Jeep WJ Overland Rebuild Chronicles pt. 5 | How To Install Aluminum Radiator
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- Опубліковано 9 лют 2025
- When something breaks, we upgrade! Jeep Grand Cherokee WJ's are known for having a super hot engine bay. To help keep things cool, I upgraded my radiator. I went from a stock single core/row radiator to an all aluminum three core/row radiator. This thing is massive compared to the stock version. Bigger is better in the Jeep world, but that also comes with more work. Fitting this new radiator into space that was built for the OEM radiator was a bit of a challenge. Be prepared!
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Great video. Thanks for the info. I'm upgrading to what looks like that same radiator today, already got the old one out. Great to know what I'm getting into...
Just be careful of any a/c condenser or trans lines and you should be fine!
I’ve got this coming up with my 1999 4.7 WJ. Damn it’s going to be a tight fit. Thanks for sharing/
I’m wondering what the fitment looks like with a 4.7??? Keep me posted!!!
@@Fuelnomenal update. The 4.7 radiator install went very well actually. It was the closest plug and play aftermarket radiator install. First the aftermarket tank size was pretty much the same as the OEM. My WJ has the full towing package that includes an additional trans cooler and power steering cooler. Had to take the hardware out of the brackets to give some moving around room. I started this project because my A/C went out so I replaced everything including the evaporator and condenser. So I’m in it that far might as well do the entire cooling system as well. Guys not going to lie it’s a pain in the ass and not for the timid. The whole project took me 2 weeks. Back to the radiator. If you have the additional trans cooler. Take the hard lines off it then reinstall after the radiator and the fan shroud are reinstalled. I took my wrench to the grinder god to make it fit the cooler lines. so much easier that way. Take note of how close the radiator tank is to the steering gear box. The clearance is very close to the steering gear box. I took an angle grinder with a flapper whee and ground down about a 1/8 inch at the closest point to the steering gear bow . I did relief cuts to the upper radiator support . Take your time and remember the devil is in the details. Take the hard right over the easy wrong, because if you take your WJ off-road , remember it’s a uni-body. Things are going to flex and chafing will be a problem. You don’t want to be 20 miles into a trail with a hole in your radiator. Just trying to help out the WJ community. Keep up the good work on your channel.
@@robertgolden1080 awesome update 💯 I’m glad you had a successful install. Very useful tips for our 4.7 friends out there.
She’s pretty 😮
She aight haha
Modern sensors work at @195° so you should be GTG. Any lower and some emission equipment wont operate correctly...
I appreciate that information 💯 this is my first time running an upgrade like this.
How's the 3 core been over the last year?
@@merrittmcdowell8675 it has been perfect so far, but summer has come back around and this season will be the ultimate test!!!
@@Fuelnomenal Any update on the radiator over the summer?
@@n.deldelabaja312 it has worked like a charm 👏🏾👏🏾👏🏾
Did the bonnet vents make much difference?
It’s hard to tell because I replaced the radiator shortly after I installed the vents. They’re functional, as you can see heat waves coming up and out of the vents.
@@Fuelnomenal nice, about to do some on my 02 4.7 WJ. Hi from New Zealand.
@@robdefire4747 New Zealand in the house!!! The def move more heat out of the engine bay on road than off-road due to speed and airflow.
Did the radiator come with instructions? Did they mention that you would have to notch the support?
I don’t think any radiator comes with instructions 🤷🏾♂️I knew about having to notch the support from reviews and UA-cam vids.
@@Fuelnomenal Shit- I knew about it from watching YOUR video! 🙃
@@revolutionday1 glad I could be somewhat useful 🤷🏾♂️🤣🤙🏾
What thermostat temp do you run? I run a high flow pump thermostat housing and thermostat (180°) which I find keeps me right about 200°. Everything is stock rn but I'm gonna do a work rig so she's go be put to the test. I was thinking with the same high flow set up but a 190°(stock) thermostat and the three core. Both setups would work the same I believe, which is what I want, but for a rig that's gonna idle a lot I'd like for a bit higher volume of coolant overall if that makes sense
I’m running a 205 thermostat with the new 3 row (core) radiator. I found that the stock 195 thermostat was not allowing the engine to get to operating temp (210) as the stock thermostat would open prematurely. This caused the engine to run too cold and would trigger a check engine light after running at low temps for too long.
@@Fuelnomenal hell yeah okay I can get with that, and that makes sense. I have a stock 2000 2wd Laredo and a lot of the information I find is for 4x4 units or overland units not much for these little commuter grand Cherokees. I also forgot to mention I run a coolant additive as well, and I added a clutch fan inline with the e-fan that works sometimes and sometimes doesn't it works when I turn the AC on tho so I know its just the relay.
So with a high flow cooling system, clutch fan, e-fan and a 3 core with a 205° is where I'm looking to start bet. I live in southern Nevada it gets hotter then the devil's dick down here, I idle for long periods of time due to work and last summer it was running 215/220 the whole season while I know that's okay I'd like to make this engine last and try to keep it running about 205/210. Thanks for the information I appreciate it, I'm on a quest to make a absolute unit of a Cherokee, it ain't gonna pull 10s on the 1/4 or rock climb per say but im tryinna make it bullet proof
@@williammontano7854 do you follow me on social media??? I’d love to see your rig!!!
Should be GUCCI send it
Let’s go🫵🏾😎🤙🏾
You've got extra fuckery going on with your setup (*towing package, perhaps?).
I say that because I have a 2002 Laredo (4.0L, 4x4) that is basically what this radiator seems to have been designed for, with the trans lines running into the radiator, and only the single electric fan in the shroud, with no clutch fan.
I just bought and installed a radiator similar to this, only I believe it's a 2 row, and other than the bastards not sending me all the fittings with it that should've come, I didn't encounter too many issues.
Yea mines a 2004 4.0L with the factory tow package.