Clunking When Applying Rear Brake
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4th Gear
Joined: May 2009
Posts: 8
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Clunking When Applying Rear Brake
I have a 2004 Dyna Lowrider with 13,000 miles on it. When I brake medium hard with the rear brake there is a clunking that I can both hear and feel. It sounds like its coming from the rear end. I have done my research on here, but I don't see anybody who has resolved the problem. This happens when the clutch is pulled in. It is also multiple "clunks". Everything external seems tight and in place. When I apply the front brakes without the rear it does not do it. It also does not do it when downshifting. Any suggestions would help.
Elite HDF Member
Joined: May 2008
Posts: 4,579
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From: S.E. MO
Check that the rear tire is in line. If its off a little it will make the rotor out of line with the caliper this can cause the caliper to shift a little when you apply the brake. When it grabs and shifts this could be giving you the cluck sound.
Tourer
Joined: Dec 2007
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Road Warrior
Joined: Oct 2007
Posts: 1,643
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From: Palm Beach
I didn't mess with it... figured the brakes work so, what the hell? I deal with the clunk.
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Ultimate HDF Member
Joined: Jun 2007
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From: Richmond, VA
Its the rear motor mount. I had the problem and tried EVERYTHING on earth till I finally found the issue. I first replaced the rear axle bearings, then the rear brakes, then the rear shocks with a spare set I had, then the swing arm bearings, then the front motor mount, and cranked the steering head bearings down just to be sure. Still nothing. Finally with nothing else left on the bike that actually MOVES, I replaced the rear motor mount. That was it. Once I started jacking the rear of the motor up in the frame, I could see it was junk. They sag and the motor gets so close to the frame that the stress of applying the rear brakes is enough to get the motor to tap the frame as it shakes in its rubber mounts. Here's the thread I posted. Its long and this crap drove me so insane I was ready to kill myself. But its the rear motor mount. Guys with later bikes like yours contacted me with the same exact issue and it was the same rear mount. It will cost you a little over 100 bucks for a rear mount at the dealer and 1/2 an hour of your time. Its all of 2 bolts and two Allen's. You need a floor jack, a socket set and an Allen socket set. And a little patience.
https://www.hdforums.com/forum/evo-c...ud-rattle.html
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https://www.hdforums.com/forum/evo-c...ud-rattle.html
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Last edited by bikerlaw; Jun 16, 2010 at 09:11 AM.