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Several years ago (before I discovered Brickboard), I had an intermittent braking issue. Sometimes they would grab well, other times they would barely work. In what was probably just a bad check valve or connection, I got hosed for a replacement booster.
Anyway, everything has been working fine since, until the -25 degree Celsius weather this morning (-13 F). My wife complained that she drove the car for about 10 miles, and the brakes weren't working properly. It was driven throughout the day yesterday in somewhat warmer temperatures (-15 Celsius), without problems.
I haven't been able to test it myself, so I can't comment on whether it seems to be a booster issue. Can anyone suggest any possible explanations of why extreme cold would trigger a brake problem? I can't imagine that it could be water in the lines; I would think there would have to be an awful lot to allow brake fluid to freeze. Besides, I just flushed the entire system with my Motive Products pressure bleeder a couple of months ago.
Thanks,
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David Armstrong - '86 240(350k km?), '93 940T(270k km), '89 240(parts source for others) near Toronto, ON
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