Problem Symptoms Table
HINT:
- 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
DIFFERENTIAL SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Oil leakage from front differential | Oil (Level too high or wrong grade) | Refer to REPLACEMENT |
| Front differential rear oil seal (Worn or damaged) | Refer to REPLACEMENT | |
| Companion flange (Loose or damaged) | Refer to REASSEMBLY | |
| Oil leakage from rear differential | Oil (Level too high or wrong grade) | Refer to REPLACEMENT |
| Rear differential front oil seal (Worn or damaged) | Refer to REPLACEMENT | |
| Companion flange (Loose or damaged) | Refer to REASSEMBLY | |
| Oil leak from front drive pinion shaft | Oil (Level too high or wrong grade) | Refer to REPLACEMENT |
| Front differential oil seal (Worn or damaged) | Refer to REPLACEMENT | |
| Companion flange (Loose or damaged) | Refer to REASSEMBLY - Step 30 | |
| Oil leak from rear drive pinion shaft | Oil (Level too high or wrong grade) | Refer to REPLACEMENT |
| Rear differential oil seal (Worn or damaged) | Refer to REPLACEMENT | |
| Companion flange (Loose or damaged) | Refer to REASSEMBLY - Step 28 | |
| Differential lock does not operate | Rear differential lock switch | Refer to INSPECTION |
| Four wheel drive control ECU | Refer to SYSTEM DIAGRAM | |
| Differential carrier (Faulty) | - | |
| Wiring or ground (Faulty) | - |