Problem Symptoms Table
WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Use the table below to help you find the cause of the problem. The numbers indicate the ranked order of probability of each of the possible causes. Check each part in order. If necessary, replace these parts.
DIFFERENTIAL SYSTEM
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected Area | Information |
|---|---|---|
| Oil leakage from front differential | Oil level (Too high or wrong grade) | ADJUSTMENT |
| Differential side gear shaft oil seal (Worn or damaged) | REMOVAL | |
| Differential rear oil seal (Worn or damaged) | REMOVAL | |
| Companion flange (Loose or damaged) (2UZ-FE) | REASSEMBLY | |
| Oil leakage from rear differential | Oil level (Too high or wrong grade) | ADJUSTMENT |
| Differential front oil seal (Worn or damaged) | REMOVAL | |
| Companion flange (Loose or damaged) | REAR DIFFERENTIAL CARRIER ASSEMBLY | |
| Oil leak from front drive pinion shaft | Oil level (Too high or wrong grade) | ADJUSTMENT |
| Differential side gear shaft oil seal (Worn or damaged) | - | |
| Differential rear oil seal (Worn or damaged) | REMOVAL | |
| Companion flange (Loose or damaged) (2UZ-FE) | REASSEMBLY | |
| Oil leak from rear drive pinion shaft | Oil level (Too high or wrong grade) | ADJUSTMENT |
| Differential front oil seal (Worn or damaged) | REMOVAL | |
| Companion flange (Loose or damaged) | REASSEMBLY |