I just picked up a fairly well used 91 LX coupe the gal said the engine had been rebuilt 60K before she bought it. That would be 90K miles ago now. I kinda of doubt it is true, but I bought the car anyway. I checked the spark plugs first and there is oil in three of the four tubes. I know this is going to have to be dealt with at some point. Chances are the oil was drained unless it was not leaking when the spark plugs were put in. I did not receive any records though I bet the plugs have over 10K on them. Should I just let the oil drain back into the cylinders for now?
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The title is just a joke
I did find this video link from someone else's similar problems.
http://www.youtube.com/watch?v=wYU8qtPzQOY&feature=sub
22 minutes long looks so easy in the video. -
If there's a significant amount of oil in the tubes, get as much out as possible before removing the plugs. Soak it up with rags (that won't leave fuzz in the holes), suck it out with a turkey baster, whatever... just get it out of there. Enough oil in the cylinders could hydrolock the engine, though I doubt it's THAT much. Still, even a small amount can clog your cat and foul your o2 sensor.
Then replace your spark plug tube seals (which is what that video is, I assume... I didn't click it.)
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That video shows how to replace the o-rings under the rocker assembly F22A engine.Comment
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Yep, that's the video you want. Study it well. It's the video I used.Originally posted by Kemosabe View Post
I recommend a Stone (or Ishino) upper engine gasket kit. I'm told that they are the OEM. It includes the lower tube seals (which are the primary concern here), upper tube seals (a.k.a. spark plug seals), valve cover gasket and washers/gromets for the valve cover bolts. Do it all at once, you wont regret it.
And just FYI, if you were to let the oil drain down the holes, that would be draining into the combustion chamber - which is not where the oil came from.
^^Photos taken by me
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