Brake fluid leak
#1
Brake fluid leak
I need some assistance diagnosing an issue. As stated im leaking brake fluid from somewhere. Two days in a row when it was very cold my reservoir was below the min line. After this happened I pulled all the pads and cleaned the calipers so I could try and locate the leak and nada, zip, zilch. I rechecked all the bleeder valves for leaks and nothing there. Put everything back together and no leaks or loss of fluid for 9 days and now this morning, low fluid again. I can k my assume that its coming from a caliper and burning off ever so slowly. What would you guys suggest to diagnose where it's coming from or should I just rebuild the calipers.
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#12
Pole Position
^^^^Damn that can't be normal for a 2012 with 77k?? Why do you think it went out so soon? Is it because you track your car a lot?
#14
Instructor
iTrader: (4)
It would be interesting to know if the master cylinder is the same as the other IS* cars or any other Lexus model. If so we can poll others to see if anyone else has experienced this failure.
We already know that the vacuum check valve in the brake booster is pretty common among Toyota/Lexus cars.
We already know that the vacuum check valve in the brake booster is pretty common among Toyota/Lexus cars.
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