Brake fluid extraction


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gwrramea2012
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Brake fluid extraction

Postby gwrramea2012 » Thu Oct 01, 2015 4:58 pm



Has anyone ever tried using West Marine Oil extractor for removing brake fluids? Going to change brake & Clutch fluid but don't own a Mity Vac. It does create a good vacuum.
West Marine: http://www.westmarine.com/buy/west-mari ... --11097714



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maintainer
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Re: Brake fluid extraction

Postby maintainer » Thu Oct 01, 2015 5:12 pm

Never heard of it, I use a Mity Vac. If it pulls a good vacuum and you have the tubing to connect it I think it should work fine.
1982 GL 1100 Interstate SOLD
1977 GL 1000 Standard (naked can be good, who knew?)

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WingAdmin
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Re: Brake fluid extraction

Postby WingAdmin » Fri Oct 02, 2015 9:14 am

If you can get an adapter that will fit over top of a bleed nipple, it should work fine. You don't need a lot of vacuum. You could technically do it with a strong vacuum cleaner, if you could get it to adapt to the bleed nipple.

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Hoosier Jack
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Re: Brake fluid extraction

Postby Hoosier Jack » Sat Oct 03, 2015 7:38 am

"Hey, what are you doing with the vacuum cleaner"?
" Got some vacuuming to do".
"You're kidding. You've never used that before. That's funny. Even know how to use it"?
"Sure, it's a vacuum cleaner Honey. Any moron can use a vacuum cleaner".
"OK, What are you going to clean anyway"?
"The fluid out of my brakes. Wing Admin said it would work".

That's when he found out in his house it wouldn't. Astonishing discovery.

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redial
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Re: Brake fluid extraction

Postby redial » Sun Oct 04, 2015 1:30 am

I thought it was going to finish with: "and then the fight started!" :lol:

That'll larn you to interfere in "secret woman's business"!
Len in Kapunda

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themainviking
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Re: Brake fluid extraction

Postby themainviking » Sun Oct 04, 2015 8:11 am

redial wrote:That'll larn you to interfere in "secret woman's business"!


And in my house, that statement would be when the fight started, :lol:
It ain't about the destination - it's all about the journey

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Hoosier Jack
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Re: Brake fluid extraction

Postby Hoosier Jack » Sun Oct 04, 2015 8:23 am

You know the Mity Vac is a pretty good way of getting brakes bled but I have been through several and they all have broken because of that little pin holding the handle in place. No way you can get any kind of aggressive with the thing and once that pin comes loose it just seems to keep falling out. Poor design. They shatter pretty good when thrown against a concrete floor.

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Bluewaterhooker0
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Re: Brake fluid extraction

Postby Bluewaterhooker0 » Sun Oct 04, 2015 8:54 pm

Assuming you can get a good connection to your bleed nipples, the only problem I could see regards the fact that the marine vacuum device apparently builds up a fair amount of vacuum before it is used. That being the case, and the fact that the container is so large, you will need to be sure and have a very good control mechanism to keep from pulling all the fluid out of the lines and the reservoirs when you activate it. The Mityvac is a pump-pull fluid-pump, etc. device. Pulling small, controllable amounts of fluid through the lines. From the description of the device you are talking about, it stores a lot of vacuum, especially with a 2.5 qt. container. If it is released all at once, you may create bigger problems than you are trying to correct.

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MikeB
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Re: Brake fluid extraction

Postby MikeB » Sun Oct 04, 2015 9:04 pm

Anymore, the only thing I use the Mity Vac for is to evacuate the reservoir before adding new fluid. I have http://www.jpcycles.com/product/240-695 Speed Bleeders in place of all the bleeder screws on my bikes. They work very well and make it a true one person bleeding operation.
MikeB
Tacoma, WA, USA

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PastoT
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Re: Brake fluid extraction

Postby PastoT » Wed Oct 07, 2015 3:52 pm

I have a hand vacuum bleeder and it worked great for the clutch fluid but the brake system was the issue. I can't get the rubber adaptors to seal to the bleed screws or worse they slip off and lord knows how much air seeps back in. I end up having to guess when the air is out of the system because the nipple leakage that allows itty bitty stream of air bubbles to flow into the extraction hose. The last time I bled the lines with a clear hose smashed onto the nipples and draining into a mason jar partially full of fluid that stops the reverse flow of air back into the system. It requires extra fluid generally from an old opened bottle but works fine for me and keeps it a one man job. I will be adding speed bleeders one day though.
Tom, in Mountain Home, Idaho
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maintainer
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Re: Brake fluid extraction

Postby maintainer » Wed Oct 07, 2015 5:52 pm

PastoT wrote:I have a hand vacuum bleeder and it worked great for the clutch fluid but the brake system was the issue. I can't get the rubber adaptors to seal to the bleed screws or worse they slip off and lord knows how much air seeps back in. I end up having to guess when the air is out of the system because the nipple leakage that allows itty bitty stream of air bubbles to flow into the extraction hose. The last time I bled the lines with a clear hose smashed onto the nipples and draining into a mason jar partially full of fluid that stops the reverse flow of air back into the system. It requires extra fluid generally from an old opened bottle but works fine for me and keeps it a one man job. I will be adding speed bleeders one day though.


Put some grease on the bleeder threads, old trick, just did mine worked great.
1982 GL 1100 Interstate SOLD
1977 GL 1000 Standard (naked can be good, who knew?)

gwrramea2012
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Re: Brake fluid extraction

Postby gwrramea2012 » Thu Oct 08, 2015 4:04 pm

Thanks all am trying to find a smaller container or maybe filling with water or used oil first. Will let u know how it goes.

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MikeB
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Re: Brake fluid extraction

Postby MikeB » Thu Oct 08, 2015 4:25 pm

If you really need a vacuum pump, a MityVac brake bleeder is only $32.09 plus shipping from Amazon.

Or you can get one at your local Auto Zone for $34.99

So much easier than trying to jury rig a tool to do the job.
MikeB
Tacoma, WA, USA

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ka4yqi
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Re: Brake fluid extraction

Postby ka4yqi » Thu Oct 08, 2015 9:50 pm

Got a Harbor Freight around. They got one for 24.99 right now. I got one and work great. I have one of the MityVac and this work as good.


http://www.harborfreight.com/brake-blee ... 60770.html




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