The 3.0L and 4.0L both have two freeze plugs on each side of the block just under the heads. Then each head has one in the front and rear of each one.
Not sure why you are looking for these but the most common reason is you have a leak. If that is the case, I would suggest pressure testing the system just to confirm where the leak is coming from.
Here is a guide that will help with this:
https://www.2carpros.com/articles/radiator-pressure-test
Below are pictures of each side of the 3.0L but the 4.0L is pretty much identical.
Let us know if you have other questions. Thanks
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Wednesday, September 15th, 2021 AT 7:23 PM