Transmission. Lexus Is250, Is220D. Gse20 Ale20
Clutch. Lexus Is250, Is220D. Gse20 Ale20
Clutch System -- Problem Symptoms Table |
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. Replace parts as necessary.
| Symptom | Suspected area | See page |
| Clutch grabs / chatters | 1. Engine mounting (loose) | - |
| 2. Clutch disc assembly (runout is excessive) | Click here | |
| 3. Clutch disc assembly (oily) | Click here | |
| 4. Clutch disc assembly (worn out) | Click here | |
| 5. Clutch disc (glazed) | Click here | |
| 6. Diaphragm spring (tip is out of alignment) | - | |
| Clutch pedal is spongy | 1. Clutch line (air in line) | Click here |
| 2. Master cylinder cup (damaged) | - | |
| 3. Release cylinder rubber (damaged) | Click here | |
| Clutch is noisy | 1. Release bearing (worn, dirty, or damaged) | Click here |
| Clutch slips | 1. Clutch pedal (free play is out of adjustment) | Click here |
| 2. Clutch disc (oily) | Click here | |
| 3. Clutch disc (worn out) | Click here | |
| 4. Diaphragm spring (damaged) | - | |
| 5. Flywheel (distorted) | Click here | |
| Clutch does not disengage | 1. Clutch pedal (free play is out of adjustment) | Click here |
| 2. Clutch line (air in line) | Click here | |
| 3. Master cylinder (damaged) | Click here | |
| 4. Master cylinder cup (damaged) | - | |
| 5. Release cylinder cup (damaged) | Click here | |
| 6. Clutch disc assembly (out of true) | Click here | |
| 7. Clutch disc assembly (runout is excessive) | Click here | |
| 8. Clutch disc assembly (lining is broken) | Click here | |
| 9. Clutch disc assembly (dirty or burned) | Click here | |
| 10. Clutch disc assembly (oily) | Click here | |
| 11. Clutch disc assembly (lack of spline grease) | Click here |