Tools Required

J 45709 Limited Slip Differential Overhaul Kit - Dana 248

1. Remove the ring gear, if necessary. Refer to Drive Pinion and Ring Gear Replacement in Rear Drive Axle.
2. Remove the differential side bearings, if necessary. Refer to Differential Side Bearings Replacement in Rear Drive Axle.



3. Using a brass drift, remove the pinion shaft roll pin.
4. Remove the pinion shaft.



5. Install the J 45709-4 into a vise.
6. Install the differential assembly onto the J 45709-4.



7. Install the J 45709-3 (2) onto the lower differential side gear and the J 45709-2 (1) through the differential case as shown.

Notice: Refer to Fastener Notice in the Preface section.




8. Compress the side gear clutch disc packs by tightening the J 45709-2 (1) against the J 45709-3 (2).

Tighten
Tighten the J 45709-2 to 40 N·m (30 lb ft).




9. Remove the pinion gear thrust washers.

If the pinion gear thrust washers cannot be removed, continue to tighten the J 45709-2 as necessary until the pinion gear thrust washers can be removed.




10. Install the J 45709-1 (1) into the differential case pinion gear shaft bore.

Important: Only loosen the J 45709-2 until the differential case can be rotated.

11. While holding the J 45709-1 (1), turn the forcing screw of the J 45709-2 (3) counterclockwise to relieve the tension of the clutch disc packs against the differential case.
12. Once the tension between the clutch disc packs and the differential case has been relieved, rotate the differential case using the J 45709-1.



13. Remove the differential pinion gears.
14. Remove the J 45709-2 (1).
15. Remove the J 45709-3 (3).
16. Remove the differential side gears and clutch disc pack assemblies.

Important: Before removing the clutch disc packs, note their position and arrangement.

17. Remove the upper differential side gear and clutch disc pack.
18. Remove the lower differential side gear and clutch disc pack.