Replacing Front Brake Line
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Elite HDF Member
Joined: May 2012
Posts: 3,747
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From: Central Cali
Replacing Front Brake Line
I have, what I feel like, is a dumb question. Lol
I am going to replace my front brake line and I know that brake fluid will really mess up any paint that it gets on.
So my dumb question is... what is the best way to empty the fluid in my current brake MC and line? Do I just hook a line to the bleeder valve and drain it from there of take the MC off the bars and dump it? First time doing this obviously so didn't want to do something stupid.
I have read all over this forum and no one talks about how to empty the line to replace it.
I am going to replace my front brake line and I know that brake fluid will really mess up any paint that it gets on.
So my dumb question is... what is the best way to empty the fluid in my current brake MC and line? Do I just hook a line to the bleeder valve and drain it from there of take the MC off the bars and dump it? First time doing this obviously so didn't want to do something stupid.
I have read all over this forum and no one talks about how to empty the line to replace it.
Stellar HDF Member
Joined: Feb 2011
Posts: 3,048
Likes: 3
From: Central Jersey
get a 1/8" ID tube or maybe 1/4"ID, hang one end on the breather valve on the brake caliper, put the other end of the tube in a bucket, crack open the breather valve so it starts draining a bit, then open your master cylinder up on the handlebars and really let the fluid flow out. then go have a few beers, chill out, relax..and when it's done draining, you can begin replacing your line..everything in the master cylinder will drain out through the tube.
Thread Starter
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Elite HDF Member
Joined: May 2012
Posts: 3,747
Likes: 5
From: Central Cali
get a 1/8" ID tube or maybe 1/4"ID, hang one end on the breather valve on the brake caliper, put the other end of the tube in a bucket, crack open the breather valve so it starts draining a bit, then open your master cylinder up on the handlebars and really let the fluid flow out. then go have a few beers, chill out, relax..and when it's done draining, you can begin replacing your line..everything in the master cylinder will drain out through the tube.
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Elite HDF Member
Joined: May 2012
Posts: 3,747
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From: Central Cali
I'm trying to figure out what I can drain the brake fluid in. Lol A cup? An old oil quart? Just not sure where to put it after I drain it.
Club Member
Joined: May 2007
Posts: 145,895
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From: 40 miles Northeast of Indy..
I've bought some Speed bleeders last month.. Going to flush the lines this winter..
So I am not replacing the lines just flushing them..
I'Ve read in here to put some fluid in Ur new lines to help then pump up good faster.
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So I am not replacing the lines just flushing them..
I'Ve read in here to put some fluid in Ur new lines to help then pump up good faster.
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Tourer
Joined: Jan 2011
Posts: 466
Likes: 1
From: EastCan
Make sure you loosen the top banjo bolt before you unbolt the master cyl from the bars, otherwise you will find it to be hell to hold in your hand. Bleeding your line the conventional way will take about an hour, so have lots of beer on hand.
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wam6187
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Mar 19, 2016 05:42 PM
