Trailer help

[Kuba]

Today while coming to a stop (at the correct address) at my house i heard a pop. When i backed the boat onto the driveway and started unhooking it i have noticed brake fluid leaking right underneath the piston. Im assuming a seal popped. How to troubleshoot that ? Here are pics.

Thanks.

[Shellback]

If the master cylinder blew a seal, I kinda doubt you would hear a pop. Normally they just develop a leak that gets worse with time. There is probably a flex hose off the master cylinder, If it blew, I'd bet that's what might have caused a popping noise. 

Edited July 1, 2014 by Shellback

[Shellback]

PS If it's a flex line, you can probably match it up at a local auto parts store. You will have to bleed the brakes afterwards. Try Googling "bleeding hydraulic surge brakes for a trailer". As there is a specific way it has to be done.

[Kuba]

Thanks!

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[Roughrider IV]

I got a pneumatic bleeder from harbor freight, works like a champ.

[lakebound88]

Those hydraulic actuators are very temperamental to tow height. Make sure you're towing at a height that does not constantly apply brake pressure

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