>From your description, it sounds like you have water in the brake lines. As the
brakes warm up and get hot enough to boil the water, the steam expands and
causes the calipers to push out the pads. A complete fluid replacement will be
required. While you're at it, you can consider changing to silicon, but it will
also require a complete purging of the master and brake lines.
Vic Whitmore
76 Spitfire
Thornhill, Ontario
john@triumphspitfire.com wrote:
>
> I give up...I'm going to ask advise.
>
> I recently got my car out of storage. I did all the usual maintenance
> (bleeding, rebuilt mastercylinder due to leaks, etc.) and took the car out
> for a test. After about 1 mile the front calipers gradually locked up, it
> was as if I had one foot on the brakes and the longer I would drive the
> harder I would push. Car got harder and harder to keep up to speed and now
> smoke coming from left front. Let it sit for about a half hour (let them
> cool) and they worked as before.
>
> I took the calipers off, and tore them down. The pistons had some minor
> pitting so I rebuilt them knowing it would probally not fix it. Didn't. New
> calipers.
>
> Had trouble bleeding (champaign bubbles in fluid) and pedal never felt like
> it should but good enough to test. Same problem.
>
> This last time, while they were still locked up, I opened the bleeder and
> fluid shot out leading me to believe it to be before the calipers.
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