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AnswerThe spark plugs on a '97 Buick Skylark 2.4 four cylinder are located under a aluminum rectangle panel that bolts to the top of the motor. there is a wiring harness on the left side of the car connected to it. There are four bolts holding it on. Each spark plug fits into a ceramic tube that are connected to this panel I have heard that these ceramic tubes are easy to break and expensive to replace.

As said before there is aluminum panel on the top of the block. Remove the bolts and the sensor on the right side. Do NOT lose your little rubber washers. VERY CAREFULLY lift the panel. You will have the four spark plug connectors on the panel. These are plastic and will break easily. It is best to replace these when you replace your spark plugs. Your spark plugs are in the engine block between the two valve covers. These you can get to with an extension and spark plug socket. Do not tighten spark plugs too tight or you can break them. The new plugs should gap at .60 Very carefully replace the aluminum panel. You will not feel any kind of click. Hand tighten the bolts into the panel. They should go in easily if you have the panel lined up correctly. Dont force the bolts or cross thread them.

For a 3.1 V6, they're easy to find but the back plugs are very hard to get at. Use a universal joint for your socket wrench and be prepared to do it by touch. I tried that once and it took me an hour. (Who designs these things anyway?) From then on, I take it to a pro.

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โˆ™ 2011-01-12 07:51:33
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Q: Where are the spark plugs located on a 1997 Buick Skylark?
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