Cause | Action |
---|---|
DEFINITION: The clutch does not engage completely after the pedal is released, after shifting gears, or the clutch slips during maximum engine loads, such as climbing hills or high vehicle speeds. Clutch slipping is identified by increase in engine RPM without increase in vehicle speed. Review the Symptoms - Clutch and perform the necessary inspections. | |
Incorrect clutch pedal height, not allowing the clutch master cylinder to return | Adjust the clutch start switch. Refer to Clutch Pedal Engine Start Switch Replacement . |
Clutch pedal binding or sticking |
|
Clutch master cylinder binding or seized | Replace the clutch master cylinder. Refer to Clutch Master Cylinder Replacement . |
Clutch actuator cylinder binding or seized | Replace the clutch actuator cylinder. Refer to Clutch Concentric Actuator Cylinder Replacement . |
Kinked or damaged clutch hydraulic hose |
|
Grease or oil contamination of the clutch disc |
|
Worn or damaged flywheel | Replace the engine flywheel. Refer to Engine Flywheel Replacement in Engine Mechanical - 4.3L. |
Worn clutch disc facing | Replace the clutch assembly. Refer to Clutch Assembly Replacement . |
Burnt or glazed clutch discs | Replace the clutch assembly. Refer to Clutch Assembly Replacement . |
Input shaft splines worn | Replace the input shaft. Refer to Transmission Disassemble in Manual Transmission - NV 3500 Unit Repair. |
Improper resurfacing of the flywheel | Replace the flywheel if it has been improperly resurfaced, allowing contact of the clutch disc hub or insufficient clamping load of the pressure plate. Refer to Engine Flywheel Replacement in Engine Mechanical - 4.3L. |