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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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Old 01-30-2013, 10:55 PM
Hellz Hellz is offline
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Default Tranny cooler for 03

does anyone have a parts list for a external tranny cooler?

i was just told that the tranny that was pulled from my H2 had trace amounts of coolant in it, and in order to keep my warranty, i need to resolve the cooling lines. either buy a new radiator, or get a external cooler..

so, looking for some recommendations..

i would like a 1 stop shop to buy everything.

any ideas, let me know please
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Old 01-31-2013, 02:34 AM
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NJ H2 NJ H2 is offline
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Default Re: Tranny cooler for 03

I purchased the Tru-Cool MAX transmission cooler.
Here is the Part number 4739-1 and does NOT include the external thermal bypass for colder climates.

Tru-Cool # 4739-1
This is a good thread on the install:
http://www.elcovaforums.com/forums/showthread.php?t=42698&highlight=transmission+cool er
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Old 01-31-2013, 02:37 AM
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Default Re: Tranny cooler for 03

I'd recommend the Tru-Cool MAX (4739-1).

Skim this thread: http://www.elcovaforums.com/forums/s...ad.php?t=37731

I put the Tru-Cool in back in August. It was about a 2 hour project in my driveway. The tranny temp hasn't went above 120 since.
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Old 02-01-2013, 04:33 AM
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Default Re: Tranny cooler for 03

Did the same mod with the same parts.

Tranny heat only registers on the gauge if I'm going to the mountain. In town, .... just reads zero. Cool............

Very easy mod to do and man does it make you feel better. For the fact that you won't have antifreeze in your tranny and the fact that the your tranny stays that much cooler.
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Old 02-01-2013, 10:01 PM
Hellz Hellz is offline
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Default Re: Tranny cooler for 03

thanks for the info.

im limited since i am only here in Reno for another month, but i did bring tools... i do want to get this done before i drive 1800 miles home though.
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2003 Black Hummer H2 Adventure Package
4.88 gears *** Cognito UCA & SwayBar Links *** Kryptonite tie rods *** K&N CAI *** 37x12.50xR20 BFG KM2 Mud Terrain's *** 20x10 Black KMC Rockstars *** EBC Slotted Rotors *** N-FAB Sidesteps *** Line-X Grill *** Recon Smoke Cab Lights ***Diablo Predator U7193
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