Question about 1993 Harley Davidson FXR Super Glide

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Back disc brake keeps locking up on 76 harley

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On my 75 flah I would clean the disc with toothpaste that would take the glaze offalso I would either separate the have of the caliperand clean around the Pok with brake clean and no toothbrush and make sure that the part comes out every tracks don't push too hard are your pop it out of its socket also water can get the in the master cylinder being down low under the rubber bootmoves freely the piston inside the master cylinder mine would get water under the booth and cause it to hang up these are the areas to check clean and make sure they work well

Posted on Oct 14, 2013


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Posted on Jan 02, 2017


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Front brake locks up on its own while riding, then releases after bleeder is opened. Why?

Hi, James your front caliper may be contaminated not allowing the pistons to move freely I suggest you take it apart for inspection dress pistons and bores if scuffed with 600 grit wet/dry sandpaper clean everything with Brake Kleen and install a new seal kit for this scenario you will need your service/owners manual if you can not find the first and best tool you ever bought for your Harley, despair not, for a mere $5 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below and for more specific information or questions at no charge please feel free to contact me at Good luck and have a nice day.
Brake caliper rebuild photos Harley Davidson Forums
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Aug 29, 2016 | 2007 Harley Davidson FXSTD Softail Deuce

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I have a 76 electraglide with a 78 Harley sidecar on it & the rear brake pedal is always spongy - is there a problem with the bike having a disc brake & the sidecar being drum?

I would say that the problem is the improper action of the two different brake systems
to explain when you have drum brakes there is a non return valve in the master cylinder that holds residual pressure in the brake lines
with disc brakes that valve is not there as disc brakes do not tolerate residual pressure as that would keep the pads in a drag situation
I am thinking that your system has no non-return valve and so the spongy feeling is the brake shoes moving out to the drum to make contact
the first action is the pads will touch the disc and then the pressure equalizes out by moving the shoes to the drum ( spongy feel) then pressure as both the drum and disc start to brake
talk with a brake specialist shop or specialist bike shop as to possible explanations and fixes that can be applied

May 23, 2016 | Motorcycles

1 Answer

I have a 64 impala I want to put disc breaks in front is there a car that would enter change with it

buy it yourself cheaper Impala disc brake conversion

get rotors from
69-74 nova
70-72 monte carlo
67-72 chevelle
69-72 gto
69-72 grand prix
69-72 buick skylark
69-72 buick grand sport
69-72 buick apollo

use the bearing and seals for the car you u choose to get the rotors from

75-75 nova
73-76 monte carlo
73-76 chevelle
73-76 grand prix
73-76 GTO
73-76 tempest

must use original power brake booster from 61-64 impala

must use a master cylinder from 71-72 impala deep cup bendix part number 10-1496

71-80 gm combination valve

73 chevelle brake hoses

must buy brackets for the calipers, many places in super chevy magazine sell them cheaply!!!

Nov 01, 2014 | Cars & Trucks

1 Answer

Why would the back brakes lock up on a 92 fxr lowrider

Sounds like caliper seized. Remove, clean, rebuild, and bleed the old brake fluid making sure to use what Harley recommends. If you don't want to rebuild, you can buy a new one fairly cheap, then bleed the air and old brake fluid out.

Apr 07, 2013 | Harley Davidson Motorcycles

1 Answer

My 2001 harley davidson fxdl dyna low rider's front brake pads drag

your brake disc is bent or the old brake pad worn to the metal and has spoilt the disc , is either you resurface disc or replace the disc.

Jun 28, 2012 | 2001 Harley Davidson FXDL Dyna Low Rider

1 Answer

Front brake does not completely disengage. lever is lax, brake light stays on. fluid level ok.

Are you sure the brake is not releasing? Disc brake pads do not pull back from the disc like drum brake shoes pull back from the drum. They hold a slight contact with the disc to keep dirt and water off the disc and the pads. That's why disc brakes work so much better than drum brakes in wet conditions. I suspect that your brake lever and the pivot pin are worn and need replacing. How much up and down movement does the lever have? The plunger in the brake master cylinder pushes the lever back but the lever operates the front brake light switch. If the lever and it's pivot pin are worn, the lever will not come back far enough to depress the switch.

Good Luck

Aug 31, 2011 | 2000 Harley Davidson FLSTC Heritage...

1 Answer

Rear brake will not keep its prime

a bent disc or bad wheel bearing can push the pads back, and you need to pump it for the brakes to work, or it requires a seal kit in the rear brake master cylnder

Apr 26, 2010 | 2003 Harley Davidson FXSTS Springer...

1 Answer


The rear brake of the Sportster is a simple hydraulic disc brake consisting of a master cylinder, brake hoses, and a disc brake caliper. My suggestion it that you purchase an original H-D service manual but a Clymer's manual will show you this part. Do an online search for "harley service manual". or are two good sources.

Good Luck

Apr 23, 2010 | 1993 Harley Davidson XLH Sportster 883

1 Answer

How do you get the rear brake rotor off, normally they just pull off once the caliper is removed, I did'nt want to beat on it.

Removal & Installation
  1. Remove the front wheel.
  2. Drain the brake fluid.
  3. Remove the union bolt and gasket from the disc brake cylinder and disconnect the flexible hose.
  4. Remove the disc brake cylinder sub-assembly.
  5. Remove the disc brake pad kit.
  6. Remove the two disc brake pad support plates from the cylinder mounting.
  7. Remove the two cylinder slide pins from the disc brake cylinder mounting.
  8. Remove the two bolts and the disc brake cylinder mounting.
  9. Remove the disc.
  10. Immediately, matchmark the disc to the axle hub.
To install:
  1. Installation is the reverse of removal.
  2. Torque the disc retaining bolts to 76 ft. lbs. (103 Nm).

Jan 18, 2010 | 2002 Toyota Camry

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