Residual pressure elimination
#1
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Location: Emmett,Idaho
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Residual pressure elimination
Customer car 1970 Demon street/strip.
Just installed a new manual disc brake conversion brake kit from The Right Stuff.
Front brakes and master cylinder.
Installation was smooth.
*** Only propo valve in system is a manual for the rear brakes ***
Retained rear drums
Bled system several times via gravity, back bleed, then pressure bleed.
The front calipers retain pressure, thus dragging the rotors. I crack the bleeder, a little spurt, then the rotor turns freely.
Pump the brakes a couple of times and they lock up until I open the bleeder to get that little spurt.
Calipers are plumbed direct from M/C into a T then to each wheel.
Rear drums do not lock up.
Any ideas ?
The Right Stuff is now owned by Restoration Parts Unlimited and they offer zero tech assistance on their website.
Just installed a new manual disc brake conversion brake kit from The Right Stuff.
Front brakes and master cylinder.
Installation was smooth.
*** Only propo valve in system is a manual for the rear brakes ***
Retained rear drums
Bled system several times via gravity, back bleed, then pressure bleed.
The front calipers retain pressure, thus dragging the rotors. I crack the bleeder, a little spurt, then the rotor turns freely.
Pump the brakes a couple of times and they lock up until I open the bleeder to get that little spurt.
Calipers are plumbed direct from M/C into a T then to each wheel.
Rear drums do not lock up.
Any ideas ?
The Right Stuff is now owned by Restoration Parts Unlimited and they offer zero tech assistance on their website.
Last edited by DriverOfMissDD; 07-20-2022 at 01:55 PM.
#5
Mopar Lover
I Agree with five points..... Also double check the flex hoses to make sure they are not working as a one way check valve... If that's all good I would say you have to remove or change to a lower residual valve setting.
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