Diagnosis And Testing - Front Axle - 195FIA: Notes
WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CHART
| Condition | Possible Causes | Correction |
|---|---|---|
| Wheel Noise | 1. Wheel loose. | 1. Tighten loose nuts. |
| 2. Worn wheel bearing. | 2. Replace bearing. | |
| Axle Noise | 1. Insufficient lubricant. | 1. Fill differential with the correct fluid type and quantity. |
| 2. End-play in pinion. | 2. Replace axle assembly. | |
| 3. Excessive gear backlash between the ring gear and pinion. | 3. Replace axle assembly. | |
| 4. Loose pinion yoke nut. | 4. Replace axle assembly. | |
| 5. Scuffed gear tooth contact surfaces. | 5. Replace axle assembly. | |
| Axle Whine | 1. Cross member cradle dampers not positioned correctly. | 1. Positioned cross member cradle dampers correctly. |
| Loss Of Lubricant | 1. Lubricant level too high. | 1. Drain lubricant to the correct level. |
| 2. Worn axle shaft seals. | 2. Replace seals. | |
| 3. Worn pinion seal. | 4. Replace seal. | |
| 4. Worn/scored yoke. | 5. Replace axle assembly. | |
| 5. Axle cover not properly sealed. | 6. Replace axle assembly. | |
| Axle Overheating | 1. Lubricant level low. | 1. Fill differential to correct level. |
| 2. Improper grade of lubricant. | 2. Fill differential with the correct fluid type and quantity. | |
| 3. Bearing pre-loads too high. | 3. Replace axle assembly. | |
| 4. Insufficient ring gear backlash. | 4. Replace axle assembly. | |
| Gear Teeth Broke | 1. Overloading. | 1. Replace axle assembly. |
| 2. Erratic clutch operation. | 2. Replace axle assembly. | |
| 3. Ice-spotted pavement. | 3. Replace axle assembly. | |
| 4. Improper adjustments. | 4. Replace axle assembly. |