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WakeWorld Discussion Board » >> Boats, Accessories & Tow Vehicles Archive » Archive through March 18, 2009 » Best way to bleed trailer brakes « Previous Next »
By jason rogoz (phunnel) on Thursday, June 19, 2008 - 11:12 am:    Edit Post Delete Post
Hey guys

do you have any tips/tricks on bleeding surge brakes? I noticed the trailer brake fluid was down, way down, basically empty so i filled the resevoir up and now concerned that there may be air in the lines.

 
By Bill K (bill_airjunky) on Thursday, June 19, 2008 - 11:45 am:    Edit Post Delete Post
Here is a good article on how to bleed your surge brakes.

Reminds me... I need to do it too.

 
By steve (ss1234) on Thursday, June 19, 2008 - 11:49 am:    Edit Post Delete Post
rather than the screw driver, I remove the hitch / ball assembly from the vehicle receiver, and attach the ball to the trailer. The hitch makes a good lever to actuate the piston.
 
By M-Dizzle (liquidmx) on Thursday, June 19, 2008 - 11:57 am:    Edit Post Delete Post
Agree with steve. I put the ball into the receiver, stuck a rag on the 2x2 end and pumped, hardly any effort.
 
By jason rogoz (phunnel) on Thursday, June 19, 2008 - 12:17 pm:    Edit Post Delete Post
do you guys just lift up and down on the hitch when the ball into the receiver in order to activate the piston?
 
By jason rogoz (phunnel) on Thursday, June 19, 2008 - 12:25 pm:    Edit Post Delete Post
should the trailer also be level to bleed the brakes, we currently have the boat backed into my buddy's driveway that has a slight downward slope
 
By M-Dizzle (liquidmx) on Thursday, June 19, 2008 - 12:48 pm:    Edit Post Delete Post
Jason, I would say not level would be better. This will let gravity help you bleed the brakes by sending the air in the line to one end or the other.

When you stick the hitch in the ball you will get the idea, but yes you push down and the tongue will depress pushing brake fluid through the line.

 
By jason rogoz (phunnel) on Thursday, June 19, 2008 - 12:50 pm:    Edit Post Delete Post
did you guys have to remove the wheels to bleed the brakes or can you access the bleeder valve by going around the tires? do you have to adjust the brakes after bleeding as well, the link in the article mentioned doing that but that might be for newly installed systems. sorry for all the questions, but i'm sitting at work trying to see what kind of time i'll need to do this
 
By Brandon (yubasanger) on Thursday, June 19, 2008 - 3:07 pm:    Edit Post Delete Post
I use a Mighty Vac hand held vacuum pump for bleeding brake lines. Just fill the reservoir to the top and pump it down from the bleeder screws at each wheel. Then use the pump to remove excess fluid from reservoir. Other wise you are running back and forth. Disc brakes need no adjustment and drum brakes should self adjust but does not hurt to check. From what I hear AutoZone rents the Mighty Vac if you donít want to buy. They are like $50 and worth every penny.
 
By jason rogoz (phunnel) on Thursday, June 19, 2008 - 3:32 pm:    Edit Post Delete Post
Brandon...thanks for the response...a bleeder vac was gonna be my next question, i have a sort of mighty vac that i picked up from canadian tire that i've used on my street and dirt bikes, quess i will be using mine for this job as well.

which brake should be bled first?

 

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