505 SW8 brake questions
From: Martin Karo (martin.karo@verizon.net)
Date: Sun 20 Oct 2002 - 21:15:25 EDT
I've revived my '91 SW8; thanks due to Brian Holm, for quickly getting me a
new master cylinder. However, I still have two, er, "issues" that I need
help on.
1) The inevitable happened; I cracked off one of the rear bleed valves (drum
brakes). I tried to "easy-out" it out, and the inevitable happened again;
the easy-out cracked off in the hole. I finally bled that wheel by
loosening the line in; sloppy but it seemed to work. Is there any reason I
can't continue to use that method? If I do need to put in a new bleed
screw, how the devil do I get the old one out? There doesn't seem to be
room to get a drill in there to drill it out, and I'm worried about metal
chips getting in the brake circuit.
2) The brake still seems a little mushy with long pedal travel before
engagement, though vastly improved. I don't think it's air in the line.
One further clue is that the hand brake seems not to engage at all now; you
pull it all the way up without meeting any real resistance. Putting these
two together, I surmise that the rear brake shoes aren't close enough to the
drum. But I thought these were supposed to be self-adjusting. Any hints
what I should be looking for here? Am I completely off track? How does one
adjust the rear shoes? From old Oldsmobiles, I vaguely recall using a
screwdriver through a slot in the back of the plate, but I can't remember
which way to turn it...
TIA for help,
Marty
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