DEFINITION: The clutch grabs or chatters or the clutch is unable to release without the vehicle jerking. An abrupt engagement of the clutch.
Review the Symptoms - Clutch and perform the necessary inspections. |
| Grease or oil contamination on the clutch facings |
- Repair the cause of the oil leak or grease contamination.
- Clean the clutch facings.
- Replace the clutch components if they will not get clean. Refer to Clutch Pressure and Driven Plate Replacement (1.4L LUV) and Clutch Pressure and Driven Plate Replacement (1.8L LUW and LWE) .
|
| Loose or faulty engine mounts |
- Inspect the engine mounts for being loose or faulty. Refer to Engine Mount Inspection
.
- Repair or replace the engine/transmission mounts as required.
|
| Clutch pedal sticking |
- Inspect the clutch pedal for correct operation.
- Replace the clutch pedal if it is faulty. Refer to Brake, Accelerator and Clutch Pedal Replacement
.
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| Clutch actuator binding |
- Inspect the clutch actuator for the piston seals binding or sticking on the hub.
- Replace the clutch actuator if it is binding. Refer to Clutch Actuator Cylinder Replacement .
|
| Clutch master cylinder binding |
- Inspect the clutch master cylinder for the piston binding or sticking in the cylinder.
- Replace the master cylinder if it is faulty. Refer to Clutch Master Cylinder Replacement .
|
| Warped clutch pressure plate |
- Inspect the clutch pressure plate for distortion caused by improperly tightening the clutch pressure plate bolts.
- Replace the clutch pressure plate if it is distorted. Refer to Clutch Pressure and Driven Plate Replacement (1.4L LUV) and Clutch Pressure and Driven Plate Replacement (1.8L LUW and LWE) .
|
| Improper clutch installation |
- Inspect the pressure plate for distortion caused by improperly tightening the pressure plate bolts.
- Inspect the clutch disc for a bent hub caused by forcing the installation of the transmission.
- Inspect for the correct clutch disc.
- Inspect the clutch disc for being installed backwards.
- Replace the clutch assembly if it is damaged or the wrong components were installed. Refer to Clutch Pressure and Driven Plate Replacement (1.4L LUV) and Clutch Pressure and Driven Plate Replacement (1.8L LUW and LWE) .
|
| Clutch disc binding on the input shaft |
- Inspect the input shaft for rust dirt or debris.
- Clean and lubricate the input shaft. Refer to Transmission Replacement
.
NOTE:
Do not use mineral or paraffin based oil to lubricate the splines.
- Inspect the clutch disc for a bent hub.
- Replace the clutch assembly if the clutch disc is faulty. Refer to Clutch Pressure and Driven Plate Replacement (1.4L LUV) and Clutch Pressure and Driven Plate Replacement (1.8L LUW and LWE) .
- Inspect the input shaft for excessive wear on the splines, causing the clutch disc to bind.
- Replace the transmission if input shaft is worn. Refer to Transmission Replacement
.
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| Clutch pressure plate damaged |
- Inspect the pressure plate for bent drive straps caused by improper vehicle use.
- Replace the clutch assembly if the clutch pressure plate is damaged. Inform the customer. Refer to Clutch Pressure and Driven Plate Replacement (1.4L LUV) and Clutch Pressure and Driven Plate Replacement (1.8L LUW and LWE) .
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| Flywheel improperly machined |
- Inspect the flywheel for being improperly machined and causing interference with the clutch disc.
- Replace the flywheel if it has been improperly machined.
|
| Flywheel uneven |
- Inspect the flywheel surface for being warped or uneven.
- Replace the flywheel if it is faulty.
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