completely flush the line and you should be good to go .
Inquiry on Brake issues
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1st Gear
Joined: Jun 2019
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From: Here today, there tomorrow
Inquiry on Brake issues
I recently purchased a 2000 Sportster XL883C and have the following experience. During a ride, after about 15-20 minutes, the rear brake begins to lock. No application of the brake petal. Some have told me it is a collapsed brake line, some have said it is an air lock, some have said the caliper is bad. Any of you experience the same issue and what was the cause?
Stellar HDF Member
Joined: Oct 2010
Posts: 2,601
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From: east texas
wrong, the caliper is sticking, flushing will not clean the pistons in the caliper.
pull the calipers( both ) disassemble and clean/replace the pistons. they are sticking in the bore.
then flush the system
they are not allowing the pads to break loose from the disc. because they cannot move into the caliper as pads swell from heat
result=pads get hot then expand and lock or try to lock the brake because the pistons cannot move back.
Have seen brakes lock up because of this and throw the rider, not good ending .
hope this helps
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Joined: Jan 2016
Posts: 91
Likes: 38
From: West Virginia
wrong, the caliper is sticking, flushing will not clean the pistons in the caliper.
pull the calipers( both ) disassemble and clean/replace the pistons. they are sticking in the bore.
then flush the system
they are not allowing the pads to break loose from the disc. because they cannot move into the caliper as pads swell from heat
result=pads get hot then expand and lock or try to lock the brake because the pistons cannot move back.
Have seen brakes lock up because of this and throw the rider, not good ending .
hope this helps
pull the calipers( both ) disassemble and clean/replace the pistons. they are sticking in the bore.
then flush the system
they are not allowing the pads to break loose from the disc. because they cannot move into the caliper as pads swell from heat
result=pads get hot then expand and lock or try to lock the brake because the pistons cannot move back.
Have seen brakes lock up because of this and throw the rider, not good ending .
hope this helps
Yep....had to rebuild my calipers when i first got the bike (previous owner let it sit for some time). Not a big deal to do and awesome brakes when your done.
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