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Traction-Lok Equipped???

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Old Dec 11, 2014 | 11:52 PM
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Traction-Lok Equipped???

I looked at a sweet '04 6.0 EX today. The guy swears it has "posi" but when I test drove it and pulled out into traffic from pea gravel I noticed evidence of wheel spin from only one side. My question is is there anyway to tell without popping the diff cover? I know GM has rpo codes, is there anything similar that Ford does?
 
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Old Dec 12, 2014 | 09:23 AM
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The codes are by the drivers door.... Find the axle code and post it here.
 
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Old Dec 12, 2014 | 11:04 AM
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Ford Excursion Axle Codes:

3.73~~~~~31 --- Open Diff / ~~~~C1 --- Limited Slip

4.10~~~~~32 --- Open Diff / ~~~~C2 --- Limited Slip

4.30~~~~~33 --- Open Diff / ~~~~C3 --- Limited Slip
 
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Old Dec 12, 2014 | 03:52 PM
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Originally Posted by LivingLarge
The codes are by the drivers door.... Find the axle code and post it here.



No axle code, and this guy was weird about me taking a pic of the door tag or climbing under the truck to look at the axle tag. Something is fishy to me.
 
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Old Dec 12, 2014 | 04:02 PM
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Here is what my door sticker looks like:



C1 - therefore 3.73 LS

If you have the vin you can use a vin decoder (VIN Decoder - Ford Truck Enthusiasts Forums) to see what it came from the factory with. No telling what has been done since/what the guy is acting weird. Definitely weird if he doesn't want you investigating stuff about the truck.

EDIT - I can't pretend to know what I'm talking about as I'm learning just as much as you researching this, but shouldn't my TR (transmission) code be the same as his if they are both 2004 6.0 excursions?
 
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Old Dec 12, 2014 | 04:49 PM
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Originally Posted by MK2Pierce


No axle code, and this guy was weird about me taking a pic of the door tag or climbing under the truck to look at the axle tag. Something is fishy to me.
I know the 2000's all don't have the codes written, but I've never seen an 02' or newer without it. Just my .02
 
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Old Dec 12, 2014 | 04:51 PM
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Nate also has a good idea, check with vin number...
 
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Old Dec 12, 2014 | 06:21 PM
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Originally Posted by nmclella
No telling what has been done since/what the guy is acting weird. Definitely weird if he doesn't want you investigating stuff about the truck.

EDIT - I can't pretend to know what I'm talking about as I'm learning just as much as you researching this, but shouldn't my TR (transmission) code be the same as his if they are both 2004 6.0 excursions?
I was doing some checking also, it should be the same code as yours. I went back on Craigslist to copy the ad onto FTE but the ad has been removed. I think it was a scam of some sort. Thanks for your time guys.
 
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Old Dec 13, 2014 | 12:06 AM
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If it pops up again take some screen shots and post a link on here.
 
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Old Dec 13, 2014 | 10:06 AM
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Keep in mind that any factory limited slip is likely worn out by now and will act like an open differential. Even brand new they were fairly weak.
 
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