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How do I change the spark plugs on my 2004 cherokee larado 4.0lt

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Changing the spark plugs on a 4.0 engine is very straight forward. If you have ever changed spark plugs before then you can do it on this engine. It's a straight 6 and simple engine design and they are all easy to access. Although for 2001 and up they did make it slightly more complicated here is a writeup on how it's done:
http://www.getahelmet.com/jeeps/maint/sparkplugs/
Thank you,
Lee

Posted on Apr 08, 2011

Testimonial: "Thanks Guys , it will really help me out , not being the master mech this made it much simpler , now to get at it , and get'rrr done thanks again "

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Have a 2004 jeep grand cherokee larado miss firing.changed spark plugs and coil pack. Still have misfire. Any suggestions?


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1 Answer

2002 2002 Jeep Grand Cherokee Larado


Check out all info on Edmunds.com There should be a detailed list if you wanna go by the book. If youre wanting to keep it simple just do the major items

Replace trans fluid and filter
Have gear oil checked in rear-end and transfer case
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air filter (high performace)
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have ball joints and u-joints checked and entire undercarriage greased
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