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Oily spark plug!

posted by  C on  Mon Dec 23 17:50 CST 2002
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I replaced the plugs on my 740TI and noticed that there was one (cyl 4) that had oily threads. Is this a leaky piston ring? I read somewhere that a spoon full of ATF through the spark plug hole into the cylinder can seal up a worn piston ring. Is this true and should I use dino or synth ATF?






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New Oily spark plug!
posted by  C  on Mon Dec 23 17:50 CST 2002 >


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