Tech Tips
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order 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 |
|---|---|---|
| Clutch grabs / chatters | Engine mounting (loose) | - |
| Clutch disc assembly (runout is excessive) | ||
| Clutch disc assembly (oily) | ||
| Clutch disc assembly (worn out) | ||
| Clutch disc torsion rubber (damage) | ||
| Clutch disc (glazed) | ||
| Diaphragm spring (tip is out of alignment) | ||
| Clutch pedal is spongy | Clutch line (air in line) | - |
| Master cylinder cup (damaged) | ||
| Release cylinder rubber (damaged) (1GR-FE) | ||
| Release cylinder rubber (damaged) (except 1GR-FE) | ||
| Clutch is noisy | Release bearing (worn, dirty, or damaged) | |
| Clutch disc torsion rubber (damaged) | ||
| Clutch slips | Clutch pedal (free play is out of adjustment) | |
| Clutch line (air in line) | - | |
| Diaphragm spring (damaged) | ||
| Pressure plate (distortion) | ||
| Flywheel (distortion) | ||
| Clutch does not disengage | Clutch pedal (free play is out of adjustment) | |
| Clutch line (air in line) | - | |
| Master cylinder (damaged) | ||
| Master cylinder cup (damaged) | ||
| Release cylinder cup (damaged) (1GR-FE) | ||
| Release cylinder cup (damaged) (except 1GR-FE) | ||
| Clutch disc assembly (out of true) | ||
| Clutch disc assembly (runout is excessive) | ||
| Clutch disc assembly (lining is broken) | ||
| Clutch disc assembly (dirty or burned) | ||
| Clutch disc assembly (oily) | ||
| Clutch disc assembly (lack of spline grease) |