how do you change spark plugs on a 2003 gmc envoy 6cyl?

[deytim]

how do i get to the spark plug? there is a cover w/ a bolt over it? and it does not want to come right off, do just pull more ? am i in the right area?

 

[Ali Z]

You have to make sure that you haev the proper tool first, and the proper spark plugs. Some spark plugs require a certain gap size in order to allow the vehicle to run properly. The place where you purchase the park plugs from should be able to tell you this. When changing the spark plugs it is best to do one at a time, so that the firing order doesn't get screwed up. Remove the wire fromt eh spark plug then remove the spark plug from the cylinder using a ratchet and the proper socket. Replace the old with the new, and then replace the wire on top of the new spark plug. Do this with all the cylinders until you have fully replaced all old spark plugs.

 

[rwings8215]

I havent the slightest clue but cant help but wonder why you want to change them. How many miles do you have on your car. Spark plugs are normally good for around 100k miles