Automatic transmission radiator oil cooler bypass - Page 11 - Nissan Frontier Forum
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post #101 of 659 (permalink) Old 01-11-2010, 12:36 PM
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yeah i probably wouldn't do this in most areas without a cooler with a fan on it. i'm sure on a 90* day the tranny would get pretty hot.
when we moved in october , it was about 70 at night and i was towing a trailer , fan was cyling alot as well then too
i didnt realize how much heat build up when towing

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post #102 of 659 (permalink) Old 01-11-2010, 01:37 PM
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i plan on doing the bypass and doing a cooler with a tstat and fan but i'll probably put in a tranny temp probe and gauge first and monitor the temps and how fast it heats up and what normal temps are and stuff so i can compare when i do the bypass how everything differs.

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post #103 of 659 (permalink) Old 01-16-2010, 11:03 PM
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Just picked up an 08 CC SE. Reading on here, I'm planning on doing the bypass. My question is, do all auto Frontiers have the aux cooler for the transmission? I'm sure mine does, but just looking down in front of the radiator, I'm only seeing the a large cooler in front of the radiator on the passenger side. To me it looks more like an AC condenser just because of the size, but I've been wrong many times before.

Just wanted to ask before I pull the skid plate and do the bypass.

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post #104 of 659 (permalink) Old 01-17-2010, 01:26 AM
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the larger cooler passenger side infront of the radiator, you can get b&m coolers with fans and t stats pretty much the exact same size to use there instead of this factory one.

07 Red Alert Frontier SE KC Auto: Nismo CAI, Custom 3in exhaust w/ flowmaster and 4in Silverline tip (3in from the y all the way back), BFG Rugged Trails, Python 990 Alarm w/ remote start and 1 mile range, ABS Bypass Switch, Front facing child seat.
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post #105 of 659 (permalink) Old 01-17-2010, 08:11 AM Thread Starter
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Quote:
Originally Posted by Eury View Post
Just picked up an 08 CC SE. Reading on here, I'm planning on doing the bypass. My question is, do all auto Frontiers have the aux cooler for the transmission? I'm sure mine does, but just looking down in front of the radiator, I'm only seeing the a large cooler in front of the radiator on the passenger side. To me it looks more like an AC condenser just because of the size, but I've been wrong many times before.

Just wanted to ask before I pull the skid plate and do the bypass.
The AC condenser is in front of the radiator. The transmission oil cooler is in front of the AC condenser.



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post #106 of 659 (permalink) Old 01-26-2010, 06:16 PM
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If you want to do this with zero mess and waste, do it cold. It was about 20°F out and the truck had been sitting for a couple of days, stone cold. Almost nothing spilled out -- maybe a drop or two. I was expecting a gusher and had my drain pan waiting, but nothing spilled out. Also, I was expecting the hoses to be brittle due to the cold, but they were pliable and came off with no drama.
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post #107 of 659 (permalink) Old 01-26-2010, 10:03 PM
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Wondering if I should do this when my 5yr/60k powertrain warranty is up?? I have an 05 and wonder about the coolant/oil problem...

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post #108 of 659 (permalink) Old 01-27-2010, 12:31 PM
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is there 2 hoses to plug off on the radiator when doing this mod?

i would think there would be an inlet and an outlet for the transmission fluid?

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post #109 of 659 (permalink) Old 01-27-2010, 01:20 PM
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check the first page and first post and look at the last picture again

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post #110 of 659 (permalink) Old 01-27-2010, 02:36 PM
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check the first page and first post and look at the last picture again
I see said the blind man. all we are doing is joining those two hose before they go into the radiator. Is any kind of extra trans cooler needed after doing this mod?

I wondering if its possible to mount some kind of inline cooler where we make the connection. Instead of using a coupler use a inline cooler. Any thoughts?

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Last edited by bbyers; 01-27-2010 at 02:42 PM.
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