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Did the rv sit for awhile and have rust build up on the rotors? Are the caliper slides moving freely? After a road test do you notice any brake drag?
Ok if you had difficulty pushing the pistons in, the caliper could be hung up or an issue with a rubber brake hose collapsed inside. With the brakes dragging/hung up. Open the bleeder and see if you get a blast of pressure out of the bleeder screw. If you do then the hose is blocked and needs replaced. It should free up if this is the case. If it still drags with the bleeder open, the caliper piston is binding up and caliper needs replacement.
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Hello, do you need more help or information?
Hello, do you need more help? The question remains open until it is rates. If you need more help or information please let me know