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Rear Brake Locks Up

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Old Feb 25, 2008 | 11:19 AM
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Default Rear Brake Locks Up

The rear brakes on my wifes 93 Hugger must be dragging. After riding a mile or so the rear wheel starts to lock up. The rotor is hot to touch. If I adjust the pedal could that solve the problem.Can disk brakes adjusted out as drum brakes can.
 
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Old Feb 25, 2008 | 11:30 AM
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Default RE: Rear Brake Locks Up

If it is a hydraulic brake there is no adjustment.
Check the bushing on the brake lever, if they are plastic they may be too tight. When the bushing gets hot it expands & can overcome the return springs force.The fix is to sand the bushing (increase the ID). If they manufacture the bushing too big the pedal will be slopy, can't sell a bike if the brake pedal wiggles.
 
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Old Feb 25, 2008 | 11:31 AM
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Default RE: Rear Brake Locks Up

Diid you get some brake fluid on the pads? I've never had it happen on a bike but I screwed up once on a car and they would lock up.
 
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Old Feb 25, 2008 | 11:32 AM
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Default RE: Rear Brake Locks Up

Sounds like (keep in mind it's almost impossible to diagnose a problem when you can't see the vehicle, so this is only a suggestion) the rear caliper may be sticking or freezing up. You may be able to rebuild the caliper, or just replace it. Also the rotor may have been damaged from the heat. It would be a good time (since it's all apart)to replace the pads and rotor as well.
 
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Old Feb 25, 2008 | 11:39 AM
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Default RE: Rear Brake Locks Up

They are hudraulic.The bike has not been ridden in several years. I willclean the system with denatured alcohol and see if the piston is sticking before I spend $ on a rebuild kit.
 
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Old Feb 25, 2008 | 12:12 PM
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Default RE: Rear Brake Locks Up

Gringo, Gringo, Gringo were talking about your breakes here please spend the money and rebuild the caliper. Better to be safe that sorry.
 
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Old Feb 25, 2008 | 12:51 PM
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Default RE: Rear Brake Locks Up

ORIGINAL: BLKXL12C

Gringo, Gringo, Gringo were talking about your breakes here please spend the money and rebuild the caliper. Better to be safe that sorry.
+1 The bike is 15 years old, if from nothing other than age, it's time to rebuild the cylinders.
 
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Old Feb 25, 2008 | 02:30 PM
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Default RE: Rear Brake Locks Up

Remimber this is the old ladys bike not a hot girlfriend
 
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Old Feb 25, 2008 | 02:41 PM
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Default RE: Rear Brake Locks Up

As long as her BIG life insurance policy is all paid up, I guess you're good to go then.
 
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Old Feb 25, 2008 | 03:21 PM
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Default RE: Rear Brake Locks Up

Possible brake hose collapesing on the inside and stopping the caliper from backing off.
 
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