In a message dated 97-02-17 14:09:57 EST, howersl@ttown.apci.com (S. L.
Hower) writes:
73 MGB, dual circuit brake system, rebuilt calipers, rebuilt master
cylinder (both rebuilt by me), new wheel cylinders, new brake lines,
hoses, pads and shoes. All components were replaced or rebuilt.
I am using DOT5 brake fluid (silicone).
Here are the symptoms:
After driving for about 10 mins, both calipers begin to drag, the
pressure differential warning light turns on (and remains on) and
eventually the front brakes grab- you can smell the pads heating up.
If I let the car sit for about 15 mins, the P-D-W goes out and the
process repeats again.
Scott, here are my thoughts:
1. You did say you replaced the hoses didn't you? A defective hose can
sometimes act as a check valve.
2. A flake of something in the fluid... again, acting as a check valve.
3. The return spring (or something else) in the pedal box not returning ths
master cylinder back to the proper position to allow bleed back.
4. The master cylinder itself.
R. Johnson - Dallas
'90 Maine Coon
'79 Midget
'76 Midget
'73 MGB
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