There is a piece in the master cylinder called a tipping or tipper
valve. This allows fluid to flow back to the master cylinder from the
front calipers when you let off the brakes. This valve went bad on my
car once (after a fresh rebuild on the m/c) and after five or six
stops, pressure would build up in the front lines until eventually the
front wheels wouldn't turn at all. Temporary solution to get me home
was to slack off the nut holding the front brake line to the m/c, which
allowed fluid to seep out and release the pressure build up. After
getting home, I ordered a new master cylinder.
Tim Holbrook
1971 TR6
--- TRDOCTOR@aol.com wrote:
> Listers;
> I was on a drive tonight with fellow 6-Packer John Phillips when I
> started
> experiencing locking brakes. The master cylinder is new (< 6k
> miles), the
> system was rebuilt at the same time. I flushed the system with
> denatured
> alcohol and converted to silicone brake fluid. There has been no
> trouble at
> all, except for a couple of weeks ago when I backed out of the
> driveway after
> having the '6 on the incline of the driveway with the e-brake on.
> When I hit
> the bottom of the driveway the pedal went almost to the floor, but
> quickly
> came back up after a second of frantic pumping! There was no hint of
> any
> problem since and I drive the car on a regular basis, even in the
> winter.
> Being in Oklahoma has it's advantages.
> At first I thought it was the back brakes. We jacked the car up and
> pulled
> the drums with no problems and there was plenty of slack in the
> e-brake cable
> (I carry an adjusting wrench in the trunk and had backed off of the
> adjustment). Things eased up and I was able to drive to our
> destination
> where I could feel them locking again. This time I jacked up the
> front and
> found the fronts to be the culprit. AAA came to the rescue and when
> they
> got there (about an hour later) the brakes were completely free.
> When we got
> the car off of the flatbed I was able to drive the car into the
> garage with
> no problem.
> Any suggestions?
>
>
> Samuel R. Clark
> Green Country Triumphs/Jaguar Enthusiast's Club of Oklahoma
> VTR South Central Regional Coordinator
> TS45355L O
> CC82030U O
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