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Author Topic: 2001 Excursion 7.3 transfer case fluid  (Read 825 times)

Offline hhack

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2001 Excursion 7.3 transfer case fluid
« on: April 20, 2021, 04:44:09 PM »
The seal from my transmission to transfer case is broken and leaking. How bad is this if I keep adding transmission fluid Mercon V.  What is recommended transfer case fluid to use? Thank you! Some people saying mercon Ford says motorcraft xl-12. But assuming Iím leaking tranny fluid into transfer case what should I be topping off with in tranny? When I pull check plug on transfer case tranny fluid is pouring out.
« Last Edit: April 20, 2021, 07:24:00 PM by hhack »

Offline Woodchuck

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Re: 2001 Excursion 7.3 transfer case fluid
« Reply #1 on: April 20, 2021, 05:18:25 PM »
Leaks do not get better with time and miles, at some point it will eat the trans and maybe the transfer case as well.  :twocents:
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Offline hhack

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Re: 2001 Excursion 7.3 transfer case fluid
« Reply #2 on: April 20, 2021, 07:16:38 PM »
Iím on a limited budget and need my truck. What kind of tranny fluid should I be topping off with assuming itís leaking into transfer case?

Offline mazama

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Re: 2001 Excursion 7.3 transfer case fluid
« Reply #3 on: April 20, 2021, 09:39:26 PM »
Whetever works in the transmission will work in the transfer case,transfer case is not as picky as the transmission.

Offline huntnphool

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Re: 2001 Excursion 7.3 transfer case fluid
« Reply #4 on: April 20, 2021, 11:30:59 PM »
How many miles on it?
The things that come to those who wait, may be the things left by those who got there first!

Offline MR5x5

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Re: 2001 Excursion 7.3 transfer case fluid
« Reply #5 on: April 21, 2021, 11:50:26 AM »
Great forum for all things 7.3

https://www.ford-trucks.com/forums/forum31/

Offline hhack

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Re: 2001 Excursion 7.3 transfer case fluid
« Reply #6 on: April 21, 2021, 03:21:05 PM »
Thanks for the replies 215k if it was your truck what type of tranny fluid would
You use assuming itís leaking into transfer case

Offline MR5x5

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Re: 2001 Excursion 7.3 transfer case fluid
« Reply #7 on: April 21, 2021, 03:34:01 PM »
From a trusted X-Ford Transmission engineer.

"You may use either conventional or synthetic ATF, as long as it is rated MERCON or MERCON V. Your Ownerís Guide says to not use MERCON V, but Ford changed that in 2006."

Offline jackelope

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2001 Excursion 7.3 transfer case fluid
« Reply #8 on: April 21, 2021, 05:59:45 PM »
Mercon V in the transmission or the t case.

Or LV.
:fire.:

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Offline hhack

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Re: 2001 Excursion 7.3 transfer case fluid
« Reply #9 on: April 21, 2021, 09:39:42 PM »
Boom thank you guys!!!!!!!

 


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