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I have a 1983 Interstate with 36,000 miles. I rebuilt the rear brake caliper last winter and did not test ride until this spring. First trip out the I discovered the caliper was not releasing as it it should. I felt this problem was developing for a long time which is why I rebuilt the rear caliper. I removed the caliper and everything seemed perfect. I then did a search on this forum and learned about the plugging of the return port in the master cylinder. I then removed and rebuilt the rear master cylinder. I put everthing back on the bike and attempted to bleed the system with a vacuum bleeder starting with the right front caliper. I was unable to pull any fluid thru the right front caliper. I ended up removeing that caliper and rebuilding it and also removing the master cylinder and and bench testing it. Both calipers and the master cylinder reinstalled and again I tried bleeding. Still no luck pulling fliud thru the right front caliper. I pumped the foot pedal with vacuun applied. I was able to pump the vacuum bleeder to the pointwhere it would not pump anymore. I then disconnected the brake line from the master cylinder and the right front caliper and tried to blow air from the master cylinder end of the line to the caliper.... nothing. I then blew air from the caliper end was able to push out all the brake fluid with ease. Again I tried blowing air from the master cylinder end with no luck. I have stopped at this point before I put fluid back to see if anyone has any ideas as to why the system flows great in reverse and nothing in the correct direction.



Thanks for your help.
 

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The hose may be bad..."creating" a oneway valve as the hose has deteriorated. If the hose is as old as the bike then age has taken its toll. You probably will need to replace the hose.
 

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Bad brake line replace it......Might even be a better idea to replace all your bake lines...That's my next major expense....All new brake lines...

Claude....
 

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Don't know if this will help but here's my experience with bleeding the front caliper after a master cylinder rebuild on my buddy's '83 GL1100. After putting in the new fluid I would pump the handle, but could not get any pressure build up at all. I tried applying vacuum at the caliper and could get no fluid to flow from the master cylinder to the caliper. I spent 2 hours doing this and was getting really frustrated then rememberd from doing brakes on other vehicles that I should bleed at the master cylinder first. So, I pumped the brake lever, then loosened the nut on the banjo fitting at the master cylinder and a lot of air came out there. (use plenty of rags, BF will ruin paint)I did this a few times and then I could get pressure on the lever. Once I bled the master cylinder, then I moved on to the caliper and it bled perfectly. Like I said, this may not be your case but it solved the problem for me.
Jim(inSC)
 

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I had the same problem on my 83 asp. I am not sure what I did other than making sure thebleeder hosewas tight when I bled them. Two people also helps when you use the standard method. I kept at it useing both the pump and manuel pump, eventually I had brakes. I can't explain it !! But keep at you'll get it.
 

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I had already considered a bad brake line. Looked like a big job to change. Is it? And if I replace the lines are people using OEM, SS or are there any other choices?



I may tryand get it to workone more time before a buy new brake lines. I have not checked Hondas price yet but Im sure they are not cheap.
 

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jsg83 wrote:
I had already considered a bad brake line. Looked like a big job to change. Is it? And if I replace the lines are people using OEM, SS or are there any other choices?
I noticed a lot of owners are going the ss route...also some mention that some OEM bl may be approaching 30 years of age.

Terry
 
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