What causes clutch slave cylinder leakage?

1 Answers
Emery
07/30/25 7:03am
It is recommended to replace the entire assembly if the clutch slave cylinder is leaking. Explanation: Clutch slave cylinder leakage is caused by wear of the internal piston, rubber seals, and cups, which fail to contain the clutch fluid. Since replacement parts for clutch slave cylinders are currently unavailable, repairing with replacement seals is not feasible, and the only solution is to replace the entire assembly. Working Principle: When the clutch pedal is depressed, hydraulic fluid from the clutch master cylinder is delivered to the slave cylinder through high-pressure lines. The hydraulic pressure acts on the piston cup inside the slave cylinder, pushing the piston rod forward. The piston rod then moves the release lever forward, which in turn presses the release bearing against the release lever, thereby disengaging the clutch and cutting off power transmission between the engine and the drivetrain.
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