I switched to DOT 5 on an existing system, no new parts. It was at a tune n
tech (professional garage with good equipment) so we pumped out the old and
pumped in the new. Did remove the reservoir (TR3A) because there was so much
gunk in it that we wanted to get out. Otherwise, no flushing and many years
later and I haven't touched it again.
Bob
-----Original Message-----
From: triumphs-bounces@autox.team.net
[mailto:triumphs-bounces@autox.team.net] On Behalf Of bill_beecher@flash.net
Sent: Monday, May 06, 2013 7:55 AM
To: 'Triumphs'
Subject: [TR] Changing from DOT 3 to DOT 5 Fluif
Getting ready to help a friend move to DOT5 brake fluid and the question
arose as how to best flush the system and cylinders. I have always started
with an empty system on a re-build and have never addressed a changeover.
He was told to flush alcohol throught the system afer draining the DOT3 to
help rid any dampness in the system, but I wondered if it will damage any of
the rubber bits.
Also, I don't see how we can get 100% of the DOT3 out, there is bound to be
some residue, will there be a serious compatibility issue with a slight mix
of the different types?
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