Jeep Wrangler TJ 2.5L 4cyl to 4.0L 6cyl Swap

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Journey through swapping out the tired old 2.5L 4-banger for a 4.0L and a few upgrades along the way. Took about 5 months to complete with upgrades & mods working on it after work and weekends, but it was well worth it. Should have done this sooner. All components (steering pump, alternator, etc.) and sensors were replaced. PCM was flashed for a 6cyl setup. Transmission & transfer case were also swapped out.
#jeep #jeepwrangler #jeeplife #gearheads #offroad
Additional upgrades:
- CV Driveshaft | www.oliversdriveshaft.com
- SYE kit | www.advanceadapters.com
-Transfer case cable shifter | www.savyoffrad.com
- Aluminum radiator from Champion | www.championradiators.com

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Опубликовано:

9 дек 2022

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Комментарии : 16

@bryanrodriguez5765 Год назад

Awesome!! I want to do this! Can you possibly make a video explaining the wiring a little more ? I love my tj but I need more power for sure.

@tdg0101 5 дней назад

Nice job

@VLEEZY1 2 месяца назад

Nice Video

@Jo_Nthejeep 5 месяцев назад

The yj I just bought came with a swapped 4.0 but the harness still needs to be repaired and having a lot of backlash help!

@jeepshak 5 месяцев назад

Where do you see the backlash?

@dannyb78 Год назад

What did this job cost you out the door if you don’t mind me asking ? I just blew my 2.5 and have to replace the motor 🤦‍♂️ .

@kenbox9355 10 месяцев назад

I want to do this to my 2.4

@user-ph2er5ho3d Год назад

Did you change ECU from your 2.5 to an ECU for a 4.0? did you use your 2.5 wiring harness? where can i get a copy of the wiring change that in your video. i am in the process of removing 2.5 and installing MORE motor mount kit i purchased. just need help on figuring out the wiring. thanks james

@jeepshak 7 месяцев назад

Apologies for the late reply. Need to figure out how to get notifications on this thing. Let me know if you still need info. To answer your questions: 1.) I got my 2.5 ECU reprogrammed from this company called ARES technologies in Reiverside, CA. 2.) I actually ended up using a wiring harness from a 99 but required some mods to connectors. More trouble than it's worth, but it was the only wiring harness I could find for the inline 6. Good luck, if you haven't already finished the swap.

@JavierLopez-ls7wf 8 месяцев назад

I have a 2001 jeep it was 2.5 but I changed the engine to 4.0 but it only changes the engine harnes and the e cm or it has to be everything help

@jeepshak 8 месяцев назад

Not sure how far along you are in the process, but there's quite a few things you would need to change i.e. Motor mount location, transmission, transfer case (or spline swap).

@julienmathis41 3 месяца назад

hi, I did the same swap on my 2002 tj, with a 1999 engine. I kept my 2.5 harness frame but currently I have an ignition problem, what are the exact modifications you did you do on the harness please?

@jeepshak Месяц назад

you obviously did get a new harness for the 4.0 and new trans, correct? can you elaborate on the problem? does it crank but no start? no power at all?