Loosing rear break
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Novice
Joined: Sep 2010
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From: long island
Loosing rear break
Can anyone tell me why my 06 Deuce looses it's rear break after long stop and go traffic. I will be riding in heavy traffic and the rear break peddle will begin to fade lower and lower until there is no break at all. Note if I pump it I will get some break back????
Stellar HDF Member
Joined: Mar 2006
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From: Utah
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Thread Starter
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Novice
Joined: Sep 2010
Posts: 18
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From: long island
No leaks found and the master cylinder break fluid looks good but will take your advice and rebuild the Master flush and replace the break fluid with new. If that doesn't do it I'll be back. I would hate to go to Harley and loose the month of August riding.
Elite HDF Member
Joined: Jul 2007
Posts: 3,891
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From: Mansfield, MA
Maybe as simple as bleeding them.. Could be air in the line..
How close is the brake line to the exhaust? I have heard of the brake fluid heating up, causing the brakes to lose pressure.
How close is the brake line to the exhaust? I have heard of the brake fluid heating up, causing the brakes to lose pressure.
Road Master
Joined: Sep 2009
Posts: 932
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From: Pacific NorthWest Territory
Its no fun when brake fluid changes to a gas.
Road Master
Joined: Jun 2012
Posts: 974
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From: Utah
Yep, my guess is either your fluid is breaking down under heat due to age or your system is sucking air somewhere. Rebuild it, bleed them and you should be good.
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Joined: Nov 2011
Posts: 79
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From: Missouri
Funny you mention this. I was riding my bike home last night and experienced the same thing. Haven't had a chance to look at what the cause of the problem is, but sounds like I need to do the same thing.
Stellar HDF Member
Joined: Mar 2006
Posts: 2,395
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From: Utah
Did you test the brake fluid with a test strip?
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