Joe,
My best guess is the MC.
The PDWA is only a switch. Centering the shuttle interrupts the electrical
circuit, but has no effect on fluid flow.
Let us know what you find,
Peter
'68 TR250
on 12/22/04 2:14 PM, Lizirbydavis@cs.com at Lizirbydavis@cs.com wrote:
> I took my car out for a drive today to see if I could recreate the front
> brakes locking up. Sure enough, after a few hard applications of the brakes,
> the
> pedal got rock hard and BOTH front calipers locked up pretty tight. I
> confirmed that both rear wheels were free, and responded to brake pressure
> even
> though the front brakes were locked up. I parked the car on a hill and
> waited...after about 5 minutes the calipers released and the car rolled
> freely. I
> checked the pdwa and "I think" it's centered normally. All the hoses look
> fine, and
> the wheel cylinders and calipers are visually functioning normally. Any
> other ideas guys? I'm beginning to suspect that my new master cylinder must
> be
> bad. What should I do next? I really want to sort this out before I put the
> car away for the winter.
> Joe Davis
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