Semi-Floating Axle 8-1/2, 9-1/2 Inch Ring Gear

^ Raise the vehicle on a hoist and support the axle assembly with a suitable lifting device.
^ Drain the lubricant from the axle housing.

REMOVE OR DISCONNECT
1. Propeller shaft.
- Tie the propeller shaft to a side rail or crossmember.
- Tape the bearing cups to prevent loss of the needle bearings.
2. Wheel and brake drum or hub and drum assembly.
3. Parking brake cable from the lever and at the brake backing plate.
4. Hydraulic brake pipes from the connectors.
5. Shock absorbers from the axle brackets.
6. Vent hose from the axle vent fitting.
7. Height sensing and brake proportional valve brackets (if used).
- Support the assembly with a hydraulic floor jack.
8. Nuts and washers from the U-bolts.
9. U-bolts, spring plates, and spacers from the axle assembly.
- Lower the jack and the axle assembly.

INSTALL OR CONNECT

NOTICE: Always use the correct fastener in the proper location. When you replace a fastener, use ONLY the exact part number for that application. The manufacturer will call out those fasteners that require a replacement after removal. The manufacturer will also call out the fasteners that require thread lockers or thread sealant. UNLESS OTHERWISE SPECIFIED, do not use supplemental coatings (paints, greases, or other corrosion inhibitors on threaded fasteners or fastener joint interfaces. Generally, such coatings adversely affect the fastener torque and joint clamping force, and may damage the fastener. When you Install fasteners, use the correct tightening sequence and specifications. Following these instructions can help you avoid damage to parts and systems.

1. Axle assembly under the vehicle.
- Align the axle assembly with the springs.
2. Spacer, spring plates, and U-bolts to the axle assembly.
- Raise the axle assembly.
3. Washers and nuts to the U-bolts.
- Thread the nuts on firmly.
- Adjust alignment of semi-float axles.
4. Height sensing and brake proportional valve linkage (if used).
5. Vent hose to the axle vent fitting (if used).
6. Shock absorbers to the axle brackets.
7. Hydraulic brake pipes to the connectors.
8. Parking brake cable to the lever and the backing plate.
9. Wheel and brake drum or hub and drum assembly.
10. Propeller shaft.
- Tighten all fasteners to SPECIFICATIONS.

Important:
A. Check axle lubricant level at the filler plug hole. Lubricate as needed.
B. Bleed the brake system, check operation, and adjust if necessary.
C. Check axle and brake operation.
D. Check for fluid leaks and road test the vehicle.