Aux. Trans cooler Install Help Needed
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Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Aux. Trans cooler Install Help Needed
2003 Transmission cooling image:
Item Part Number Description
1 7A095 OTA transmission fluid cooler
2 — Fluid outlet
3 — Fluid inlet
4 7F113 OTA fluid cooler inlet tube
5 7N291 Fluid cooler tube bracket
6 7A030 In-tank fluid cooler inlet tube
7 7A031 Fluid cooler return tube
8 388160-S101 C-clip
9 7N291 Fluid cooler line clip
10 7H322 Cooler bypass valve (CBV)
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I want to thank Tenn Mike for this illustration on the transmission cooling of our 7.3's, thanks Mike.
I copied and pasted it from another thread after searching all nite last nite I finally found it just an hour ago.A special thanks to Clay also for the Derale 7000 kit. Now my problem, how do I tap into these lines with my aux. trans cooler?? My direction say to connect after the stock cooler, is that one the intank cooler in the radiator or the small one in between the IC and AC condensor???? In the illustration above, how do I start my project with the hoses, connect first hose where and then the next hose?? Thanks...
Item Part Number Description
1 7A095 OTA transmission fluid cooler
2 — Fluid outlet
3 — Fluid inlet
4 7F113 OTA fluid cooler inlet tube
5 7N291 Fluid cooler tube bracket
6 7A030 In-tank fluid cooler inlet tube
7 7A031 Fluid cooler return tube
8 388160-S101 C-clip
9 7N291 Fluid cooler line clip
10 7H322 Cooler bypass valve (CBV)
<!-- / message --><!-- sig -->__________________
I want to thank Tenn Mike for this illustration on the transmission cooling of our 7.3's, thanks Mike.
I copied and pasted it from another thread after searching all nite last nite I finally found it just an hour ago.A special thanks to Clay also for the Derale 7000 kit. Now my problem, how do I tap into these lines with my aux. trans cooler?? My direction say to connect after the stock cooler, is that one the intank cooler in the radiator or the small one in between the IC and AC condensor???? In the illustration above, how do I start my project with the hoses, connect first hose where and then the next hose?? Thanks...
Laughing Gas
Joined: Jan 2007
Posts: 870
Likes: 9
From: Carbondale, CO
Mike, I installed a Tru-Cool this way. I disconnected the rubber hose from the return line to the tranny, and ran it to the tru-cool, then plumbed the other tru-cool line back to the hard tranny return line. Fluid flow is trans to radiator cooler, to stock trans cooler, to tru-cool, and back to trans. return line.
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Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Its the Derale 7000 kit Grant but this one is a 10,000 towing rating 22500 GVW rating, perfect for me. And yes, in series with my coolers....And thanks Dean, appreciate it..
Last edited by big poppa; Sep 14, 2010 at 05:35 PM. Reason: Added Dean and fixed rating.
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Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
I don't know Chase, this new one only a bit bigger than stock and I'd be defeating my objective, or keeping the temps the same of sorts. Got me thinking though of adding a trans filter in there somewhere but thats later. Still open to more suggestions....
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Should be a 22500 GVW rated...
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Thread Starter
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Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Opps, sorry Clay, your right, 10,000 towing, 22500 GVW. Fixed up top.. This is a great kit Clay, just want to make sure on the right hoses to connect too..
Don't have that ammount of coin there Chase, I'm in the same boat as you, lol...
Don't have that ammount of coin there Chase, I'm in the same boat as you, lol...
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Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Nice find to say the least brother Chase. I've been finding 38R turbos but no 6.0 TC's. Still open for suggestions or did Dean back some post hit it right on..I think I can manage that..
Fleet Owner
Joined: Mar 2007
Posts: 28,289
Likes: 6
From: BLT, MN
Mike, I installed a Tru-Cool this way. I disconnected the rubber hose from the return line to the tranny, and ran it to the tru-cool, then plumbed the other tru-cool line back to the hard tranny return line. Fluid flow is trans to radiator cooler, to stock trans cooler, to tru-cool, and back to trans. return line.
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Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Nope, the Derale 7000, do a search Bob, Clay sent me this to try on mine and to see how the install goes, easy, good investment, exct. I might have to wait till the weekend now but the install with pics and explainations on the job will follow, the least I can do for Clay and FTE. Stay tuned.
Thanks Jay, nobody was chiming in so I suppose thats what everybody did. Looked at some other setups, Izzy351 Joe rings a bell but just couldn't get it to stick in my head. I appreciate everybody's help.
Thanks Jay, nobody was chiming in so I suppose thats what everybody did. Looked at some other setups, Izzy351 Joe rings a bell but just couldn't get it to stick in my head. I appreciate everybody's help.
Laughing Gas
Joined: Aug 2009
Posts: 1,192
Likes: 7
From: Belgrade, MT
Install
Mike,
I put the exact one in my truck. Once you get underneath, take a look at the two steel lines coming from the tranny. One will go to the radiator, thats the hot one, the other will come from the small factory cooler, thats the cold return line, and the one you want to tie into.
I popped the rubber line off the steel right there.
Mount the cooler in front where you want it, I mounted mine right on top of the little Power steering cooler. Once anchored in, hook up the Derale supply line to the top port on the new cooler and run it back to the steel return line to the tranny. Cut that line and clamp on so that it doesn't rub anywhere.
take the piece leftover after that, and install it in the lower port on the cooler, run it back to the rubber piece that is coming from teh original cooler now. there is a barb in the kit, use it to splice the too together.
Add 1/2 quart of tranny fluid or so, fire it up, check for leaks, and go tow something.
I put the exact one in my truck. Once you get underneath, take a look at the two steel lines coming from the tranny. One will go to the radiator, thats the hot one, the other will come from the small factory cooler, thats the cold return line, and the one you want to tie into.
I popped the rubber line off the steel right there.
Mount the cooler in front where you want it, I mounted mine right on top of the little Power steering cooler. Once anchored in, hook up the Derale supply line to the top port on the new cooler and run it back to the steel return line to the tranny. Cut that line and clamp on so that it doesn't rub anywhere.
take the piece leftover after that, and install it in the lower port on the cooler, run it back to the rubber piece that is coming from teh original cooler now. there is a barb in the kit, use it to splice the too together.
Add 1/2 quart of tranny fluid or so, fire it up, check for leaks, and go tow something.