Wheel Hubs and Bearings - Full Floating Axle - Dana

Wheel Bearings, Wheel Hub Seal and Wheel Bearing Cups

Special Tools:

F-350










F-450 and F-550










Removal

1. Remove the rear wheel hub. For additional information, refer to Wheel Hub Wheel Hubs and Bearings - Full Floating Axle - Dana.

2. Remove the rear hub seal and the inner rear wheel bearing.
- Discard the rear hub seal.






3. If not done previously, remove the 8 bolts and separate the rear hub from the brake disc.






4. Clean all the old grease and axle lubricant out of the rear hub.

5. Remove the inner and outer bearing cups.
1. For model 80, use Rear Wheel Hub Bearing Cup Remover 205-421 and Adapter 205-153 to remove the inner bearing cup. For model S110 or S130, use a suitable brass drift.
2. For model 80, use Rear Wheel Hub Bearing Cup Remover 205-420 and Adapter 205-153 to remove the outer bearing cup. For model S110 or S130, use a suitable brass drift.






6. Clean the following components:
- The rear axle housing spindle.
- All the old grease and axle lubricant from the rear hub.
- The rear wheel bearings and cups.

7. Inspect the bearing races and rollers for pitting, galling or erratic wear patterns. Check the rollers for end wear. Discard the bearings, if necessary.
1. A typical new bearing roller.
2. A worn bearing roller.






Installation

1. For model 80, using the Rear Axle Drawbar and the Rear Wheel Hub Bearing Cup Installers 205-100 and 205-480, install the inner and outer bearing cups. For model S110 or S130, use a suitable driver.
- Check to see if a 0.038 mm (0.0015 in) feeler gauge can be inserted between the cups and the rear hub at any point around each cup. Reseat the bearing cups, if necessary.






2. Install the inner rear wheel bearing in the rear hub.

3. Install a new rear hub seal.
- For model 80, use a suitable seal installer.
- For model S110 or S130, use the Wheel Hub Inner Wheel Installer and Adapter.






4. Position the rear brake disc on the rear hub and install the 8 bolts.
- Tighten to 155 Nm (114 lb-ft).






5. Install the rear wheel hub. For additional information, refer to Wheel Hub Wheel Hubs and Bearings - Full Floating Axle - Dana.