I should have mentioned in the previous post that the leak in the MC
is internal. You won't see any fluid on the garage floor.

On 10 Jun 2005 10:55:10 -0700, wrote:

>Hello all,
>
>Now that summer is here and temperatures are rising above 90 (in this
>part of Maryland), I have been noticing a peculiar problem with my '92
>Honda Accord. Especially on a hot day (though I am not sure about this
>correlation) after the car's been driven around for a bit, the brake
>pedals tend to get soft. Rather, at high speeds braking slows the car
>down. . . but the application of a persistent pressure causes the pedal
>to keep getting depressed without noticeable braking action. Pumping
>the brake resumes braking, and then it goes soft again until one
>releases and depresses the brake once more. The brake appears to work
>better during the initial braking action, and then gets soft after it
>has been depressed for a little while. There is no squealing,
>clinking, or any kind of noise or vibration.
>
>After reading these (very helpful) forums, I concluded that this may be
>due to water/gas contamination in my brake line, or a leaky master
>cylinder. I had the brake fluid flushed yesterday, and the entire
>brake system was checked out. There was no apparent leaks anywhere. .
>.and the brake fluid levels have always been constant. Today, I still
>find the same soft brake pedal problem.
>
>It is hard to get advice from car mechanics on this, because the
>problem is moody and sometimes difficult to reproduce. The car starts
>out fine in the morning. What do you guys suggest I do to fix this
>problem?
>
>Sincerely,
>
>Subhamoy.