Clutch Pedal Hard to Push (Hydraulic)

Checks	Actions
Incorrect hydraulic fluid	Inspect for the correct fluid in the master cylinder. Refer to Hydraulic Clutch Release Point Adjustment . If improper hydraulic clutch oil is found, replace the clutch master cylinder, the clutch actuator cylinder, and flush the hydraulic system and fill with the correct fluid.
Contaminated hydraulic fluid	Inspect the hydraulic fluid for water. Inspect the hydraulic fluid for dirt or debris. Inspect the clutch hydraulic fluid for contamination of improper oil. If contaminated, replace the clutch master cylinder and the clutch actuator cylinder. Flush the hydraulic system and fill with the correct fluid.
Kinked or damaged clutch hydraulic pipe	Inspect for a kinked or damaged hydraulic hose. Repair or replace the clutch hydraulic hose.
Clutch disc worn too thin	Replace the clutch assembly. Refer to Clutch and Pressure Plate Replacement .