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Message: <blockquote data-quote="Hotrod1830" data-source="post: 93666" data-attributes="member: 4331"><p>Replaced the spool valve seals on my 553 last summer. Over the winter I noticed I still had an annoying drip from the spool valve caps. Thinking I did something wrong, I pulled it back apart tonight and noticed only the top valve is leaking. I cleaned it off and left the cap off and walked away for around 30 minutes. Came back to find the leak is coming from the stud on the end of the spool valve that the spring cup screws on to. I removed it and fluid started running out. I coated the stud with silicon and screwed it back in. Upon coming back inside for the night, I figured I would pull up a parts diagram and see if something was missing. Parts diagram indicates there is supposed to be a plastic plug and o-ring under that one? I didnt see anything down in there, but thats not without saying someone may have been there before me and left them out. Anybody ran into this before? I am starting to think my slicone wont hold if that is missing.</p></blockquote><p></p>