One possiblity to consider :
Seems to be a fairly common occurance with old brake hoses. A small flap of
rubber may lift off on the inside of the hose, usually where it bends. After
braking, the flap may lift up and block the release of hydraulic pressure
leading to the brakes sticking on -acts like a check valve - just like a
line-locker parking brake. Given a few minutes the pressure will bleed by the
flap and
the brakes will release.
Doesn't always happen, and may need to have the hose flexing just right, so
it can be a frustrating thing to diagnose unless somebody mentions it.
Replace the brake hoses. flush and bleed the system and adjust the brakes and
all
should be well.
Mark, not
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Laurie :-)
'70-SPL311
AzROC
Chandler, AZ
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