Differential System -- 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.
| Symptom | Suspected Area | See page |
| Oil leakage from front differential | Oil (Level too high or wrong grade) | LandCruiser RM000003PSG00PX.html |
| Front differential rear oil seal (Worn or damaged) | LandCruiser RM0000026G600WX.html | |
| Companion flange (Loose or damaged) | LandCruiser RM0000010MO02HX.html | |
| Oil leakage from rear differential | Oil (Level too high or wrong grade) | LandCruiser RM000003PSG00PX.html |
| Rear differential front oil seal (Worn or damaged) | LandCruiser RM0000026G800XX.html | |
| w/ Differential Lock: Companion flange (Loose or damaged) | LandCruiser RM0000016GI028X.html | |
| w/o Differential Lock: Companion flange (Loose or damaged) | LandCruiser RM0000010MS04XX.html | |
| Oil leak from front drive pinion shaft | Oil (Level too high or wrong grade) | LandCruiser RM000003PSG00PX.html |
| Front differential oil seal (Worn or damaged) | LandCruiser RM0000026G600WX.html | |
| Companion flange (Loose or damaged) | LandCruiser RM0000010MO02HX.html | |
| Oil leak from rear drive pinion shaft | Oil (Level too high or wrong grade) | LandCruiser RM000003PSG00PX.html |
| Rear differential oil seal (Worn or damaged) | LandCruiser RM0000026G800XX.html | |
| w/ Differential Lock: Companion flange (Loose or damaged) | LandCruiser RM0000016GI028X.html | |
| w/o Differential Lock: Companion flange (Loose or damaged) | LandCruiser RM0000010MS04XX.html | |
| w/ Differential Lock: Differential lock does not operate | Rear differential lock position switch | LandCruiser RM000003PYH00GX.html |
| w/ Combination Switch: Rear differential lock control switch | LandCruiser RM000003PYF00KX.html | |
| w/o Combination Switch: Rear differential lock control switch | LandCruiser RM000003PYF00LX.html | |
| 4 wheel drive control ECU | LandCruiser RM0000047FF00GX.html | |
| Differential carrier (Faulty) | - | |
| Wiring or ground (Faulty) | - |