 Brake Fluid Reservior Adapter Cap Source? |
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| able2222 |
 Oct 17 2011, 09:10 AM
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#1
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Newbie  Group: Members Posts: 30 Joined: 29-July 09 From: Austin, TX Member No.: 10,621 Region Association: None  |
Anyone know a source for those aluminium brake fluild reservior adapter caps with the valve stem in the middle that are used to pressurize the brake system for bleeding? Failing that does anyone know the thread size on a 914-4 brake reservior cap? Thanks in advance for any responses.
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Replies(1 - 11)
| 76-914 |
Oct 17 2011, 09:13 AM
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#2
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,509 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California 
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QUOTE(able2222 @ Oct 17 2011, 08:10 AM)  Anyone know a source for those aluminium brake fluild reservior adapter caps with the valve stem in the middle that are used to pressurize the brake system for bleeding? Failing that does anyone know the thread size on a 914-4 brake reservior cap? Thanks in advance for any responses. Just buy an old cap, drill it and install a truck stem, epoxy or JB Weld it in place. Someone here did an article on just that, a while back. |
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| VaccaRabite |
Oct 17 2011, 11:13 AM
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#3
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En Garde! Group: Admin Posts: 13,465 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
The best way, though, is to get the pressure tank that feeds brake fluid and pressurizes it. otherwise, you have to be very careful not to empty the res and bring air in at the MC, while you are purging air and bad fluid from the calipers.
Zach |
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| VaccaRabite |
Oct 17 2011, 11:23 AM
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#4
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En Garde! Group: Admin Posts: 13,465 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
http://www.motiveproducts.com/
These are the pressure bleeder I was talking about. They make a Euro cap which threads right on to our res tanks. They are the cats ass. I use it for bleeding all my cars. Zach |
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| Van914 |
Oct 17 2011, 11:38 AM
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#5
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Van914 Group: Members Posts: 698 Joined: 5-January 03 From: Cincinnati, Ohio Member No.: 90 Region Association: Upper MidWest
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Yes I agree with Zach. I have used one for about 5 years. Makes bleeding a one man job.
Van914 |
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| type47 |
Oct 17 2011, 11:56 AM
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#6
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Viermeister Group: Members Posts: 4,254 Joined: 7-August 03 From: Vienna, VA Member No.: 994 Region Association: MidAtlantic Region |
 just bled the system today in prep for the tech inspection Sat. This time I tried the "dry" method where you don't put fluid in the Motive but you do have to refill the reservoir after each caliper. |
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| McMark |
Oct 17 2011, 12:03 PM
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#7
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
Yup. I built a pressure bleeder with an old cap way back when, and it was a bit of a PITA. The Motive bleeder is great because you can run a whole quart of brake fluid through the system without opening the reservoir.
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| 76-914 |
Oct 17 2011, 02:58 PM
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#8
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,509 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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How much is that Motive tool? Looks like a bug sprayer could be modified to do this!
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| McMark |
Oct 17 2011, 03:55 PM
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#9
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
30 seconds on Google, searching for "motive bleeder" says $55.
(IMG:style_emoticons/default/tongue.gif) (IMG:style_emoticons/default/poke.gif) |
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| strawman |
Oct 17 2011, 06:52 PM
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#10
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Senior Member Group: Members Posts: 881 Joined: 25-January 08 From: Los Osos, CA Member No.: 8,624 Region Association: Central California
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QUOTE(76-914 @ Oct 17 2011, 01:58 PM) How much is that Motive tool? Looks like a bug sprayer could be modified to do this! Yup, that what I did -- a one-gallon water sprayer from Home Despot for something like $10, an old MC reservoir cap, and a brass adaptor that accepts the sprayer hose. Works great. |
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| Eric_Shea |
Oct 18 2011, 01:36 PM
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#11
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains  |
QUOTE How much is that Motive tool? $49.00 on Amazon plus $6.99 shipping. https://www.youtube.com/watch?v=d0h5bMoW-aw |
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| Bruce Hinds |
Oct 19 2011, 11:06 PM
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#12
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V-8 madness Group: Members Posts: 733 Joined: 27-December 06 From: Port Orchard, WA Member No.: 7,391 Region Association: Pacific Northwest |
Anybody got an extra cap I can get? I've got a system I'd like to try that we used to use on DC-3 aircraft.
We used to pump the fluid in from the bottom and had an overflow at the resevoir that returned to a tank. Guarenteed never any air in the system since its all forced upward. (IMG:style_emoticons/default/icon_bump.gif) |
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