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I have a 2003 nissan maxima VQ30DE engine,the car has now done 180,000 k and still running well.
Bought the car at 80,000k and have never done the sparkplugs yet.
Checked one of the front ones and they are due for a change,front ones easy to replace,do I have to remove all the hardware on top to get to the rear ones or can I use a long socket extension to change the rear ones, not a lot of room but think it can be done.

The back ones are not easy to get to, but can be done with a long extension socket without removing anything, other than the coils (obviously).