How to remove sprk pug on 2007 nitro - 2007 Dodge Nitro R/T New Cars

How To Install Replace Engine Ignition Coil 2002 08 3 7L Jeep Liberty

The above link is for a video on how to remove the ignition coils on a jeep, but the procedure for Nitro should be the same.

To remove the sparks plugs, the 6 or 4 ignition coils have to be removed, then the spark plugs can be removed. Each coil is connected to a spark plug.

I strongly suggest you do one plug at a time, so there is no chance of mixing up the wires.
...DESCRIPTION........N.m...... Ft. Lbs. .........In. Lbs.
Spark Plugs - 3.7L..... 27 .........20 ..................- Spark Plugs - 4.0L ...17.5.........13 ...................-

Ignition Coil
Mounting -
3.7L ........................8 ............- ..................70
Ignition Coil
Mounting -
4.0L .......................6.7 ..........- ..................60 Use anti seize compound on the new spark plug threads. Use dialetic grease on the inside of each coil boot ( swab the inside rubber part). And use sialetic grease on the outside of the boot.

You don't say much about the problem, but here's a trick used for hard to get plugs.

Use a old plug wire plug boot to pull the plug out when it's loose and to re-install the plug. Many times you can get a plug loose but it's not easy to turn the tool, that's where the old wire boot comes in handy. push it on to the plug you can turn it more easy.