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Re: Recently had brakes redone now i have heat on rotar...
Check for propper brake fluid on system, somtimes human error can put power steering fluid intead of brake flluid. If this has ocurr, you must bleed all the brakes system. Sammyc47
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Try releasing the pressure at the bleeder valve at each rear wheel . If this unlocks them rebleed the air if any from them . Did you install new brake retraction springs to the shoes ?
The brake hoses are more than likely bad and need replaced. These tend to colapse over the years and cause this condition. Have you had these checkd out? Look them over and see if they seemed to be colapsing or kinking. The heat can cause the rubber in the hoses to become more flexible and therefore colapse easier.
the problem will be in the master cylinder compensating port blocked
disc brakes do not have return valves or residual line pressure like drum brakes
if at any time the heated brake fluid is not allowed to expand back into the reservoir it expands and pushes the disc brakes harder on
catch 22 situation
dragging pads generate heat , fluid expands and presses the pads on harder = more heat =more pressure
the rotors have to be running true ( no wobbles) wheel bearings have to be correctly adjusted or replaced and the calliper body has to move freely on the mounting pins to allow for self centering action
instead of the mechanic go to an accredited brake professional shop and have a proper diagnosis and quote done
Try bleeding the entire brake system and I would recommend using fresh brake fluid. Do the front brakes or rear brakes lock up? Perhaps the front calipers need to be worn in a bit since the car has been sitting for a while or the rear wheel cylinders need to be worn in as well. Parts tend to dry up when not used on a regular basis.
The brake calipers don't seem to be relesing all the way you might have to replace them or try to get a brake bleeping service and see if that helps them out. Does it pull when you hit the brakes?
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