Motive brake Bleeder
Thread Starter
Instructor
Joined: Sep 2006
Posts: 133
Likes: 0
From: Orlando Fla
Motive brake Bleeder
I just got the motive brake bleeder from Zips during their 15% brake special. Best $59.00 I ever spent. Works best as described on this forum. I used two 6" C Clamps from home depot and a block of wood.
I did not put any fluid in the bleeder, just pumped to 10 psi and kept refilling the MC after I drained fluid from each bleeder valve.... I'm going to put away my mityvac that I have been using for years...
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I did not put any fluid in the bleeder, just pumped to 10 psi and kept refilling the MC after I drained fluid from each bleeder valve.... I'm going to put away my mityvac that I have been using for years...
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Race Director
Joined: Jul 2004
Posts: 12,706
Likes: 329
From: Scottsdale Arizona
Well done realthing. I did it the same way and am very happy with the results.
The down side of doing it this way is that any leaks between the plastic cover and the MC will likely spray brake fluid everywhere.
The danger of running the Motive without fluid is if you are not carefull, you'll run the MC dry and have to start over.
The danger of running the Motive without fluid is if you are not carefull, you'll run the MC dry and have to start over.
Drifting
Joined: Feb 2005
Posts: 1,879
Likes: 38
From: Los Gatos CA
Over the years working on C3 brake systems, I was never able to properly bleed the brake system. With the Motive, problem solved. I suggest getting the back end up in the air, keeping the pressure low, and going around at least twice. Then you may safely drive your beloved Vette...
Instructor
Joined: Jan 2007
Posts: 233
Likes: 41
From: Simpsonville SC
Yep, I built my own recently recently similar to this. Excellent beer drinking project.
http://www.streetcruizin.com/forums/...ad.php?t=11953
I didn't have any rubber to use as a seal so I used a old PC mouse pad. Worked great! I love it and it's easy to use. Just don't get crazy with the pressure.
http://www.streetcruizin.com/forums/...ad.php?t=11953
I didn't have any rubber to use as a seal so I used a old PC mouse pad. Worked great! I love it and it's easy to use. Just don't get crazy with the pressure.
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Le Mans Master
Joined: Mar 2004
Posts: 7,499
Likes: 1,508
From: Little Rock AR
It's hard to convince people that are new to the C3 of how great it is. Once you have wasted a few days struggling with your cantakerous Vette brakes you come to appreciate the Motive bleeder. 
-Mark.
-Mark.
Racer
Joined: Mar 2008
Posts: 428
Likes: 0
Instead of using a plastic material for a gasket, there is a rubber product that comes in 12" x 12" sheets. I believe it comes in different thickness and is called red rubber backing (or Packing). I buy it at the local hardware store in the plumbing suppy area. 
Melting Slicks
Joined: Apr 1999
Posts: 2,675
Likes: 13
From: Sudbury MA
I'm confused
If you are not using any brake fluid, aren't you pumping air into the master cylinder?
Doesn't that defeat the whole purpose of bleeding the brakes?
I thought this type of pwer bleeder was supposed to pressurize the system and pump fluid in to replace any air that is in the system.
I have always gravity bled my 68 and I have a rock hard pedal so haven't had the need for this gadget or the mighty vac that is in my toolbox.
Kurt
If you are not using any brake fluid, aren't you pumping air into the master cylinder?
Doesn't that defeat the whole purpose of bleeding the brakes?
I thought this type of pwer bleeder was supposed to pressurize the system and pump fluid in to replace any air that is in the system.
I have always gravity bled my 68 and I have a rock hard pedal so haven't had the need for this gadget or the mighty vac that is in my toolbox.
Kurt
Racer
Joined: Aug 2007
Posts: 253
Likes: 0
From: Remlap AL
I got mine from 928 Specialist for $39! I don't remember how much I paid for shipping but it could have not been more than $10.
https://www.928gt.com/p-16-brake-pre...r-bleeder.aspx
https://www.928gt.com/p-16-brake-pre...r-bleeder.aspx
Thread Starter
Instructor
Joined: Sep 2006
Posts: 133
Likes: 0
From: Orlando Fla
I'm confused
If you are not using any brake fluid, aren't you pumping air into the master cylinder?
Doesn't that defeat the whole purpose of bleeding the brakes?
I thought this type of pwer bleeder was supposed to pressurize the system and pump fluid in to replace any air that is in the system.
I have always gravity bled my 68 and I have a rock hard pedal so haven't had the need for this gadget or the mighty vac that is in my toolbox.
Kurt
If you are not using any brake fluid, aren't you pumping air into the master cylinder?
Doesn't that defeat the whole purpose of bleeding the brakes?
I thought this type of pwer bleeder was supposed to pressurize the system and pump fluid in to replace any air that is in the system.
I have always gravity bled my 68 and I have a rock hard pedal so haven't had the need for this gadget or the mighty vac that is in my toolbox.
Kurt