I have no experience myself, but it's been reported here that DOT5 will
cause the inner rubber linings of the brake hoses to swell internally and
not allow the fluid to flow back from the brakes. Sounds like your
symptoms are similar.
Rod. '70 TR6 CC55899L
At 13:44 20-07-98 +0100, ewcorco@erenj.com wrote:
>
>This weekend I had my TR6 (1971) out for the first time in two months. All
>went well, until roughly 20 minutes into the ride when the brakes (all
>four, as best as I can tell) began to slowly seize, without releasing.
>
>Got it home - they were hot (of course), almost completely seized, and
>completely ineffective when I did pump the pedal. After cooling down
>(about 3 hours) they began to roll fine, again. I haven't had time to
>assess the damage yet.
>
>I had had this happen to me on the front several years agao - replacing the
>flexible hose to the calipers seemed to fix things. The master cylcinder
>was rebuilt on the car five years ago, and it has DOT-5 (silicone) in the
>system (previous owner).
>
>Any ideas? Can't be too many things for such a simple system. It's a
>tough problem since, when seized, the car can't even be towed home. Thanks
>in advance......
>
>
>Ned Corcoran
>1971 TR6
>
>
>
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