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'93 gl-1500, so i drained the line and used a hand oiler and pumped fluid from the caliper to resevor. still nothing. so now i'll use the mityvac tool. am i missing anything. had some brake before
 

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Are you talking about the rear brake pedal or front brake lever or both?
 

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If you are working on the front brake, you may need to loosen the banjo fitting at the reservoir and bleed it there.
 

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The original post indicated he is working with the front brake system.

He said "drained the line" and said from the "caliper" to the reservoir.

The rear brake has two lines, one to the rear and one to the front. Plus there are two calipers involved.

But I could be interpreting the original message incorrect.

What did I miss...?:grin3:
 

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clear as mud to me, , , , ,The word "LEVER" as opposed to "PEDAL" makes me believe he has FRONT BRAKE troubles, , , , my .02 cents


Now we have to make sure he's doing the right side caliper, , , right???
 

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I have had to pull the brake line off of the master cylinder (completely remove the banjo fitting bolt) and fill the plunger space with fluid by hand. I used a small syringe to place the fluid. I could not get the master cylinder to prime the plunger even using a vacuum bleeder.
 

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I have had to pull the brake line off of the master cylinder (completely remove the banjo fitting bolt) and fill the plunger space with fluid by hand. I used a small syringe to place the fluid. I could not get the master cylinder to prime the plunger even using a vacuum bleeder.
In that case the return hole is plugged or the piston is not returning completely & the brakes will lock up after they get hot.
 

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Not so. The return hole was open allowing fluid/air back into the reservoir. It simply would not prime. After I puled the banjo bolt, filled the plunger cylinder, replaced the banjo bolt, and bled the banjo fitting it worked.

Had plugged return hole in clutch master causing clutch to slip when heated. Opened return hole and tried to bleed. Again I had to pull the banjo fitting and fill plunger cylinder before it would prime. Might be it is supposed to prime by operating thr lever but neither master cylinder cooperated. Brake and clutch work as specified now.
 

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Not so. The return hole was open allowing fluid/air back into the reservoir. It simply would not prime. After I puled the banjo bolt, filled the plunger cylinder, replaced the banjo bolt, and bled the banjo fitting it worked.

Had plugged return hole in clutch master causing clutch to slip when heated. Opened return hole and tried to bleed. Again I had to pull the banjo fitting and fill plunger cylinder before it would prime. Might be it is supposed to prime by operating thr lever but neither master cylinder cooperated. Brake and clutch work as specified now.
Really is no need to bleed the banjo bolt. Just turn the handlebars so the banjo bolt is lower than the master. Bleed as normal.
 
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