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Old 07-01-2006, 03:26 PM
h20winn h20winn is offline
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Join Date: Sep 2004
Posts: 71
Bleeding Brakes on Trailer

What is the best way to bleed the brakes on the trailer? I am having a heck of a time trying to bleed the brake calipers. One of the brake lines that I was working on was blocked with something. I took that line out and cleared out the line. When I went to bleed the caliper, I could not even get a drop of brake fluid out of the caliper. I filled the master cylinder and I took my suction devise and hooked it up to the caliper bleed valve. Then I loosened the bleed valve. I should have some fluid coming out from there. Is there sometime I need to release in the mastercylinder to get the fluid moving?

Any help would be greatly appreciated.


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Old 07-01-2006, 06:02 PM
Footin's Avatar
Footin Footin is offline
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Join Date: Aug 2004
Boat: 2007 Maristar 200VRS X2
Location: Columbus,OH/Monticello,KY
Posts: 5,456
Get a vacuum hand bleeder, best 25 bucks you will ever spend. The local autoparts store should have them.
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Old 07-01-2006, 06:54 PM
Tom023 Tom023 is offline
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Join Date: Jul 2004
Boat: 2001 X30 LTR
Location: On the track or in the air
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I've had my bleed screws get plugged with dirt and corroded inside the caliper. Take it out and make sure it's clear.
2001 X30 LTR
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Old 07-01-2006, 10:23 PM
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TOO-TALL TOO-TALL is offline
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Boat: Mastercraft X2 2003 mcx
Location: Kankakee,IL
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Originally Posted by Tom023
I've had my bleed screws get plugged with dirt and corroded inside the caliper. Take it out and make sure it's clear.
Good Idea.

I was by myself and wanted to bleed the brakes.So I put a tire chaulk behind the rear wheels on the trailer unpluged the wiring harness and the backed up the truck alittle to put pressure in the brake lines.Then cracked the Bleeder screw..worked great do it a few times and your good to go.
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Old 07-15-2006, 10:47 PM
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93Prostar190 93Prostar190 is offline
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Join Date: Apr 2005
Boat: 2008 Prostar 214, MCX, Mini-Tower
Location: Central OH
Posts: 2,509
If you have a compressor ... use it ..

From the car racing boys, you can use a light pressure of compressed air at the brake reservoir (12-16 PSI) to force brake fluid through the lines ... what I did was bought a spare cap for the master cylinder and made a small hole in it .... I then used one of the blower nozzles from my air compressor to fill the hole.

With a constant pressure of 12-16 psi you can go back to each wheel and open the bleeder gently and watch the bubbles disappear and the new fluid appear ... make sure you stop along the way and keep topping off the fluid in the master cylinder or else you will blow air into the system.

Works great .. let me know if you need more details.
Keep a tight line, and a smile on your face. Peace out.
2008 Prostar 214 MCX
Previous 93 Prostar 190 1.5:1 GT40

"Left Foot Forward and preferring girls."
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Old 07-15-2006, 10:53 PM
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Is the other caliper getting fluid? You may want to disconnect the line at the master cylinder and make sure you are getting fluid there first. My job is a little easier, I have two teenage sons. One on each wheel and me on the master cylinder, gets the job done quickly.
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