My PDWA is leaking brake fluid out of the electrical switch part.
This is on a US market 1978 1500.
After reading the excellent article on the VTR site and the info
our very own Donald Locker has posted on the Yahoo Groups, I realize
that it is likely that the seals on the internal piston have failed.
I dismantled the switch and these o-rings appeared to be whole, so I
just tried cleaning everything up and reassembling, but it still
leaks. I'm having some trouble sourcing replacement o-rings of the
right size and material locally after having been to a couple of
hardware and plumbing stores. I'm considering alternatives and I'm
wondering if anyone has anything to add:
First alternative - simply plug the opening for the electrical switch
with a bolt or plumbing plug. While this will defeat the PDWA, I
don't consider it a particularly useful device anyway since by the
time it trips, you're going to know that somethings wrong by pedal
feel anyway. Problem is that the opening appears to be 5/8 inch with
fine threads and I can't find a plug or bolt to fit! Since I would
be in effect combining the front and rear systems, I would also be
losing the benefits of the dual master cylinder.
Second alternative - remove the PDWA entirely and replace
it with two female/female brake fittings. I presume such things exist.
Again this would defeat the purpose of the PDWA, such as it is.
Suggestions? Thoughts? Admonishments?
TIA!
Greg Rowe
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