Quote:
Originally Posted by GreatOldOne
I'm resurrecting this thread after some issues on the way back from Stoneleigh. I believe I have a brake imbalance, which is only coming to light on longer runs since I fitted the dual booster.
Vikkis rear brakes where binding, and where if not red hot, bloody hot and smoking when I got home. There was a distinct lack of oomph from her, as she was continually fighting the friction of the brakes.
This could be down to sticky calipers - and I won't know for sure until I take a look at them... But with the mileage I've done, and the lack of problems prior to the booster change, I think it could be residual pressure building up in the rear lines, keeping them engaged.
I'm wondering if I need to fit the brake pressure regulator that was on the donor, to reduce the pressure to the rear brakes. Thing is, I didn't keep mine - so I need to source one. Does anyone have one to hand?
Everything I find online is in the states - so assume that the only source will be at the parts desk.
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Sorry to hear that!
I hesitate to say this but those are the very same symptoms I had with my first 'faulty' dual diaphragm booster. Did you try lifting the brake pedal with your foot to release the brakes?
I remember checking your car a couple of years ago and confirmed the your servo always returned fully under it's own spring. Maybe your pedal has got a bit 'sticky' through lack of use over the winter months?
You should check if your brake pedal fully returns without any help.
BTW, I don't think the rear bias pressure reducer will be a cure for what you describe. I had one fitted both before and after my new booster.