Changing Tranny Cooler for 6.0L cooler - Ford Powerstroke Diesel Forum
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Old 07-14-2008, 09:41 PM
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Changing Tranny Cooler for 6.0L cooler

I have a 7.3L with the 9-row tranny cooler. Sometimes, I've had temps up in the 210-250 range when I tow my 5th wheel. I'd feel more comfortable with them lower. I bought a 6.0L tranny cooler, the hoses, the adapter fittings, hose clamps.

I plan on assembling the 6.0L cooler with the hoses, etc.

Now for my questions:
  • How much of the front end do I need to take off to get this changed?
  • Any pointers on how to get the old one out?
  • Because the fittings are on the bottom of the new cooler, will I have air trapped in the top of the cooler by just hooking it up and let the tranny push fluid in?
  • If so, should I fill it, plug the hoses and then just pull the plugs and attach to the metal lines, which might allow air in, but in minimal amounts?
I am open to any advice, pointers, tips or tricks from anyone who may have done this already......Thanks in advance!

Last edited by SuperCrutyPS; 07-14-2008 at 09:48 PM.
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Old 07-14-2008, 09:43 PM
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I think Raul@stealthautomotive just posted that he recently did this??!!! search over the last few days you'll find it.
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Old 07-14-2008, 09:53 PM
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just posted this up tonight: Tranny Heat Issues???

you will need to take off the latch in order to take out and put in the 6.0L cooler... make sure you mark it with a sharpie so you know exactly how it goes on later....
also lossen the radiator so that you have more room to get your hand in their... the stock cooler is a PITA to take off.. esp the lines... all i did was cut them so i could get it out...

are you changing the fluid at the same time? if not i would highly suggest it... take off the pan and put a new filter on it too.... if you want even better cooling add a larger pan as well... total with my 6.0L cooler, pan and secondary cooler i added 5gal of Amsoil ATF....

let me know if you have any other questions

-Raul

EDIT: to get the air out dont plug in the return line... put it to a bucket and turn on your truck and let it fill up with fluid... then plug it back in... top off the fluid and your done
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Old 07-14-2008, 10:05 PM
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I read somewhere about the cooler lines need to be changed with this swap....anyone know?
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Old 07-14-2008, 10:11 PM
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Quote:
Originally Posted by CHUCK View Post
I read somewhere about the cooler lines need to be changed with this swap....anyone know?
they dont need to be changed... but the 6.0L cooler uses a different size line so you just need some fittings to make it fit....
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Old 07-14-2008, 10:26 PM
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Good write up Raul. Thanks for the pointers and information.

I hadn't thought about changing the fluid or the filter, but I can see that it's a good idea. Not having fluid in the there would help get the new cooler in there. I'll have to consider that.

Last edited by SuperCrutyPS; 07-14-2008 at 10:39 PM.
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Old 07-15-2008, 05:43 AM
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Quote:
Originally Posted by SuperCrutyPS View Post
Good write up Raul. Thanks for the pointers and information.

I hadn't thought about changing the fluid or the filter, but I can see that it's a good idea. Not having fluid in the there would help get the new cooler in there. I'll have to consider that.
yah its def a good idea... you dont want old fluid clogging up the new cooler... if it does your screwed..... if you do that then i recommend changing the fluid first and doing a complete flush... then install the cooler so you know only clean fluid goes in....

its pretty simple just requires some time and some extra hands
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