RAM 3500 Van V8-360 5.9L VIN 5 Magnum (1998)
Ring Gear: Service and Repair
Rear Axle - 248RBI
The ring and pinion gears are service in a matched set. Do not replace the ring gear without replacing the pinion gear.
REMOVAL
1. Remove differential from axle housing.
Ring Gear Removal
2. Place differential case in a suitable vise with soft metal jaw protectors.
3. Remove bolts holding ring gear to differential case.
4. Using a soft hammer, drive ring gear from differential case.
5. Use a brass drift and slowly tap the exciter ring from the differential case.
INSTALLATION
CAUTION: Do not reuse the bolts that held the ring gear to the differential case. The bolts can fracture causing extensive damage.
1. Invert the differential case.
2. Position exciter ring on differential case.
3. Using a brass drift, slowly and evenly tap the exciter ring into position.
4. Invert the differential case and start two ring gear bolts. This will provide case-to-ring gear bolt hole alignment.
5. Invert the differential case in the vise.
Ring Gear Bolt Installation
6. Install new ring gear bolts and alternately tighten to 163-190 Nm (120-140 ft. lbs.) torque.
7. Install differential in axle housing and verify gear mesh and contact pattern.
