No front brakes Please Hepl !! - Steve Saunders Goldwing Forums

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post #1 of 57 (permalink) Old 01-27-2008, 07:56 AM Thread Starter
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Hi I have been trying to get brakes for a week and a half i've just about had enough with this bike. This bike sat and I am trying to go through it wheel to wheel uncovering problems everytime I get near it!! The front calipers were dragging not much but enough to make it difficult to back it up in a parking spot. I removed them and cleaned them out, there was some gunk now they are spotless the square O rings are in perfect shape. While I was in I rebuilt the master. Nowvery little brake pressure. I have gone through all old posts. I have bled them many many times. I am convinced there is no air in system although with this pandoras box I have been proven wrong many times.If I put a vice grip just above each caliper and pinch off the line the brake handle is hard as a rock. Therefore I believe eliminating any doubt about master cylinder or integrity of rubber lines. It all points to caliper probems I took one off this morning dismanteled and gave a look, there is realy nothing to see they are very simple. Please advise I don't know where to turn next and I can't ride bike. Thank You Tom
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post #2 of 57 (permalink) Old 01-27-2008, 08:34 AM
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Good morning Thessler, your description is classic air in the lines. Since you have had the system apart there is great likelihood that there is an air bubble in one (or more)of the banjo joints. The only way I know to get it out is to apply pressure to the brake lever and crack the banjobolt loose momentarily. Be sure to wrap the area you are working in to protect the paint from brake fluid. If you have a My-Ti-Vac that may be able to get the bubble out also.

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post #3 of 57 (permalink) Old 01-27-2008, 08:42 AM
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If you put DOT 5 in a DOT 3 system you have a gummed up mess.

Was the "gunk" like hard jellow?

If you can accumulate pressure by pinching the break line and there is no other obstruction the system still has air in it, keep bleeding at the caliper till fluid comes out.

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post #4 of 57 (permalink) Old 01-27-2008, 08:53 AM
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Try and suck the fluid/air out the bleeder valve..get a big syringe and some 1/4"
tubing. A poor man's brake bleeder..

Cracking the banjo's and pumping a little might do the trick as well as said above.

Also on old bikes the tubing can fail, collapse inside and not allow the brakes to release, or the VERY small port in the master cylinder can get clogged and not allow the brakes to release as well. Of the two ports at the bottom of the master it's the one closest to the front and you have to have the reservoir off to get at it.

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post #5 of 57 (permalink) Old 01-27-2008, 08:54 AM
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Hopefully you haven't put the calipers on the wrong side and ended up with the bleeder screw at the bottom...This way you'll never get a pedal. Just a thought.

I enjoy a good ride...........
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post #6 of 57 (permalink) Old 01-27-2008, 09:04 AM
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The union half way up is also a good place which holds air. Either unbolt it from the frame and twist it into a vertical or bleed with the bike on the mainstand and the steering on left lock (From memory). It should put the line from the master cylinder at the high point of the union.

The other dodge is to pull the lever up to the bar and fix it there for the night - again on left lock. The bubbles then make their own way out.

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post #7 of 57 (permalink) Old 01-27-2008, 09:06 AM
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One of these is a BIG live saver. I use one all the time.

Get it at Harbor Freight. You won't be sorry.

The things I liked,,,,I\'ve tried em twice!
You have to be a little Crazy,,,,,, or else you\'ll go Insane.
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post #8 of 57 (permalink) Old 01-27-2008, 09:19 AM Thread Starter
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Thanks for the replys. I have bled every banjo bolt including the splitter. Used the correct brake fluid, The calipers are on the propper side. I ran a small wire through the small port in the front of the master, I even tie wraped the brake handle to the bar over night that had no effect. Lastly I pumped the fliud from the bleeders up into the master with no improvement. I know this sounds like air and i'm sure i'm doing something wrong I am completely lost on this. Thanks Tom
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post #9 of 57 (permalink) Old 01-27-2008, 09:29 AM
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maybe the bore in the master is worn out and its bypassing. Did you put fresh rubber in the master.JB

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post #10 of 57 (permalink) Old 01-27-2008, 09:59 AM Thread Starter
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Yes I put a kit in the master. Besides the dragging the brakes worked fine before I came along. Tom
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