Diagnosis And Testing: Axle: Notes
WARNING: This page is about a different car, the 2021 Jeep Grand Cherokee L. 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. Scuffed gear tooth contact surfaces | 4.Replace axle assembly | |
| 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 | 3. Replace seal | |
| 4. Axle cover not properly sealed | 4. 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. Ice-spotted pavement | 2. Replace axle assembly | |
| 3. Improper adjustments | 3. Replace axle assembly |