Cause
| Action
|
DEFINITION: The
clutch does not disengage completely to allow smooth shift operations. May
cause gear clashing while vehicle not moving, at idle, and shifting out
of neutral, or hard shifting in and out of gears while driving the vehicle.
Review the
Symptoms - Clutch
and perform the necessary inspections.
|
Pedal blocked from full travel
|
- Inspect for obstacles that will prevent the pedal from going to
the floor.
- Clear any obstacles from under pedal area such as floor mats or
interior panels.
- Adjust the pedal stops and switches, if equipped, to achieve full
pedal travel.
|
Linkage
blocked from full travel
|
- Inspect for objects that may be lodged in the linkage, such as
wire harnesses or hoses.
- Remove blockage.
|
Linkage
requires adjustment
|
- Inspect the release bearing for being adjusted properly. Refer
to
Clutch Assembly Adjustment
.
- Adjust the linkage for correct gap between the yoke or fork and
the release bearing.
|
Linkage
worn or damaged
|
- Inspect the clutch pedal for worn components.
- Repair or replace the clutch pedal components. Refer to
Clutch Pedal Replacement
.
- Inspect the clutch lever linkage for wear or damage.
- Repair or replace the worn linkage components. Refer to
Clutch Lever Replacement
.
- Inspect the clutch housing cross shaft and bushings for wear.
- Replace the clutch cross shaft and bushings.
- Inspect the clutch release yoke or fork for wear.
- Replace the worn clutch release yoke or fork. Refer to
Clutch Fork Assembly Replacement
.
|
Damaged
clutch assembly components
|
- Remove the clutch assembly and inspect the clutch assembly components.
Refer to
Clutch Assembly Replacement
.
- Inspect the following clutch assembly components for damage:
• | The clutch disc hub splines |
• | Broken or warped pressure plate |
- Replace the clutch assembly if any of the above damage is found.
Refer to
Clutch Assembly Replacement
.
|
Contamination
or grease in the release bearing bore
| Clean the release bearing bore and the transmission input
shaft.
|
Excessive side loading on the release bearing
|
- Inspect the following clutch system components:
• | Worn or damaged cross shaft bushings |
• | Worn or damaged cross shaft |
• | Worn, damaged, or bent release bearing yoke |
• | Uneven release bearing yoke contact wear pads |
• | Worn or damaged pilot bearing |
• | Excessive flywheel runout |
• | Excessive engine to transmission misalignment |
- Repair or replace the component if found faulty.
|
Faulty
pilot bearing
| Replace the pilot bearing. Refer to
Clutch Pilot Bearing Replacement
.
|
Transmission input shaft splines worn or damaged
| Replace the transmission
input shaft. Refer to the transmission manufacturers service manual.
|
Tight
or contaminated clutch disc splines
|
- Clean the clutch disc and input shaft splines.
- If the clutch disc will not clean, replace the clutch assemble.
Refer to
Clutch Assembly Replacement
.
|
Flywheel
housing to clutch housing excessive misalignment
|
- Inspect the housing for being faulty.
- Replace the housing if it is faulty. Refer to
Clutch Housing Replacement
.
|
Grease
or oil contamination on the clutch discs facing
|
- Repair the oil leak.
- Repair the grease leak.
- Clean the clutch disc facing and the other clutch assembly components.
- Replace the clutch assembly if it will not clean. Refer to
Clutch Assembly Replacement
.
|
Cable
brackets loose or faulty
|
- Inspect the cable brackets for being bent, cracked, or loose.
- Repair or replace the cable brackets. Refer to
Clutch Cable Bracket Replacment
.
|