Question about 2000 Harley Davidson FLHTCUI Electra Glide Ultra Classic

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What is the proper way to bleed the front dual disc brakes on a 2005 electra glide FLHT?

I put a new tire on, but in order to get the wheel off to do this, I had to take the brake calipers off to get the wheel off. When I put everything back together, the break lever went all the way down. When ever I tried bleeding them I couldn't get any air out of the system, but my brake lever worked good, but when I moved the bike a few feet, the lever would go back all the way down. Is there some special way to properly bleed these?

Posted by Anonymous on


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Starting the bike has effect on the front brakes and I doubt moving the bike does either. The problem sounds like you're using an improper procedure to bleed the brakes.

First, fill the front master cylinder reservoir with the proper type of brake fluid. Then, bleed the master cylinder. Use this EXACT procedure. Squeeze the lever and hold it. Then loosen the line from the front master cylinder and allow the pressure to bleed off. Release the brake lever. Repeat this procedure again. Do not allow the master cylinder reservoir to run dry during any part of this bleeding process.

Then move to the caliper bleeder valve. Squeeze and hold the brake lever, open the bleeder valve and bleed off the pressure, close the valve, release the lever and allow the master cylinder to refill. Repeat until you get a full firm brake lever. Top of the master cylinder. Wait a few minutes and test the brakes.

If you cannot get anything to work out, look in the very bottom of the master cylinder reservoir and you'll two holes. One is relatively large and the other is very small. Using a small drill bit or a strand of wire, make sure the small hole is open. I've seen trash plug this hole and the brakes not work correctly. DO NOT MIX DIFFERENT TYPES OF BRAKE FLUID. The correct brake fluid to use is printed on top of the reservior top.

Make sure you test the brakes before riding the bike, improper brake servicing can lead to serious injury or death.

Good Luck

Posted on Oct 24, 2010


Brian H

  • 1 Answer


WD4ITY has no clue what he in talkjing about in regards to starting the bike or moving it has no effect on brakes loosing pressure. I for one have this EXACT same issue. I can bleed the brakes to where they are rock solid, and while sitting still the brakes are rock hard. The moment I move the back backwards or forwards even the slightest bit, the brakes loose all pressure and the handle moves to the grip. It's due to the front rotor being out of alignment or at an angle in comparison to the brake caliper. When you move the bike forward or reverse the rotor is pushing the pads apart causing your handle to have a no pressure effect since you must now squeeze it a few times to regain pressure. On my FXD this was caused by the front wheel not being spaced properly causing the forks to come in at the bottom causing a slight rotors out of angle effect. I did notice a starting effect where I would loose some pressure, but I accounted this to me sitting on bike, lifting it up straight which caused the rotor to push on pads which in turn made me thing starting caused the loose of pressure. Don't always believe what people type on the internew telling you that moving a bike has no effect when it in fact does and any Harley tech or sport bike tech for that matter, worth their salt should tell you this same thing.

Posted on Jul 31, 2013


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