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4R100 A/T fluid?

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Old Dec 1, 2004 | 06:51 PM
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4R100 A/T fluid?

What type of atf should be used in 4r100 in a 2002 crew cab 7.3 4x4 also what is a good torgue converter to use in this truck, I will mainly use it empty but will sometimes tow an enclosed car trailer putting on a lot of miles quickly over several days of steady driving. I also tend to be an aggressive driver at times, (pedal to the metal). I am also considering a chip, possibly a hypertech as someone I know has one and is getting rid of the truck so I can get it cheap. Not sure if this helps to figure out the application on the converter or not?
 
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Old Dec 1, 2004 | 07:20 PM
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Ford Mercon 5 or Castrol Synthetic. The OEM TC should be fine. Chip does not matter as for as the trans. You will burn a bit more fuel with a chip.
 
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Old Dec 1, 2004 | 09:36 PM
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Originally Posted by V10MARS
Ford Mercon 5 or Castrol Synthetic. The OEM TC should be fine. Chip does not matter as for as the trans. You will burn a bit more fuel with a chip.

NNNNNNOOOOOOOOOO!!!!!!!!!!!!! do not use the Mercon 5, Use the straight Mercon, in your 2002 PSD. Use that Mercon 5 and you will be replacing it. The PSD produces way too much torque, the 5 cannot take it.


Come back to the 7.3L page the V10 guys will screw you up. They have different needs for their trucks.

Fire Rooster
 
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Old Dec 1, 2004 | 10:50 PM
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Mercon V will kill the 4r100 whether it's hooked to a diesel or V10 or v8.

Eric
 
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Old Dec 1, 2004 | 10:53 PM
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I changed mine to Mobil 1 synthetic at 30k and noticed better tranny shifting. 18 quarts of the stuff is not cheap but well worth it IMHO. I have a 5.4 with a auto.
 
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Old Dec 2, 2004 | 05:59 AM
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I was told not to USE MERCON V by the Stealership. I use reg. Mercon.
 
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Old Dec 2, 2004 | 07:04 AM
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02sd,

Use whatever is recommended in the Owner's manual. Look under "capacities" or "transmission fluid". If the truck's running fine with what it's had in it thus far, don't deviate. If it ain't broke, don't fix it!

Daryl
 
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Old Dec 2, 2004 | 09:34 AM
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I changed to Mobil 1 Syn. Tranny runs cooler.
 
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Old Dec 2, 2004 | 09:39 AM
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Originally Posted by V10MARS
Ford Mercon 5 or Castrol Synthetic. The OEM TC should be fine. Chip does not matter as for as the trans. You will burn a bit more fuel with a chip.
Sorry I was wrong. I was recently reading 4R100 and 4R70W TSB. Regular Mercon for the 4R100.
 
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Old Dec 2, 2004 | 04:38 PM
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Originally Posted by Fire Rooster


Come back to the 7.3L page the V10 guys will screw you up. They have different needs for their trucks.

Easy man! Us V10 guys aren't out to screw anyone up.

Here is an article from right here on FTE by Mark Kovalsky http://www.fordtrucks.com/article/id...nsmission.html
 
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Old Dec 2, 2004 | 05:33 PM
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I did not mean it as you guys are out to screw any one up, sorry. What I was getting at is that his truck is a diesel so he needs diesel advice not to be screwed up by confusing with a non-diesel may be saying is right for their trucks. Sorry for the confusion.

Fire Rooster
 
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Old Dec 2, 2004 | 07:04 PM
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Didn't do anything to Mobeys tranny untill 141,000 miles (cept check the level 4 times) so the stocker should be fine!! At that point I had the tranny and coolers flushed and I had Mobil 1 Syn put in!! Haven't checked it sense, 185,000 miles now!!
 

Last edited by MobeyDick; Dec 2, 2004 at 07:07 PM.
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Old Dec 3, 2004 | 08:17 PM
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4R100 A/T fluid?

Is Mobil 1 Syn a direct replacement for the ford mercron but in a synthetic version or is it similar to the ford mercron 5.
 
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Old Dec 3, 2004 | 08:35 PM
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Mobil 1 is MERCON, not MERCON V, and it is synthetic.
 
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Old Dec 3, 2004 | 09:12 PM
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Nothing special about a diesel tranny from 99 to 02. Gas and diesel all used the same 4R100 and they all get the same type of fluid which is Mercon. Don't use Mercon 5.
 
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