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
|
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.
|
Clutch pedal sticking
|
- Inspect the clutch pedal for correct operation.
- Replace the clutch pedal if it is faulty. Refer to
Clutch Pedal Replacement.
|
Clutch concentric actuator binding
|
- Inspect the clutch actuator for the piston seals binding or sticking on
the hub.
- Replace the clutch concentric actuator if it is binding. Refer to
Clutch Concentric 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 cover
|
- Inspect the clutch cover for distortion caused by incorrectly tightening
the clutch cover bolts.
- Replace the clutch cover if it is distorted. Refer to
Clutch Assembly Replacement.
|
Incorrect clutch installation
|
- Inspect the clutch pressure plate for distortion caused by incorrectly
tightening the pressure plate bolts.
- Inspect the clutch driven plate for a bent hub caused by forcing the installation
of the transmission.
- Inspect for the correct clutch driven plate.
- Inspect the clutch driven plate for being installed backwards.
- Replace the clutch assembly if it is damaged or the wrong components were
installed. Refer to
Clutch Assembly Replacement.
|
Clutch driven plate binding on the transmission input shaft
|
- Inspect the transmission input shaft for rust, dirt or debris.
- Clean and lubricate the transmission input shaft.
- Inspect the clutch driven plate for a bent hub.
- Replace the clutch assembly if the clutch driven plate is faulty. Refer
to
Clutch Assembly Replacement.
- Inspect the transmission input shaft for excessive wear on the splines,
causing the clutch driven plate to bind.
- Replace the transmission input shaft if it is worn. Refer to
Transmission Disassemble.
|
Clutch pressure plate damaged
|
- Inspect the pressure plate for bent drive straps caused by incorrect vehicle
use.
- Replace the clutch assembly if the clutch pressure plate is damaged. Inform
the customer of incorrect use. Refer to
Clutch Assembly Replacement.
|
Flywheel incorrectly machined
|
- Inspect the flywheel for being machined, and causing interference with
the clutch driven plate.
- Replace the flywheel if it has been machined. Refer to
Engine Flywheel Replacement.
|
Flywheel uneven
|
- Inspect the flywheel surface for being warped or uneven.
- Replace the flywheel if it is faulty. Refer to
Engine Flywheel Replacement.
|
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
.
|
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
for 3.6L engine or
Engine Mount Inspection
for 6.0L engine.
|
Clutch pedal sticking
|
- Inspect the clutch pedal for correct operation.
- Replace the clutch pedal if it is faulty. Refer to
Clutch Pedal Replacement
.
|
Clutch concentric actuator binding
|
- Inspect the clutch actuator for the piston seals binding or sticking on
the hub.
- Replace the clutch concentric actuator if it is binding. Refer to
Clutch Concentric 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 cover
|
- Inspect the clutch cover for distortion caused by incorrectly tightening
the clutch cover bolts.
- Replace the clutch cover if it is distorted. Refer to
Clutch Assembly Replacement
.
|
Incorrect clutch installation
|
- Inspect the clutch pressure plate for distortion caused by incorrectly
tightening the pressure plate bolts.
- Inspect the clutch driven plate for a bent hub caused by forcing the installation
of the transmission.
- Inspect for the correct clutch driven plate.
- Inspect the clutch driven plate for being installed backwards.
- Replace the clutch assembly if it is damaged or the wrong components were
installed. Refer to
Clutch Assembly Replacement
.
|
Clutch driven plate binding on the transmission input shaft
|
- Inspect the transmission input shaft for rust, dirt or debris.
- Clean and lubricate the transmission input shaft.
- Inspect the clutch driven plate for a bent hub.
- Replace the clutch assembly if the clutch driven plate is faulty. Refer
to
Clutch Assembly Replacement
.
- Inspect the transmission input shaft for excessive wear on the splines,
causing the clutch driven plate to bind.
- Replace the transmission input shaft if it is worn. Refer to
Transmission Disassemble
for Aisin Ay6 or
Transmission Disassemble
for Tremec 6-speed.
|
Clutch pressure plate damaged
|
- Inspect the pressure plate for bent drive straps caused by incorrect vehicle
use.
- Replace the clutch assembly if the clutch pressure plate is damaged. Inform
the customer of incorrect use. Refer to
Clutch Assembly Replacement
.
|
Flywheel incorrectly machined
|
- Inspect the flywheel for being machined, and causing interference with
the clutch driven plate.
- Replace the flywheel if it has been machined. Refer to
Engine Flywheel Replacement
for 3.6L engine or
Engine Flywheel Replacement
for 6.0L engine.
|
Flywheel uneven
|
- Inspect the flywheel surface for being warped or uneven.
- Replace the flywheel if it is faulty. Refer to
Engine Flywheel Replacement
for 3.6L engine or
Engine Flywheel Replacement
for 6.0L engine.
|