Sometimes, when the seals go on the brake master cylinder, it leaks on
the inside of your firewall and is absorbed by your carpet. Check where
the plunger hooks up to your brake pedal.....
Michael McBeth wrote:
>
> Steve Semeraro wrote:
> >
> > I've been having brake problems...(snip) Leave the car a few days and the
> > fluid is real low and the pedal has gotten real soft. Top up the fluid
> > and drive around. Pedal is soft, but stops the car. Fluid stays where
> > it is. Let the car sit for 8 hours and the fluid is back down again.
> .... My local station... first suggested that the problem was that I
> needed new rotors... But now they say I need new calipers. Is this a
> likely
> > cause or are they just switching parts? If I do need new calipers how
> > hard are they to rebuild? Do most folks use rebuild kits or buy rebuilt
> > units? Many thanks in advance for any advice.
> >
> > Steve Semeraro
> > Series V Alpine
> > 1968 Marcos GT
>
> Hi Steve, the Sunbeam brake system is pretty simple and all that brake
> fluid is going somewhere: you have to find it to find your problem. It
> could indeed be your calipers, check to see if fluid is leaking around
> the pistons onto your wheels. If the pistons are pitted, pushing them
> back in the bore with new pads or rotors can put them onto a spot that
> they won't seal against. This happened to me this summer: new pads
> brought a sudden leak, and it isn't in a very visible spot. A rebuild on
> the old calipers (and new pistons) worked fine.
>
> Other places to look: master cylinder, brake light switch, wheel
> cylinders, power brake booster (if so equipped): basically carefully
> trace the lines. Fortunately brake fluid doesn't evaporate so there is a
> wet spot somewhere on your car there shouldn't be one. By Murphys Law it
> will be under something very large and awkward to move.
>
> Good luck
> Michael McBeth
--
Ken Tisdale Sr. Sales Engineer
Pulsecom 303-403-1968
ktisdale@ix.netcom.com FAX: 303-432-8967
ken.tisdale@pulse.com
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