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2006 nissian pathfinder


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greenframmer
New User

Feb 26, 2015, 10:54 AM

Post #1 of 9 (1412 views)
2006 nissian pathfinder Sign In

What can I do to prevent the transmission fluid from mixing with the radiator fluid.


Discretesignals
Ultimate Carjunky / Moderator
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Feb 26, 2015, 11:40 AM

Post #2 of 9 (1402 views)
Re: 2006 nissian pathfinder Sign In

I understand your concern. You don't want your transmission destroyed and Pathfinders had problems with that. Two options. Replace the radiator or install an external transmission cooler.





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nickwarner
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Feb 27, 2015, 11:39 PM

Post #3 of 9 (1382 views)
Re: 2006 nissian pathfinder Sign In

Of those two options I recommend the radiator change. For one thing, heat transfer is many times higher with liquid than air. Thats why you succumb to hypothermia in water much faster than air of the same temp. Also, the heat exchanger being in the radiator aids in getting your fluids up to the right temp when cold. The engine warming up warms the fluid in the trans. This is why even vehicles that come factory with auxiliary air to air coolers still route through the heat exchanger in the radiator first.


Tom Greenleaf
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Feb 28, 2015, 1:03 AM

Post #4 of 9 (1378 views)
Re: 2006 nissian pathfinder Sign In

I'll second that - go for the new radiator - best you can find.


The name "trans cooler" can be misleading but is the only word we use. I'd rather call it what Nick just mentioned it really moderates the temp of trans fluid not just make it as cold as it can get which you don't want,


T



Hammer Time
Ultimate Carjunky / Moderator
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Feb 28, 2015, 6:01 AM

Post #5 of 9 (1372 views)
Re: 2006 nissian pathfinder Sign In

What's wrong with doing both and get twice the cooling?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
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Feb 28, 2015, 8:55 AM

Post #6 of 9 (1366 views)
Re: 2006 nissian pathfinder Sign In

Yes - ones seen (havent' added one for myself) use extra up front of all AND use radiator as well. As said it's both cooler and a warmer keeping fluid to a dull roar without the extremes that kill transmissions.


Cold weather packaged vehicles would put radiator so called coolers on the incoming hot tank of a radiator not the cooler side as super cold isn't good either for oil flow in general,


T



Discretesignals
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Feb 28, 2015, 10:49 AM

Post #7 of 9 (1357 views)
Re: 2006 nissian pathfinder Sign In

That's interesting because I did an AC job on a 2005 Chrysler 300. Guess where they put the transmission cooler?







Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Feb 28, 2015, 10:51 AM)


Hammer Time
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Feb 28, 2015, 11:39 AM

Post #8 of 9 (1351 views)
Re: 2006 nissian pathfinder Sign In

Yes, I've done a few of those DS.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
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Feb 28, 2015, 12:51 PM

Post #9 of 9 (1347 views)
Re: 2006 nissian pathfinder Sign In

Hmmm? And FIAT owns them now - any questions?


T







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