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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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 Posted: Sun Dec 06, 2009 12:24 pm Post subject: Tip of the day for an oozing valve cover |
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Do you have a leaky valve cover or it just oozes a little oil on the bottom edge, but not enough to drip. Well the tip of the day for a fix.
I have tried new "O" rings, Loctite 574 and and Loctite 5910 and they still oozed. The fix is to pull them off. Lay the valve cover flat on a piece of 220 grit sandpaper and lightly sand the edge down. You will see when you do this shiny spots where the sandpaper has touched and a dull flat looking edge where it did not. Lightly sand the edges on the flat surface until you see a shiny surface all the way around. You aren't trying to sand it to death. Take off just enough for the dull color on the edge to be shiny. Clean the edges after sanding with a good cleaner and clean the surface of the cylinder surface mating up to the new surface of the valve cover. Then coat the "O" ring with a light coating of white grease (compatible with fuel) and torque the screw to 90 in/lbs. The sanding takes out any imperfections in the valve cover edge and allows more "O" ring pressure against the mating surface.
Have a nice X-mas!!!!
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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056 |
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dan(at)azshowersolutions.
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| Posted: Sun Dec 06, 2009 1:29 pm Post subject: Tip of the day for an oozing valve cover |
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Thanks Roger,
That's a good one.
Dan B
Mesa, AZ
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