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What are the symptoms of a broken clutch booster pump

If the clutch pump is broken, it will cause the driver to step on the clutch and not open or extremely heavy. Especially when shifting, it will be difficult to shift, the separation is not complete, and there will be oil leakage from the sub cylinder from time to time. Once the clutch slave cylinder fails, nine out of ten the assembly will be replaced directly.
The role of the clutch booster pump in the system is: when the driver steps on the clutch pedal, the push rod pushes the master cylinder piston to increase the oil pressure, and enters the booster pump through the hose, forcing the pull rod of the booster pump to push the release fork, and pushing the release bearing forward;
When the driver releases the clutch pedal, the hydraulic pressure is released, the release fork gradually returns to the original position under the action of the return spring, and the clutch is again out of engagement.
The main clutch pump and booster pump (also called slave pump) are equivalent to two hydraulic cylinders. There are two oil pipes on the main pump and only one on the auxiliary pump.
When the clutch is pressed, the pressure of the master cylinder is transmitted to the slave cylinder, and the slave cylinder works. The clutch pressure plate and clutch plate are separated from the flywheel through the release fork. Then the shift can begin.
When the clutch is released, the slave cylinder stops working, the clutch pressure plate and plate contact the flywheel, power transmission continues, and the oil in the slave cylinder flows back

Post time: Dec-30-2022