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The spark plugs are located under the coils. There are three towards the front of the car under the 3.0 plastic cover. The other three are towards the firewall in the air intake plenum. All you have to do is remove the bolt that is holding the coil, I believe it is a 14 mm then you "slide out" the coil which has a plastic extension going into the engine. You need a ratchet with an extension to remove the plug. Reverse to reinstall plugs. Repeat as necessary. You will need a VERY long extension to reach the #3 and 5 cylinders in the rear. I had a 12" tool from my other car and it was still a challenge

Sorry it was a 10mm socket and you need an Allen wrench set to remove the 3.0 liter plastic cover

Be sure the engine is cold before removing the spark pligs, and be sure to smear a little anti seize compound on the threads before installing the new plugs. This is an aluminum engine so be careful not to overtighten them

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โˆ™ 2015-07-15 20:42:23
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Q: How do you replace spark plugs on a 2000 Nissan Maxima 3.0 liter engine?
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