Losing hydraulic pressure

IvanTang

Member
Hello all A2 lovers,

Since getting the car in November, gear change is stiff and double clutching helps with getting into gear. Then one day after work, brake pedal just go stiff, without any assist, but it went back to normal afterwards. Bleed the brake, and change transmission oil that weekend, things have been better for two weeks, but this week all went back the same situation again. Whenever clutch and brake are depress at the same time, brake pedal go stiff. Will try to bleed the clutch slave cylinder next, but anyone experienced this before? Not sure if it is brake master cylinder going bad or clutch master or slave cylinder going bad, don't want to throw parts if it is not needed.

Thank you very much.
 
I would pull the slave cylinder out to see if it’s leaking, I’d guess it leaking somewhere if it’s on the hydraulic side, so above the pedal, or into the gearbox would be my guess.
 
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