Most of you probably remember that I was rebuilding the brake pressure
switch. I did find, in a British car repair shop, some appropriate o-rings
that
will do well in brake fluid. The switch is rebuilt. When I was putting the
plastic screw-in switch intothe body of theunit, it broke in two at the top of
the
threads. It didn't work anyway, as the PO had sheared the wires off of it,
so I replaced the plastic switch with a bolt and a bronze washer.
Of course I had emptied the master cylinder and all the brake fluid leading
into the switch leaked out when I removed the pipes from the body of the
switch. When I replaced the pressure switch unit and screwed the brake pipes
back
into it, I filled the master with brake fluid, then went first the farthest
away
wheel (right rear) and opened the bleeder. Pumping the brake, I noted that
NO brake fluid was being forced through the lines and out of the bleeder. I
closed that one off and went to the LEFT rear and opened the bleeder. Same
story--NO brake fluid is being pumped through the system to the rear. The
piston
in the pressure switch is centered.
Could the flex tube be collapsed? OR is there another problem?
--David C.
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