9 inch trac lock identification help - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 01-16-2008 Thread Starter
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9 inch trac lock identification help

I just took out my third member to rebuild the posi unit.I bought the car with this already in it so I don't know what rebuild kit to buy. The only numbers on the trac-loc/limited slip are A C2AW4206 9DIF. the numbers/letters are in three different areas, not all together.the unit is all enclosed and looking through where the axle shafts go there's a moly pin going through it.I don't know who makes it. So any help is greatly appreciated!

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post #2 of 6 (permalink) Old 01-16-2008
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Looks like the carrier numbers. Upon looking in my Dearborn Classics catalog I see that the difference is only specified by 9inch and 8inch. So apparently they're all the same with respect to size. Best of Luck

Old and in the way.
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post #3 of 6 (permalink) Old 01-16-2008
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Ford only made two kinds of Posi's back then. they both had a "L" between the ratio number on the rear end tag, Like 3L50. They were Detriot locker and a clutch type unit.
The detriot locker had a "N" in the cast iron case just above the pinion gear. It stood for Nodular Iron.
How to rebuild one?, I would say, put it together, that would be the rebuild. If its a clutch type , no big deal, If its a detroit locker, take it out and sell it and get a clutch type and lots of beer money also.
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post #4 of 6 (permalink) Old 01-16-2008 Thread Starter
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Thanks for the info

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post #5 of 6 (permalink) Old 01-17-2008
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traction lock

Hi on your carrier, around one of the bolts should be a tag,on this tag
you will be able to see the ratio and if its a traction lock axle. I will
put in a page in my gallery, it shows all the different axels.
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post #6 of 6 (permalink) Old 01-17-2008
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rear axles

I can not uppload my page the browser does not accept the format
If you want a copy just give me your e mail adress
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