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rear brake bleeding

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Old Jul 17, 2007 | 05:42 AM
  #1  
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Default rear brake bleeding

I bought the Arlen Ness 3" control extensions with the new stainless rear brake line. I have bled the brakes and it still feels spongy. It just seems like It doesnt get pressure till Im way down. I bled the crap out of it. Is there still air? Do I need to bleed it more or is there some trick to it?
 
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Old Jul 17, 2007 | 09:51 AM
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Default RE: rear brake bleeding

Did you check for leaks around the pressure block? When I installed mine, one of the hose connections was a little loose. Also, let it sit overnight and try bleeding it again. I got some more air out of mine that way.

Or it could be that since the angle has changed, it might seem like it requires more pressure to stop.

My .02
 
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Old Jul 17, 2007 | 12:05 PM
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Default RE: rear brake bleeding

i installed mine last night on an 07 softail custum, boy was that shifter side easy...lol, brake side was a little more work. I had to bleed mine for awhile to get all of the bubbles out, you need to use a clear piece of tubing to see that yuo got it all. The bike rides so much nicer with those controls out in front. good luck
 
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Old Jul 17, 2007 | 12:15 PM
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Default RE: rear brake bleeding

it might take a while to bleed. also, my brakes, with the extra reach felt a little spongy but i think its just the different angle and longer stretch...
 
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Old Jul 17, 2007 | 04:16 PM
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Default RE: rear brake bleeding

ORIGINAL: Finn111

Did you check for leaks around the pressure block? When I installed mine, one of the hose connections was a little loose. Also, let it sit overnight and try bleeding it again. I got some more air out of mine that way.

Or it could be that since the angle has changed, it might seem like it requires more pressure to stop.

My .02
Tend to agree with the repositioning. Your foot and leg developed muscle memory with the old pedal and will need time to adjust to new positioning. Tiger Woods spoke to this in an interview when he totally changed his golf swing, the muscles needed time to catch up with new movements. Letting the bike sit overnight may also help as air molecules in a hydraulic system will break down and "become" part of the fluid. Seen for 20 years in military aircraft.
 
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Old Jul 17, 2007 | 04:25 PM
  #6  
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Default RE: rear brake bleeding

Not to thread hijack... but NavyChief... you ever hear of VFA-125 out of Lemoore, California?

I spent 3 years in that squadron... was a Marine. Parachute Rigger on the F/A 18. We were the first to get those airplanes back in early 80's. We were a training squadron. Had around 60 Hornets. I seen alot of big wigs come through our squadron taking back seat hops. Even met the McDonnel Douglas test pilots and one that crashed a hornet 200 foot off the ground. Seeing your sig pic brings back memories.
 
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Old Jul 17, 2007 | 06:51 PM
  #7  
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Default RE: rear brake bleeding

Make sure you use teflon on the thread of the lines that go to the pressure block. Mechanic recommended the one in the squeeze tube.

I also spent allot of time bleading.Navycheif is right. Blead the brake again the next day and finally the pedal came back!
 
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Old Jul 18, 2007 | 06:21 AM
  #8  
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Default RE: rear brake bleeding

I bled mine in about 20 min, using a Mityvac. It gave good, firm brakes the first time. Be sure you use DOT 5 fluid too.
 
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Old Jul 18, 2007 | 10:53 AM
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Default RE: rear brake bleeding

ORIGINAL: surv1

I bled mine in about 20 min, using a Mityvac. It gave good, firm brakes the first time. Be sure you use DOT 5 fluid too.
I am going to get one of them.
The lid of the master cyl. says use Dot 4
 
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