strange brake issue
#1
Junior Member
Thread Starter
strange brake issue
my car is a 87 turbo chassis . it sits every winter. i went out to the car yeaterday pushed down the brake to start it and the pedal went to the floor. NO fluid leaks ,no rusted out lines. went out there today and i have a good pedal and the car stops. now the car has new pads, rotors all the way around, the master cylinder was low a bit but it did have fluid in it. now the first time i went out the temp outside was 10 degrees F, today it was 38 . any ideas thanks
#4
Rotary Freak
iTrader: (7)
Check closely for leaks everywhere including at the joint between the master cylinder and the booster. If there are no leaks, the problem as dazed01 says, is most likely a failed master cylinder. In that case, the internal seal is failing and the fluid is "leaking" from the front of the MC past the seal to the rear of the MC when you press on the pedal. The symptoms you indicate are typical.
#5
Former Moderator. RIP Icemark.
I have seen that problem on cars with Stainless Steel braided lines where the cover separated from the line and the cover fills with the brake fluid when you press the brake, only to have the fluid seep back when the pressure is off the brake and have the lines look normal visually.
So if you have SS brake lines, I'd look at that too.
So if you have SS brake lines, I'd look at that too.
#7
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