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Old 07-11-2012, 11:32 PM
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Default How to bleed new upper brake line?

I just received a new longer upper brake line and banjo brake bleeder for the master cylinder from SV Racing parts and I was wondering what the technique is for bleeding the brakes is. I have bled a single brake line running to a single disc brake before, but with the ABS and dual front brakes and all the hoses associated with it , I am feeling a little over my head. Does anyone have step by step info or a link to a how to do it. I need to to get this done and really need some support. Any input appreciated, thanks Bob.
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Old 07-11-2012, 11:46 PM
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Keep brake fluid off paint.

Install your parts. Fill the reservoir with DOT4 brake fluid and do not let it go empty while you're bleeding it...or you get to start over. Squeeze the lever, crack the bleeder, and catch the fluid and wet bubbles on a rag. close the bleeder, release the lever, top off the reservoir, do it again. And again. and again until the lever is firm. If it doesn't get firm, strap down the lever overnight to allow the bubbles to rise into the reservoir.
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Old 07-12-2012, 10:00 AM
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Give Blair at SVRacing a call. I understand he has a clear explanation on how best to use the upper bleeder fitting. He has a history of assisting folks here. Having said that I also installed the same on my 2011. I actually simply refilled the reservoir and very lightly squeezed the lever. Just moving the lever I saw a stream of air bubbles appear. I kept it up until they stopped then used a velcro strip tied the lever down and let it sit overnight. next morning all appeared OK. I do admit I may need to bleed again but it's been several months. If he gives you a better method please post.

Rick
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Old 07-12-2012, 10:06 AM
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Google galpher brake line installation, galfer has posted videos on YouTube that show you how to install the new lines and bleed them. It goes over bleeding with the banjo bolt via the master Cylinder.

Sent from my phone...there will be spelling errors!
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Old 07-12-2012, 07:18 PM
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The vacume brake bleeder tool has been one of my favorite tools for years.
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Old 07-12-2012, 11:15 PM
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Thanks for the input everyone. I assume I have to bleed out both front brake lines all the way down to the calipers correct?
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Old 07-12-2012, 11:21 PM
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[quote=domromer;833310]Google galpher brake line installation, galfer has posted videos on YouTube that show you how to install the new lines and bleed them. It goes over bleeding with the banjo bolt via the master Cylinder.

Hey! Just what I was looking for thanks for the info.
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'75 Yamaha XT500
'76 Yamaha XS650
'78 Yamaha XS750
'77 BMW R100/7
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'07 Triumph Bonneville America
'11 Suzuki V Strom 650
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Old 07-12-2012, 11:48 PM
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Quote:
Originally Posted by Johnny Bravo View Post
Thanks for the input everyone. I assume I have to bleed out both front brake lines all the way down to the calipers correct?
yes, bleed both calipers until you get fresh fluid with no air, but...air in fluid rises. The air in the brake hoses won't go down to the calipers. it goes up to the master cylinder.
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Old 07-13-2012, 11:36 PM
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I did mine the other day, installed the line and left the lower bolt loose and filled the master until it dripped out then tightened it, I reverse bled the system by pushing the on the callipers to push the fluid back into the master, flicked the lever a bunch of times and then pumped them back up and repeated the process a few times, feels better than before, the lever is further out than before after going for a ride, never cracked the bleeders once and only used enough fluid to top up the master.
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Old 07-14-2012, 09:33 PM
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Well, I just bit the bullet and popped for a Mityvac vacuum bleeder for my install, not cheap at $40, but after watching some you tube videos and reading online, it seems to be the gizmo of choice. Besides never pass up a chance to buy a manly tool eh? I could probably put this off indefinitely if I just keep shopping for more stuff to do the job. Haha! To think this all started with a 1" , $28 dollar handlebar riser. Now I'm into this job an extra $140 in supporting parts and tools. This really is a special kind of sickness were all into you know.
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'72 Honda XL250
'73 Yamaha RD350
'75 Yamaha XT500
'76 Yamaha XS650
'78 Yamaha XS750
'77 BMW R100/7
'76 Triumph Bonneville T140-V
'07 Triumph Bonneville America
'11 Suzuki V Strom 650
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