Clutch Pedal Hard to Push

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Cause	Action
DEFINITION: The clutch pedal requires high effort to operate. Review the Symptoms - Clutch and perform the necessary inspections. WARNING: For vehicles equipped with push button start in which a clutch malfunction is suspected, always sit in the driver's seat and firmly apply the brake before starting the vehicle. Do not press the "start" button for any reason from outside the vehicle. A vehicle with a malfunctioning clutch could immediately move when started, which could cause personal injury or property damage.
Incorrect hydraulic fluid	Inspect for the correct fluid in the master cylinder. Refer to Adhesives, Fluids, Lubricants, and Sealers . Flush the hydraulic system and fill with the correct fluid. Replace the clutch hydraulic system if the incorrect fluid is mineral based.
Contaminated hydraulic fluid	Inspect the hydraulic fluid for water. Inspect the hydraulic fluid for dirt or debris. Flush the hydraulic system and fill with the correct fluid. Refer to Adhesives, Fluids, Lubricants, and Sealers .
Clutch pedal binding	Inspect the pedal for binding. Repair or replace the pedal. Refer to Clutch Pedal Replacement .
Kinked or damaged clutch hydraulic pipe	Inspect for a kinked or damaged hydraulic hose. Repair or replace the clutch hydraulic hose. Refer to Hydraulic Clutch Hose/Pipe Replacement (M3L) Hydraulic Clutch Hose/Pipe Replacement (MG9) .
Clutch disc worn too thin	Replace the clutch assembly. Refer to Clutch Assembly Replacement (M3L Transmission) .