gauge remove thrust washers from behind the pinion gears (Fig. 41).





10. Insert Turning Bar C-6960-2 into the pinion mate shaft hole in the case (Fig. 42).
11. Loosen the Forcing Screw in small increments until the clutch pack tension is relieved and the differential case can be turned using Turning Bar.
12. Rotate differential case until the pinion gears can be removed.
13. Remove pinion gears from differential case.
14. Remove Forcing Screw, Step Plate and Threaded Adapter.





15. Remove top side gear, clutch pack retainer and clutch pack. Keep plates in correct order during removal (Fig. 43).
16. Remove differential case from the Holding Fixture. Remove side gear, clutch pack retainer and clutch pack. Keep plates in correct order during removal.