Replacing spark plugs

Tiny
DERIN MUELLER
  • MEMBER
  • 1999 JEEP GRAND CHEROKEE
  • 6 CYL
  • 2WD
  • AUTOMATIC
Where are the spark plugs located on a 1999 jeep cherokee 4.0
Wednesday, January 19th, 2011 AT 1:41 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
The spark plugs on this engine are under the coil rail so I will attach the info from the manual on how to replace this.

However, here is a guide that will help with replacing plugs as well:

https://www.youtube.com/watch?v=c9_NVXiwvYg

https://www.2carpros.com/articles/how-to-change-spark-plugs

Please see the info attached below on how to remove these for your vehicle.

Please let us know what other questions you have.

Thanks.
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Sunday, March 20th, 2022 AT 7:39 AM

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