Final Assembly
- Clean differential case housing lip and apply a continuous bead of silicone sealant. Install cover and tighten bolts. Install axle shafts with "O" rings in place (8 1/2" ring gear). Install backing plates and propeller shaft, then tighten bolts.
- Install wheel bearings, seals, brake drums and wheels. Fill axle with lubricant. Adjust brakes if required.
AXLE ASSEMBLY SPECIFICATIONS
| Application | Specifications | ||
|---|---|---|---|
| Ring Gear Backface Runout | |||
| 7 1/2" Ring Gear | .003" | ||
| 8 1/2" Ring Gear | .004" | ||
| Side Gear Thrust Washer Thickness | .030-.032" | ||
| Pinion Gear Thrust Washer Thickness | .030-.032" | ||
| Nominal Pinion Shim Thickness | .030" | ||
| Ring Gear Backlash | .008-.015" | ||
| Maximum Backlash Variation Between Teeth | .004" | ||
| Pinion Bearing Preload | |||
| 7 1/2" Ring Gear (With Oil Seal) | |||
| Original Bearings | 16-29 INCH Lbs. | ||
| New Bearings | 16-29 INCH Lbs. | ||
| 8 1/2" Ring Gear | |||
| Original Bearings (With Oil Seal) | 8-14 INCH Lbs. | ||
| New Bearings | 16-29 INCH Lbs. | ||
TIGHTENING SPECIFICATIONS
| Application | Ft. Lbs. | |
|---|---|---|
| Bearing Cap Bolts | 70-85 | |
| Pinion Shaft Lock Bolt | 15-30 | |
| Ring Gear Attaching Bolts | 70-85 | |
| Rear Cover | 25-35 | |
| Pinion Nut | ||
| 7 1/2" Ring Gear | 170 | |
| 8 1/2" Ring Gear | 140 | |