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Outside tempature effecting brakes

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I just recently purchased a 1999 Boxster. As of 12/24/2010. Merry Christmas to me! I live in Albuquerque and over the New Years weekend. The temps dropped to 7 degrees. I went to drive it on New Years day and the brakes were not good. The peddle didn't move much and it slowed down at a roll to a stop, rather than stopping. My first thought was, moisture in the lines that froze. Had the system flushed and it was fine the night I had that done four days later, and until last night, when the temps, once again dropped to below 20 degrees. They went back to the mushy not stopping feeling. Before last night the temps had been hoovering above 20 or so.

Thanks for you thoughts in advance, Randy

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The brake fluid flush was a good idea but you could also have water in the brake booster. This was a problem on the early cars and Porsche changed the booster and seals design in later model years.

Here is another post on the same issue...

Thank you very much Loen. That was very, very helpful. What a wonderful site :thankyou:

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