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Good morning all,

I changed the spark plugs on my 2001 996 c2 this weekend and have a question.

When I removed one of the plug coils I noticed that there was a crack in the plastic molded housing at the seam. It still works as I get no missing and the spark plug looks good. Just wondering if anyone else has seen this and should I replace it? Is this covered under warr? I have 26K.


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I forgot to ask is the plug wire extension just pushed on? Does the new coil come with the extension that fits over the plug? To remove, should I twist and pull?

  Thanks again.


I would buy the whole piece that includes the connector. Have the dealer check as I think sometimes they sell this as all one part (under the first number). Then all you do is unplug the old one and plug the new one in.

Or you may need to buy both and have all new parts.

996 602 101 01 Ignition Coil ($36.73 as of Nov 2003)

996 602 103 01 Socket Extension ($11.11 as of Nov 2003)

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I thought the same, but manual said to change 60k or 4 years and Dec. the car is 4 years old.Easier to change in the garage when the temp. is 75 then 0 degrees.

This is a good idea as the plugs came out rough, the new ones threaded in real smooth.


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The rubber extension just pulls off the coil.

When I do a spark plug change I remove the coil so I can inspect it for cracks since this is known to happen as you found out. I also inspect the rubber extension and once in a while I will see one that has a split in it.


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