Thanks for the advice. I will get a new MC this weekend, install it
and bleed the brakes.

Thanks,
Nick

On Mon, 09 Aug 2004 20:07:10 GMT, <olllllllo@sbcglobal.net> wrote:

>I have to disagree, even though what you say is true.
>
>I bet it is your MC. I just replaced mine on my 91 Prelude
>and when it got hot out, the pedal sinking was much more
>common.
>
>Easy fix, did it myself, new (not rebuilt) MC from a local
>import parts shop was $70. I would not pay the OEM
>cost.
>
>Bench bleed the MC, bleed all 4 lines. You'll end up with
>a new MC, new brake fluid, and a pedal that won't sink
>to the floor anymore when the temperature rises.
>
>"E. Meyer" <e52.meyer0SPAM@ieee.org> wrote in message
>news:BD3D071C.93750%e52.meyer0SPAM@ieee.org...
>> Your symptom sounds more like water in the fluid (it boils when it gets
>hot
>> and that changes the braking performance) than a bad master cylinder. Try
>> bleeding new fluid through the system and out at the wheels to clean out
>the
>> lines. If you have ABS, that fluid is separate from the main system and
>> should also be changed.
>>
>> Also check the condition of the pads and calipers at the wheels to make
>sure
>> you don't have a binding caliper creating excessive heat and wear. The
>> easiest check is to swing open the caliper as if changing the pads and
>> verify that the caliper pins slide in and out freely.
>>
>> On 8/9/04 6:20 AM, in article haneh0dicpao1unqammi07coap4codkomv@4ax.com,
>> "Nick" <npolite@NOSPAMMONKEYS.yahoo.com> wrote:
>>
>> > One additional thing I forgot to mention was that I have replaced the
>> > reservoir fluid 3 times by siphoning it out without any luck. Also, I
>> > haven't needed to refill the reservoir so I don't think that there is
>> > a leak in any of the lines.
>> >
>> > Thanks,
>> > Nick
>> >
>> >
>> > On Mon, 09 Aug 2004 07:10:52 -0400, Nick
>> > <npolite@NOSPAMMONKEYS.yahoo.com> wrote:
>> >
>> >> Hello all,
>> >>
>> >> I got a problem which I think is being caused by a failing
>> >> master cylinder but wanted to make sure before I go out and buy one. I
>> >> am noticing that every 5th time that I brake, the brake pedal will go
>> >> down to the floor more significantly than normal. What is odd is that
>> >> this is only occurring when the rotors warm up. In the morning I do
>> >> not notice this, but could also be because of highway driving. Do I
>> >> have a master cylinder which is beginning to fail? Also I see that the
>> >> OEM master cylinder costs about $250 and one from Autozone costs $50.
>> >> Besides that the one from Autozone is a rebuilt one, is there any
>> >> other reason why I should go with OEM?
>> >>
>> >> Thanks in advance for all of your help,
>> >> Nick
>> >
>> >
>>
>