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Transmission fluid/filter?

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Old Nov 13, 2008 | 04:35 PM
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rhodeisland350's Avatar
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Transmission fluid/filter?

Hey guys-

I've done a search in this forum and the super duty forum and i can't seem to find a definitive answer.

I have an 05 350 PSD torqueshift and i want to do a tranny flush tmrw, is Mercon SP the correct fluid? Is it 18 qts for a full flush? Also, is it necessary to do a filter swap? If so, does anyone know the filter number ?

Thanks in advance for your help
 
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Old Nov 13, 2008 | 05:07 PM
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18 quarts of Mercon SP is correct though it really depends on how much fluid you can get out of the transmission. Good dealer service departments use a heated flush machine to get all of the old fluid out. There's also info in the 6.0 Tech thread at the top of this forum with instructions on DIY. Here's a link: https://www.ford-trucks.com/forums/3...ch-folder.html

The external filter in the aluminum canister is an FT-145. They are available thru site sponsor Diesel filters online for a reasonable price. The internal unit is really a fine screen and not a filter, per se. Those are changed at 60K intervals. I change the FT-145 on mine every 10K because I tow.

If you have an impact wrench handy that is the best way to loosen the aluminum canister to remove/replace that filter.
 
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Old Nov 13, 2008 | 07:11 PM
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Thanks Kep, i appreciate the response and the link!
 
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Old Nov 14, 2008 | 08:44 AM
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If you do a regular filter change, how much tranny fluid should one expect to lose?
 
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Old Nov 14, 2008 | 08:59 AM
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Wink Hope this helps . . .

You can get the external filter at any auto parts store for $20, I get them at O'Rielly's here in Houston. Here is a pic of the canaster and it is on the front right side of the radiator. Motocraft #FT-145 $19.99, WIX 57702 $19.99<?xml:namespace prefix = o ns = "urn:schemas-microsoft-comfficeffice" /><o></o>




Mine came off with just a soclet wrench but some have had troubles.
 
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Old Nov 14, 2008 | 09:06 AM
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Originally Posted by jomac11
If you do a regular filter change, how much tranny fluid should one expect to lose?
Just a few ounces. I put fresh fluid in the filter housing and then put the element in it. That way you have essentially no losses.
 
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Old Nov 14, 2008 | 09:12 AM
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Sounds good, getting close to 30k so I'm just gettin ready for all the necessary services...
 
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