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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Clutch grabs/chatters | Engine mounting (Loose) | - |
| Clutch disc (Excessive runout) (for 1GR-FE) | ||
| Clutch disc (Excessive runout) (for 1VD-FTV) | ||
| Clutch disc (Oily) (for 1GR-FE) | ||
| Clutch disc (Oily) (for 1VD-FTV) | ||
| Clutch disc (Worn out) (for 1GR-FE) | ||
| Clutch disc (Worn out) (for 1VD-FTV) | ||
| Clutch disc (Glazed) (for 1GR-FE) | ||
| Clutch disc (Glazed) (for 1VD-FTV) | ||
| Diaphragm spring (Tip out of alignment) (for 1GR-FE) | ||
| Diaphragm spring (Tip out of alignment) (for 1VD-FTV) | ||
| Clutch pedal spongy | Clutch line (Air in line) | - |
| Release cylinder rubber (Damaged) | ||
| Clutch noisy | Release bearing (Worn, dirty or damaged) (for 1GR-FE) | |
| Release bearing (Worn, dirty or damaged) (for 1VD-FTV) | ||
| Clutch slips | Clutch pedal (Free play out of adjustment) for LHD | |
| Clutch pedal (Free play out of adjustment) for RHD | ||
| Clutch disc (Oily) (for 1GR-FE) | ||
| Clutch disc (Oily) (for 1VD-FTV) | ||
| Clutch disc (Worn out) (for 1GR-FE) | ||
| Clutch disc (Worn out) (for 1VD-FTV) | ||
| Diaphragm spring (Damaged) (for 1GR-FE) | ||
| Diaphragm spring (Damaged) (for 1VD-FTV) | ||
| Flywheel (Distorted) (for 1GR-FE) | ||
| Flywheel (Distorted) (for 1VD-FTV) | ||
| Clutch does not disengage | Clutch pedal (Free play out of adjustment) for LHD | |
| Clutch pedal (Free play out of adjustment) for RHD | ||
| Clutch line (Air in line) | - | |
| Release cylinder cup (Damaged) | ||
| Clutch disc (Out of line) (for 1GR-FE) | ||
| Clutch disc (Out of line) (for 1VD-FTV) | ||
| Clutch disc (Runout excessive) (for 1GR-FE) | ||
| Clutch disc (Runout excessive) (for 1VD-FTV) | ||
| Clutch disc (Lining broken) (for 1GR-FE) | ||
| Clutch disc (Lining broken) (for 1VD-FTV) | ||
| Clutch disc (Dirty or burned) (for 1GR-FE) | ||
| Clutch disc (Dirty or burned) (for 1VD-FTV) | ||
| Clutch disc (Oily) (for 1GR-FE) | ||
| Clutch disc (Oily) (for 1VD-FTV) | ||
| Clutch disc (Lack of spline grease) (for 1GR-FE) | ||
| Clutch disc (Lack of spline grease) (for 1VD-FTV) |