Cause
| Action
|
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
.
|
Loose or faulty engine mounts
|
- Inspect the engine mounts for being loose or faulty. Refer to
Engine Mount Inspection
in Engine Mechanical - 2.8L (LK5) or
Engine Mount Inspection
in
Engine Mechanical - 3.5L (L52).
- Repair or replace the engine mounts as required. Refer to
Engine Mount Replacement - Left Side
and
Engine Mount Replacement - Right Side
in Engine Mechanical - 2.8L (LK5)
or
Engine Mount Replacement - Left Side
and
Engine Mount Replacement - Right Side
in Engine Mechanical -
3.5L (L52).
|
Clutch pedal sticking
|
- Inspect the clutch pedal for correct operation.
- Replace the clutch pedal if it is faulty. Refer to
Clutch Pedal Replacement
.
|
Clutch actuator cylinder binding
|
- Inspect the clutch actuator cylinder for the piston seals binding or
sticking on the hub.
- Replace the clutch actuator cylinder 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
.
|
Improper clutch installation
|
- Inspect for the following conditions:
• | The pressure plate for distortion caused by improperly tightening the
pressure plate bolts |
• | The clutch disc for a bent hub caused by forcing the installation of
the transmission |
• | The correct clutch disc |
• | The clutch disc for being installed backwards |
- Replace the clutch assembly if it is damaged, or if the wrong components
were installed. Refer to
Clutch Assembly Replacement
.
|
Clutch disc binding on the input shaft
|
- Inspect for the following conditions:
• | The input shaft for rust dirt or debris |
• | The clutch disc for a bent hub |
• | The input shaft for excessive wear on the splines, causing the clutch
disc to bind |
- Repair or replace the following components if found faulty.
• | Clean and lubricate the input shaft. |
• | Replace the transmission input shaft if it is worn. Refer to
Transmission Disassemble
in Manual Transmission - Aisin AR5 Unit Repair. |
|
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
.
|
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
in Engine Mechanical - 2.8L (LK5) or
Engine Flywheel Replacement
in
Engine Mechanical - 3.5L (L52).
|
Flywheel uneven
|
- Inspect the flywheel surface for being warped or uneven.
- Replace the flywheel if it is faulty. Refer to
Engine Flywheel Replacement
in Engine Mechanical - 2.8L (LK5) or
Engine Flywheel Replacement
in
Engine Mechanical - 3.5L (L52).
|