so a couple days ago I noticed a grinding noise from the rear while driving
Not as I applied the brakes but a constant noise so I put the
rear on jacks and checked for the noise it's coming from the pass side rear brake and looks like the caliper won't release
so I change it bleed everything and still the same issue I removed the caliper and just put the rotor on with the lugs tight and no noise starting to think maybe the proportioning valve
has failed but I'm not sure