| [GMCnet] Brake Residual Valves [message #284993] |
Sat, 15 August 2015 13:57  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
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Senior Member |
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For vehicles with the Master Cylinder mounted below the calipers, it's
usual to install 1 psi residual valves in the brake lines to prevent fluid
from migrating back to the MC.
I'm thinking about installing some in the GMC's brake lines to try to raise
the brake pedal a little. There's certainly no drain back from our
calipers to the MC, but I suspect there's less than optimal, and equal,
hysteresis in the caliper seals. If so, that little bit of pressure might
help keep the pads lightly against the discs. It might even tend to
compensate for some of the run-out all of our discs have.
Has anyone here tried that? With what results?
Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI & EBL,
Manny Brakes & 1-Ton, etc., etc.
www.gmcwipersetc.com
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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