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Brake Squeal is Driving Me Nuts!

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  #51  
Old 03-08-2016, 11:17 PM
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Just curious, when it's lifted and brake is applied and released do you get a good clean release and free spin. What I'm getting at is shimming rotors or calipers to improve alignment.
 
  #52  
Old 03-09-2016, 10:01 AM
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Originally Posted by TSheff
Just curious, when it's lifted and brake is applied and released do you get a good clean release and free spin. What I'm getting at is shimming rotors or calipers to improve alignment.
I can hear a little scratching when I spin the tire but, it could be the new rotors/pads. It doesnt drag. Im going to try to find some backing material at the parts store to go on the inboard pad that touches the piston. I really think its the cheesy oem rotors though.
 
  #53  
Old 03-16-2016, 06:48 PM
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I ended up rebuilding both front calipers with Drag Specialties seal kits. They come with new pistons and cost around $30.00. So far, my brakes are quiet and working better than ever. Had one hell of a time bleeding the system though, even with my Mityvac, but found that tapping on the calipers helps break up the air bubbles trapped inside. Fingers crossed....
 
  #54  
Old 03-16-2016, 07:16 PM
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Originally Posted by 89FLHTC
I ended up rebuilding both front calipers with Drag Specialties seal kits. They come with new pistons and cost around $30.00. So far, my brakes are quiet and working better than ever. Had one hell of a time bleeding the system though, even with my Mityvac, but found that tapping on the calipers helps break up the air bubbles trapped inside. Fingers crossed....
See post 19 - (not the LTR part), but the disassemble & clean.
I've never had any that I completely tore down an cleaned fail to work properly.

Glad you fixed it.
 
  #55  
Old 03-16-2016, 07:26 PM
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Originally Posted by TSheff
See post 19 - (not the LTR part), but the disassemble & clean.
I've never had any that I completely tore down an cleaned fail to work properly.

Glad you fixed it.
Thats what I was doing when I found that one of the pistons was scored. When I pulled the brake lever in, that piston would push the pad out at an angle. It was wedging inside the cylinder bore. I probably could have sanded and polished the marks out of it but, it would have always been in the back of my mind. Surprisingly, the calipers were very clean inside. I couldnt find any crud built up anywhere.
 
  #56  
Old 03-16-2016, 07:40 PM
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Originally Posted by 89FLHTC
Thats what I was doing when I found that one of the pistons was scored. When I pulled the brake lever in, that piston would push the pad out at an angle. It was wedging inside the cylinder bore. I probably could have sanded and polished the marks out of it but, it would have always been in the back of my mind. Surprisingly, the calipers were very clean inside. I couldnt find any crud built up anywhere.
Good deal. I usually do a good clean, make sure the ports are clear, steel wool the pistons and reuse the seals if they look good, and a good flush and bleed. If those pistons were scored, you definitely did the right thing.
It's a lot more important to stop well that go fast.
Glad it worked out.
 
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