Unfortunately, the pedal sinks slowly until it almost hits the firewall.
However, as today is a cool day, the brake pedal is not sinking and the
brakes are working fine. The problem only occurs on a hot day. Bizarre!!



"Dmitry" <grinvald@hotmail.com> wrote in message
news:e6d180a.0311190616.77dfc61@posting.google.com ...
> "melbourne" <jjjjjj@hotmail.com> wrote in message
news:<I2Eub.110$rG.3515@nnrp1.ozemail.com.au>...
> > Vehicle: 1994 Civic with no ABS
> >
> > Problem: I am having a weird problem with my brakes. A few days ago,
on a
> > stinking hot day, I was at a set of traffic lights, when suddenly, my
brake
> > pedal began to slowly sink to the floor. The brakes worked fine and
would
> > stop the car, even under severe braking. The only problem would be that
the
> > brakes, when depressed would begin to sink to the floor after a few
seconds.
> >
> > They were fine in the morning and fine in the evening. The only
difference
> > was that when I drove the car during the day, the weather was over 35
> > degrees C. This problem occurred twice and each time it occurred, it
was on
> > a hot day. As the day became cooler or when the car is driven on a day
> > below 35 degrees C, the brakes behave normally?
> >
> > Any ideas?
>
>
> If the pedal sinks just a little (about an inch) I would not worry
> about this - many cars do that to some degree. With the engine NOT
> running, pump the brake pedal until you almost cannot push it down,
> then with your foot firmly on the pedal start the engine - you will
> feel it sinks a little bit. If it's sort of the same you had
> experienced - forget about it.