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 clean. Refer to Clutch Assembly Replacement (M3L Transmission) Clutch Assembly Replacement (MG9 Transmission) .
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| Loose or faulty engine mounts |
- Inspect the engine mounts for being loose or faulty. Refer to Engine Mount Inspection
, for the 2.0L (LTG) or 2.5L (LCV) engines, or Engine Mount Inspection
for the 3.6L engine.
- Replace the engine mounts as required. Refer to the following procedures:
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| Clutch pedal sticking |
- Inspect the clutch pedal for correct operation.
- Replace the clutch pedal if it is faulty. Refer to 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 Concentric Actuator Cylinder Replacement .
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| 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 .
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| Warped clutch cover |
- Inspect the clutch cover for distortion caused by improperly tightening the clutch cover bolts.
- Replace the clutch cover if it is distorted. Refer to Clutch Assembly Replacement (M3L Transmission) Clutch Assembly Replacement (MG9 Transmission) .
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| 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 Assembly Replacement (M3L Transmission) Clutch Assembly Replacement (MG9 Transmission) .
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| Clutch disc binding on the input shaft |
- Inspect the input shaft for rust dirt or debris.
- Clean and lubricate the input shaft.
- Inspect the clutch disc for a bent hub.
- Replace the clutch assembly if the clutch disc is faulty. Refer to Clutch Assembly Replacement (M3L Transmission) Clutch Assembly Replacement (MG9 Transmission) .
- Inspect the input shaft for excessive wear on the splines, causing the clutch disc to bind.
- Replace the transmission input shaft if it is worn. Refer to Transmission Disassemble (MG9)Transmission Disassemble (M3L)
.
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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 Assembly Replacement (M3L Transmission) Clutch Assembly Replacement (MG9 Transmission) .
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| Flywheel improperly machined |
- Inspect the flywheel for being machined, and causing interference with the clutch disc.
- Replace the flywheel if it has been machined. Refer to Engine Flywheel Replacement
, for the 2.0L (LTG) or 2.5L (LCV) engines, or Automatic Transmission Flex Plate Replacement (LF4)Automatic Transmission Flex Plate Replacement (LGX)
for the 3.6L engine.
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| Flywheel uneven |
- Inspect the flywheel surface for being warped or uneven.
- Replace the flywheel if it is faulty. Refer to Engine Flywheel Replacement
, for the 2.0L (LTG) or 2.5L (LCV) engines, or Automatic Transmission Flex Plate Replacement (LF4)Automatic Transmission Flex Plate Replacement (LGX)
for the 3.6L engine.
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