Changing Piston rings on 2.4l -
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post #1 of 3 Old 05-04-2021, 12:39 PM Thread Starter
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2006 TJ Wrangler 
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Changing Piston rings on 2.4l

Anyone here with a 2.4l change out their piston rings? Did you do it yourself? Do I need to pull the engine to get the pistons out? Thanks.

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post #2 of 3 Old 05-04-2021, 11:52 PM
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Not a 2.4 guy, But if you can remove the heads and oil pan, dont see why ya cant pull the pistons

That being said, the block *should* be at a minimum honed out, if there is a ridge at the top it should be removed

My personal thoughts are that if the rings are in need of replacing, other parts are just as likely to be in need as well
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post #3 of 3 Old 05-08-2021, 11:13 AM
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The 2.4 is a pain in *** to swap rings on pistons.... There is a lot of crap that must come off to get the pistons out. The head requires the timing belt removed. To get that you got to pull everything off the front of engine. There is a pulley that requires a puller to get off and it has to be the bolts screwed in the pulley not the jaw type. Then the timing crank sprocket. Then there is a balance shaft sitting on the bottom of the block in the way so you have to drop that which requires removing the timing chain.... Bunch of other so its way easier to pull and do all the work and put back in.
the above link I posted was my experience with the engien

I would pull the engine. Its not that hard and gives you way less back pain than in vehicle engine work.

Why do you think the rings need replacing? You can find low mile 2.4 Dodge caravan engines that will bolt right in. I did it..

I have torn down 3 of the 2.4s so far and 100s of 2.5 and 4.0,,,, I hate the 2.4
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