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This just happened.... Cost to replace ??

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Old Jun 14, 2019 | 05:06 PM
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Default This just happened.... Cost to replace ??



rod started knocking like crazy while We were going up a pass. Engine shot at 128k miles :(

anyone know what it cost to replace the 3.8L?
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Old Jun 14, 2019 | 07:39 PM
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I had mine replaced with another 3.8 after it went out at 85k. It was about 7k installed, but I had it done at the dealership for the warranty.
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Old Jun 14, 2019 | 07:53 PM
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Originally Posted by MrChuckles
I had mine replaced with another 3.8 after it went out at 85k. It was about 7k installed, but I had it done at the dealership for the warranty.
Wish I could be so lucky.

So much for the new lift/wheels/tires/ tie rod I’ve been talking about.

I dont even have $7k for a new engine.
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Old Jun 14, 2019 | 09:04 PM
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I guess I don’t understand how this just happened out of blue. People said the 3.8 was a good engine, just not powerful. Now i am finding all sorts of stories. Unfortunately i don’t know what other owners did or did not do with it.

The oil looked fine, it wasn’t heating up, no smoke, smell, nothing.
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Old Jun 15, 2019 | 04:50 AM
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Wow....that sucks!

This thread may be of interest to you at this point. Post #34, seems like it may be relevant to your failure.
https://www.jk-forum.com/forums/modi...y-pics-343308/

Also there's this great step-by-step 3.8L breakdown and rebuild video.

Sorry about the bad luck with the engine. Many of us have the 3.8L with high miles, but we have been original owners. I have 168K miles on mine currently. If you can do all the work yourself, an already rebuilt JK 3.8L can be found for around $2K.

Last edited by Rednroll; Jun 15, 2019 at 05:12 AM.
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Old Jun 15, 2019 | 04:59 AM
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Does Jasper Engines have a unit? They have a great 3 year 100k warranty...Just a thought

Last edited by Dinky Dau; Jun 15, 2019 at 05:11 AM.
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Old Jun 15, 2019 | 12:19 PM
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Originally Posted by Rednroll
Wow....that sucks!

This thread may be of interest to you at this point. Post #34, seems like it may be relevant to your failure.
https://www.jk-forum.com/forums/modi...y-pics-343308/

Also there's this great step-by-step 3.8L breakdown and rebuild video.
https://www.youtube.com/watch?v=fDXXm3o73Jk

Sorry about the bad luck with the engine. Many of us have the 3.8L with high miles, but we have been original owners. I have 168K miles on mine currently. If you can do all the work yourself, an already rebuilt JK 3.8L can be found for around $2K.
Originally Posted by Dinky Dau
Does Jasper Engines have a unit? They have a great 3 year 100k warranty...Just a thought

Thanks for the help, as always. Been a really rough nine months.

I am wondering if it would be better to replace it with the newer engine (2012+ if possible)

I called jaspers and they closed early.

i would love to put a 350 in it, but I am pretty sure that would cost a bunch more, since I would need new running gear and tranny.


if if the price for the swap was within a thousand bucks or so, I may consider doing that. Gonna have to charge it on a credit card for now, until I start making money at my new job. I have about $1200 that I was saving toward the new lift and tires.
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Old Jun 16, 2019 | 10:31 AM
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Looks like Jasper has a 3.8 for around $4000. Then, whatever cost for labor.

Anyone have a write up of the total cost to just get a rebuild installed?
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Old Jun 16, 2019 | 11:11 AM
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Originally Posted by poesdad
Thanks for the help, as always. Been a really rough nine months.

I am wondering if it would be better to replace it with the newer engine (2012+ if possible)

I called jaspers and they closed early.

i would love to put a 350 in it, but I am pretty sure that would cost a bunch more, since I would need new running gear and tranny.


if if the price for the swap was within a thousand bucks or so, I may consider doing that. Gonna have to charge it on a credit card for now, until I start making money at my new job. I have about $1200 that I was saving toward the new lift and tires.
I priced swapping a 3.6 with the Jeep dealership, and it was going to be around $9k-$10k.
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Old Jun 16, 2019 | 12:06 PM
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Originally Posted by MrChuckles
I priced swapping a 3.6 with the Jeep dealership, and it was going to be around $9k-$10k.
This is crazy. I wish I could do a 350 swap for $4k

I’m reading posts with Hemi swaps over $20k
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