Tech Tips
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See page |
|---|---|---|
| Noise in rear differential | Oil (level too low or wrong grade) | |
| Excessive backlash between pinion and ring gear | ||
| Ring, pinion or side gears (worn or chipped) | ||
| Pinion shaft bearing (worn) | ||
| Side bearing (worn) | ||
| Oil leak from rear differential | Oil (level too high or wrong grade) | |
| Rear differential front oil seal (worn or damaged) | ||
| Companion flange (loose or damaged) |