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Unread 12-20-2011, 05:10 PM   #1
lafacej
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Do I have to use Mopar coolant?

I have an 04 WJ with the 4.0 engine and I wanted to flush the system soon, just got it not too long ago, and wasn't sure if it mattered? Owners manual says to use MOPAR but I wanted a more reliable opinion from some WJ owners. Thanks!

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Unread 12-20-2011, 05:12 PM   #2
Ravie
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Zerex G-05 is best. http://www.valvoline.com/products/br.../antifreeze/42
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Unread 12-20-2011, 06:21 PM   #3
rm2001wj
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Mopar = HOAT = Zerex G-05. Use any brand of HOAT that you can find. HOAT stands for Hybrid Organic Acid Technology.
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Unread 12-20-2011, 08:18 PM   #4
hammerz71
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Yep, just replaced my original radiator two weeks ago, used Zerex G-05
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Unread 12-20-2011, 08:24 PM   #5
tjkj2002
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Quote:
Originally Posted by rm2001wj View Post
Mopar = HOAT = Zerex G-05. Use any brand of HOAT that you can find. HOAT stands for Hybrid Organic Acid Technology.
Also Fords Gold coolant is also HOAT.
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Unread 12-20-2011, 09:58 PM   #6
lafacej
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Thanks for the help everyone! Im still new to Jeeps, but I take great care of my vehicles via maintenance, cleaning, and my own inspections. Not sure what I want to do with it yet though
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Unread 12-21-2011, 10:39 AM   #7
KayCeeJeep
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The Zerex is the best aftermarket option I know of, I found it at NAPA a lot of parts stores don't carry the HOAT version.
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Unread 12-21-2011, 11:46 AM   #8
1AAdam
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i will have to try the zerex. i've just used penzoil. didn't know about the HOAT thing. let the flaming begin!!
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Unread 12-21-2011, 11:59 AM   #9
thisguyhasadd2
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i went with the mopar, its 100% the right fluid so why not
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Unread 12-21-2011, 12:09 PM   #10
epGTO
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Anything wrong with Prestone add to any color antifreeze?
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Unread 12-21-2011, 12:36 PM   #11
lafacej
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How much was the MOPAR?
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Unread 12-21-2011, 12:37 PM   #12
Terminator2
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Quote:
Originally Posted by epGTO View Post
Anything wrong with Prestone add to any color antifreeze?
No, people will tell you otherwise but the add to any color stuff has a bunch of different additives that allow it to replace and mix with all types of antifreeze. I have it in my 4.7. Mine had the original 10 year old (102K miles) HOAT coolant in it and it was beyond disgusting. Flushed it out really good and filled it with Prestone universal 50/50. It was so nasty inside I am considering flushing it again before summer comes just to make sure all the sludge is out. Contrary to popular belief regular green coolant will not eat up the aluminum due to its formulation but because its fast acting corrosion inhibitors (silicates and phosphates) are used up more quickly than OAT or HOAT which are slower acting but last longer because of these facts if you do not change the old formulation green stuff every 2-3 years it no longer prevents corrosion like it did when new.
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Unread 12-21-2011, 12:47 PM   #13
thisguyhasadd2
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it was about 20 for a gallon of concentrate.
Worth it in my opinion, i dont want to risk potential corrosion due to skimping out on 5$
I've seen a few gc on here that have such bad corrosion they needed new timing cover and gets costly
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Unread 12-21-2011, 12:51 PM   #14
skain8
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Quote:
Originally Posted by thisguyhasadd2 View Post
i went with the mopar, its 100% the right fluid so why not
My why not is that it's more than twice as expensive as the Zerex.
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Unread 12-21-2011, 06:14 PM   #15
rowdy1
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Re:Why Not

Quote:
Originally Posted by skain8 View Post
My why not is that it's more than twice as expensive as the Zerex.
There's a reason we call em "The Stealership".
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