Full-Floating Axle Dana Model 80, 11 Inch Ring Gear

REMOVE OR DISCONNECT
^ Raise the vehicle and place jack stands under the frame side rails for support.
^ Drain the lubricant from the axle housing.

1. Propeller shaft.
2. Tire and wheel assembly.
3. Brake drum or hub and drum.
4. Parking brake cable from the lever and at the brake flange plate.
5. Hydraulic brake pipes from the connectors.
6. Shock absorbers from the axle brackets.
7. Vent hose from the axle vent fitting.
8. Height-sensing and brake proportioning valve linkage (if equipped).
- Support the assembly with a hydraulic floor jack.
9. Nuts and washers from the U-bolts.
10. 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. Spacers, 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 axle.
4. Height-sensing and brake proportioning valve linkage (if equipped).
5. Vent hose to the axle vent fitting.
6. Shock absorbers to the axle brackets.
7. Hydraulic brake lines to the connectors.
8. Parking brake cable to the lever and the flange plate.
9. Tire and wheel assembly.
10. Brake drum or hub and drum.
11. Propeller shaft.
- Tighten all fasteners.
12. Axle lubricant. Fill to the filler plug hole level.

Important:
^ Bleed the brake system, check operation and adjust if necessary.
^ Remove jack stands and lower vehicle.
^ Check axle and brake operation.
^ Check for fluid leaks and road test the vehicle.