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Display Mesage #97870


Oily residue on the left rear spark plug area-
Written by delprincephil on 10/12/2010 at 02:41 am

I had an oily residue around the left front spark plug hole. It was from an
earlier spark plug change where a slightly too large socket (still thin walled)
was used to remove the plug resulting in a small hairline crack in the threaded
metal sleeve that surrounds the plug. I'm not sure if the left rear plug has
this sleeve as well. If it does, check the inside of this sleeve with your
finger for smoothness and/or a small bright flashlight.
Phil in Boulder

--- In ipcrc@yahoogroups.com, "Tom Banks" <tmb14@...> wrote:
>
> When changing my spark plugs I noted that the left rear plug has a burnt oily
residue around the spark plug hole. I wonder where the oil is coming from?
>
> Tom
>

Message Thread for message #97870

tommikebanks14
10/11/2010, 07:04 pm
Oily residue on the left rear spark plug area-
When changing my spark plugs I noted that the left rear plug has a burnt oily residue around the spark plug hole. I wonder where the oil is coming from? Tom

    rudyg1937
    10/12/2010, 01:19 am
    Oily residue on the left rear spark plug area-
    If it starts above the plug hole it is probably a cam seal leaking. A common, not critical, problem. Another possibility is it is not oil but is antifreeze from a leaking o-ring on the water pipes in the heads. Rudy

    delprincephil
    10/12/2010, 02:41 am
    Oily residue on the left rear spark plug area-
    I had an oily residue around the left front spark plug hole. It was from an earlier spark plug change where a slightly too large socket (still thin walled) was used to remove the plug resulting in a small hairline crack in the threaded metal