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Working on an 06 Rhino 450. When the brake pedal is pressed, the rear brake caliper is leaking fluid around the small shaft that activates the parking brake. I have the parking brake bracket unbolted from the caliper and fluid is seeping around that shaft. I don't see a seal or o-ring on the microfiche at that location, so I'm wondering if this can be re-sealed.

Thanks in advance!
 

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Working on an 06 Rhino 450. When the brake pedal is pressed, the rear brake caliper is leaking fluid around the small shaft that activates the parking brake. I have the parking brake bracket unbolted from the caliper and fluid is seeping around that shaft. I don't see a seal or o-ring on the microfiche at that location, so I'm wondering if this can be re-sealed.

Thanks in advance!
What did you end up doing?
 

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I'm going to post a separate question, but mine is doing the same thing. My '04 660, which we bought new and just use as a golf cart around the yard started having rear caliper issues. The caliper wasn't releasing and it wore the brake pads down to bare metal and then got where it had tremendous resistance to even rolling. I took the caliper off and screwed the piston in just as the internet said and replaced the pads. Very shortly it did the same thing again. I assumed the caliper was sticking and bought a Chinese replacement from e bay. I stupidly chunked the original Yamaha part when putting the replacement on. Now after very little use the other one was sticking to the point that it again wore the pads out. I doubt that it's been 5 miles back and forth to the mailbox with the new caliper. The brake pedal went away and it was hemorrhaging fluid out of the emergency brake arm. So I pulled the caliper today and there is a little o ring hanging half out around a shaft inside where the emergency brake assembly bolts on with the two allen bolts. The piston is again extremely extended and the shaft for the emergency brake activation is down flush with the part of the casting it sits in and that's probably what caused the failure.
 
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