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Clutch Slipping > < Clutch Pedal Hard to Push

Astra J

Clutch Grabbing



Cause
Actions

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
1. Repair the cause of the oil leak or grease contamination.
2. Clean the clutch facings.
3. Replace the clutch components if they will not clean. Refer to . Clutch Pressure and Driven Plate Replacement


Loose or faulty engine mounts
1. Inspect the engine mounts for being loose or faulty.
2. Repair or replace the engine mounts as required.


Clutch pedal sticking
1. Inspect the clutch pedal for correct operation.
2. Replace the clutch pedal if it is faulty. Refer to . Brake, Accelerator, and Clutch Pedal Replacement


Clutch actuator cylinder binding
1. Inspect the clutch actuator cylinder for the piston seals binding or sticking on the hub.
2. Replace the clutch actuator if it is binding. Refer to . Clutch Actuator Cylinder Replacement


Clutch master cylinder binding
1. Inspect the clutch master cylinder for the piston binding or sticking in the cylinder.
2. Replace the master cylinder if it is faulty. Refer to . Clutch Master Cylinder Replacement


Warped clutch cover
1. Inspect the clutch cover for distortion caused by improperly tightening the clutch cover bolts.
2. Replace the clutch cover if it is distorted. Refer to . Clutch Pressure and Driven Plate Replacement


Improper clutch installation
1. Inspect the pressure plate for distortion caused by improperly tightening the pressure plate bolts.
2. Inspect the clutch disc for a bent hub caused by forcing the installation of the transmission.
3. Inspect for the correct clutch disc.
4. Inspect the clutch disc for being installed backwards.
5. Replace the clutch assembly if it is damaged or the wrong components were installed. Refer to . Clutch Pressure and Driven Plate Replacement


Clutch disc binding on the input shaft
1. Inspect the input shaft for rust dirt or debris.
2. Clean and lubricate the input shaft.
3. Inspect the clutch disc for a bent hub.
4. Replace the clutch assembly if the clutch disc is faulty. Refer to . Clutch Pressure and Driven Plate Replacement
5. Inspect the input shaft for excessive wear on the splines, causing the clutch disc to bind.
6. Replace the transmission input shaft if it is worn for the F17 (MDG, M7Q, M26) transmission.
7. Replace the transmission if the input shaft is worn. For M32 (MZ4, MZ0; MF3). Refer to and for F40 (MYJ). Refer to . Transmission Replacement


Clutch pressure plate damaged
1. Inspect the pressure plate for bent drive straps caused by improper vehicle use.
2. Replace the clutch assembly if the clutch pressure plate is damaged. Inform the customer. Refer to . Clutch Pressure and Driven Plate Replacement


Flywheel improperly machined
1. Inspect the flywheel for being machined, and causing interference with the clutch disc.
2. Replace the flywheel if it has been machined. Refer to for 1.3L (Diesel) or for 1.4L (LDD) or for 1.6L (LDE, LLU) or for 1.7L (Diesel) or for 2.0L (Diesel). Engine Flywheel Replacement


Flywheel uneven
1. Inspect the flywheel surface for being warped or uneven.
2. Replace the flywheel if it has been warped or uneven. Refer to for 1.3L (Diesel) or for 1.4L (LDD) or for 1.6L (LDE, LLU) or for 1.7L (Diesel) or for 2.0L (Diesel). Engine Flywheel Replacement

 

Clutch Slipping > < Clutch Pedal Hard to Push