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  #1  
Old 06-24-2013, 12:55 PM
Rico1 Rico1 is offline
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Default Factory trans cooling?

I have a '12 R/T Hemi V8 AWD with the factory tow package. The package says it has heavy duty engine cooling and an oil cooler. I can see ATF cooling lines going to the radiator. I do not see a separate transmission cooler. I take it the tow package does not have a supplemental transmission cooler?

I looked at some Ram trucks at the dealer and did not see transmission coolers on those as well, even the heavy duty trucks. The Dodge parts diagrams show no supplemental transmission coolers for the Durangos or the Ram trucks. Does anyone know why Dodge went without supplemental transmission coolers? Should I add one for heavy towing?
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Old 06-26-2013, 05:36 AM
12DurangoCrew 12DurangoCrew is offline
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I wouldn't worry about it. The radiator is different from a non-towing packing Durango than a Durango with the towing package. It's a "heavy duty cooling" radiator, I imagine that the transmission cooler is bigger in those radiators. My Durango (3.6L) didn't come equipped with the tow package, but I want to start piecing together everything I need. I installed the hitch and wiring myself already. I need a radiator, alternator, full size spare, and the rear Nivomat shocks.
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Old 06-27-2013, 09:46 PM
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The transmission cooler is actually built into the radiator. No need for an external cooler. As for the oil cooler. I believe it's directly between the oil filter and the engine block. At least it was on my 6.1 SRT8 Hemi.
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Old 08-08-2013, 12:26 PM
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Default Trans Oil Cooler 2012 5.7L?

Great info...I've been scratching my head also trying to figure out if my 2012 5.7L RWD Citadel had a trans oil cooler. I couldn't see one mounted externally. I told a Dodge parts tech that I was building a Tow Pkg on my vehicle as it did not come equipped, and asked about an add-on Trans oil cooler. He said there was one already on it. Since I'm only going to pull a Palomino Stampede S195SD GTW ~ 4200#, I'm thinking I'll see how well the factory cooler works before I worry about an add-on. But just in case, can anyone recommend an add-on for my model Durango?
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Old 08-11-2013, 09:29 PM
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On the Durangos with the HEMI, you have the Tow/Haul button that is included with the Towing Package. That controls the transmission shifting so it goes into the correct gear based on how much torque is needed when you tow. The Durangos with the Pentastar (mine included) does not have it with the towing package. When I towed my SRT from GA to TX the transmission temp didn't go over the normal operating temp. The RAMs do come with a transmission oil cooler.

As for an add on... I really do not know.
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