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Clutch Slipping

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
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 pedal position switch. Refer to Clutch Pedal Position Sensor Replacement .
The clutch pedal return spring is broken or missing Replace the clutch pedal return spring, if equipped. Refer to Clutch Pedal Replacement .
The clutch pedal is binding or sticking
  1. Clear away any items that may be contacting the pedal.
  2. Inspect the pedal bushings for ease of movement.
  3. Replace the clutch pedal if it is faulty. Refer to Clutch Pedal Replacement .
Clutch master cylinder binding or seized Replace the clutch master cylinder. Refer to Clutch Master Cylinder Replacement (MU3)  or Clutch Master Cylinder Replacement (M86) .
Clutch actuator cylinder binding or seized Replace the clutch actuator cylinder. Refer to Clutch Actuator Cylinder Replacement .
Kinked or damaged clutch hydraulic hose
  1. Inspect for the correct routing of the clutch hydraulic hose.
  2. Route the hose properly.
  3. Inspect for loose or faulty engine mounts that may allow the hydraulic hose to be kinked or pinched.
  4. Repair or replace faulty engine mounts. Refer to Engine Mount Replacement use for the 2.0L Engine or Engine Mount Replacement use for the 2.2L (L61) Engine.
  5. Repair or replace the clutch hydraulic hose if it is damaged. Refer to Hydraulic Clutch Hose/Pipe Replacement .
Grease or oil contamination of the clutch disc
  1. Repair the source of the oil leak.
  2. Repair the source of the grease leak.
  3. Clean the contamination from the clutch components.
  4. If contaminates cannot be removed, replace the clutch assembly. Refer to Clutch Pressure and Driven Plate Replacement .
Worn or damaged flywheel Replace the engine flywheel. Refer to Engine Flywheel Replacement use for the 2.0L Engine or Engine Flywheel Replacement use for the 2.2L (L61) Engine.
Worn clutch disc facing Replace the clutch assembly. Refer to Clutch Pressure and Driven Plate Replacement .
Burnt or glazed clutch discs Replace the clutch assembly. Refer to Clutch Pressure and Driven Plate Replacement .
Input shaft splines worn Replace the input shaft. Refer to Transmission Case Disassemble use for the Getrag 5 Speed Transmission or Transmission Disassemble use for the MU3 Transaxle.
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 use for the 2.0L Engine or Engine Flywheel Replacement use for the 2.2L (L61) Engine.
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