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Old Sep 14, 2014 | 04:21 PM
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Default brake bleeding
hi was hoping to get some help.I bought a vacuum pump and was going to bleed the rear brakes as i had to change a brake switch i have the pump connected by hose to collection container and the other hose from container going to bleeder on caliper.I took of the top of the rear master cylinder pump the vacuum pump till i had a 15 psi the cracked opend the bleeder valve and its not drawing out any brake fluid what am i doing wrong?Thanks in advance
 
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Old Sep 14, 2014 | 04:58 PM
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If you have a combo vacuum and pressure pump, make sure you have it set to "vacuum". Otherwise you're pushing out 15 psi of air instead of sucking it in.
 
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Old Sep 14, 2014 | 05:28 PM
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Its one of those metal pumps from harbor freight there is no setting to change from pump to vacuum
 
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Old Sep 14, 2014 | 05:35 PM
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You sure you dont have it hooked up backwards? Look under the lid on how the tube and fluid enters the containor, I suspect your trying to suck all the air out of the container, fluid will not come out that way. What I do is pump out the mc, clean with denatured alcohol fill reservoir with new CORRECT fluid, then hook up and evacuate through the bleeder screw. When you see the new fluid come out the tube youre done, just be careful not to let the mc get too low, keep it full.
 
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Old Sep 14, 2014 | 05:38 PM
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just a button that release the vacuum
 
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Old Sep 14, 2014 | 05:46 PM
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your bike have ABS
 
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Old Sep 14, 2014 | 06:54 PM
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there is a 3 inch hose inside the collector container on the side that goes to the caliper that what is shows in directions
 
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Old Sep 14, 2014 | 07:32 PM
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I tried the vacuum thing and it was crap - never could get a good seal. I ended up buying a pair of speedbleeders with the hose and bag. Much easier and well worth the money.

http://www.speedbleeder.zoovy.com/
 
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Old Sep 14, 2014 | 07:55 PM
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Originally Posted by brenn
I tried the vacuum thing and it was crap - never could get a good seal. I ended up buying a pair of speedbleeders with the hose and bag. Much easier and well worth the money.

http://www.speedbleeder.zoovy.com/
+1
on that...
 
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Old Sep 14, 2014 | 09:15 PM
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Are you opening the bleeder enough? Open a little more...
Works great for me.
 
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