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Old 07-20-2013, 07:39 PM
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New Rear Brakes Rubbing on 2009 F250 Diesel

Tonight I installed new brake pads and rotors (rear) on my 2009 F250 Powerstroke. I took the calibers off and re-lubed the guide bolts, replaced the cheap metal pad clips and installed new pads. The rotors are motorcraft and the pads are Duralast Gold. Not impressed with the Duralast Gold but thought I would try them. Each caliber was obviously rest back to full open given I pulled them which drained the fluid. Upon reinstalling the loaded calipers I had plenty of room to slip the caliper over the rotor. I then bled each side having my sife help me. She pressed the pedal and I open and closed the bleeder valve. I thought I had done everything right but the pads are rubbing on the rotor after I drove it. I can stop and nothing feels mushy. I googled and did some searches and some people say yest new pads and rotors will rub at first. However, I want to be sure other people have had this issue. I was not really impressed with the cheap pad clips but they are in there right as I compared them with the OEM install. Any thoughts or comments? Is this normal or does it sound like the pads are are not releasing away from the rotor?
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Old 07-21-2013, 03:45 AM
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First let me say that I'm no expert on brakes, but I have install many sets in my time. I am not sure what you mean when you say that are rubbing. But if you are talking about still touching the rotors that would be normal. the system applies pressure to squeeze the rotor to make you stop. but there is nothing to pull them back clear from the rotors. Now if your calipers are binding and not releasing you will have a problem. Did you lube the mounting bolts for the calipers as they have to be able to slide freely on them. Raise the rear tires off the ground (both at same time) and see if they turn freely, if so you should be good to go.

Hope this helps and good luck.
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Old 07-21-2013, 05:42 AM
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Thanks LAW-DOG, when I took the calipers off I pulled the guide bolts in the calipers and relubed them. Both calipers freely slide in and out so I don"t think they are binding. Great suggestion on raising the rear and checking for free rotation. I was pretty tired last night and did not even think about that. All I could see were more dollar signs after a long day of DYI'ing.
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Old 07-21-2013, 08:43 AM
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Quote:
Originally Posted by estoppel101 View Post
Thanks LAW-DOG, when I took the calipers off I pulled the guide bolts in the calipers and relubed them. Both calipers freely slide in and out so I don"t think they are binding. Great suggestion on raising the rear and checking for free rotation. I was pretty tired last night and did not even think about that. All I could see were more dollar signs after a long day of DYI'ing.
The only other thing I can think of, if you some how rotated the caliper 360 degrees before installing you could crimp the brake hose and it will not release pressure. Don't asked me how I know, but my son-in-law was helping the last time I did my brakes.
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Old 07-21-2013, 09:56 AM
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Quote:
Originally Posted by LAW-DOG View Post
The only other thing I can think of, if you some how rotated the caliper 360 degrees before installing you could crimp the brake hose and it will not release pressure. Don't asked me how I know, but my son-in-law was helping the last time I did my brakes.
Too funny! It does sound like something I would do. But to avoid that I only did one side at a time. I took it out this morning and did the whole bed in procedure. The noise is 95% gone. I appreciate the input. Coming to a site like this is much better than Googling it. I felt like I had scroogled my self last night reading the internet!
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