Quote:
Originally Posted by Art
Fellow 2003 3670RL owner,
My 3670 pump did the same thing about a year ago. I found the O-ring online and replaced it with minimum effort. the only tricky part is to remove the hydraulic fluid from the reservoir first. here are the specs on the part: MSC Industrial supply, pkg of 2 Viton 70 O-rings #348, part #02245827 and cost about $10.96.
Make sure to thoroughly clean the reservoir area and don't forget to remove the old seal from the reservoir groove before re-assembling it.
Good luck.
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Sorry to jump in here but I just patched a crack in our black tank and then discovered the tray under the hydraulic pump was full of oil. We have a 2003 3670RL that had a lot of problems that were well hidden when we bought it. And the fact that last year we were new to this rv stuff made it easy to sell us on the idea that everything was ok. Anyway, could someone give me directions on how to replace the o-ring (or o-rings) I attached a picture of the leaker.