Singin Brake
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Seasoned HDF Member
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From: King George, VA
Singin Brake
I have a 2006 Road Glide. Every once in a while after making a turn at slow speed, the rear disc brake sings until I tap the rear brake pedal. Is there a way to make this stop or is it a rear fork alignment problem?
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Seasoned HDF Member
Joined: Jun 2006
Posts: 30,875
Likes: 32,916
From: King George, VA
RE: Singin Brake
I thought that might have been the problem when it first became noticable, so I cleaned the rotors but they are still making noise. I guess I should take the pads out and clean them before going to the dealer.
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RE: Singin Brake
do you live in a high humidity area or ride in wet weather?
Calipers normally don't stick.
But if moisture gets past the dust boot on the piston it creates a "rust"
ring causing the pistons to hangup.
The only thing that removes the pads back from the rotor is the elasticity
of the square cut o'ring in the caliper.
some times when piston is out very far (thin brakes) the rust ring will develop
and be more resistance than what the square cut o ring can overcome.
Sometimes just using a C-clamp to recompress pistons all the way will cure this.
Sometimes you need to rebuild the caliper.
also get some disk brake quiet. coat the BACK of the pads (where pad is against the caliper). When pistons retract this will ensure the pad moves back as far as possible
from the rotor.
Calipers normally don't stick.
But if moisture gets past the dust boot on the piston it creates a "rust"
ring causing the pistons to hangup.
The only thing that removes the pads back from the rotor is the elasticity
of the square cut o'ring in the caliper.
some times when piston is out very far (thin brakes) the rust ring will develop
and be more resistance than what the square cut o ring can overcome.
Sometimes just using a C-clamp to recompress pistons all the way will cure this.
Sometimes you need to rebuild the caliper.
also get some disk brake quiet. coat the BACK of the pads (where pad is against the caliper). When pistons retract this will ensure the pad moves back as far as possible
from the rotor.
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