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Old Oct 12, 2005 | 07:29 PM
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91 XLt 4x4
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5th Wheeling
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1988 / 89 tranny door code

Can anyone tell me what tranny door code "F" is on a 88 or 89 f150 , is it for the T-18?
 
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Old Oct 13, 2005 | 05:43 PM
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F150xlt
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I can tell you in 88 the following transmission codes were used for the full size pickups.

M Mazda M5OD
Z ZF Close ratio used on Diesel. Wide ratio used for Gas engines
K Automatic C6
T Automatic AOD
 
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Old Oct 13, 2005 | 05:59 PM
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91 XLt 4x4
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5th Wheeling
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Thanks for the reply,i can use that info since im going to be heading back up to the junkyard tomorrow figure out what kind of tcase the 88 has on it & i might just wander around again and see if there is a z or k 4x4 there while im at it.
 
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Old Oct 13, 2005 | 07:01 PM
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F150xlt
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The 88 F series used a Borg Warner 13-56 Transfer Case.
There were three versions.
Manual version for F150, F250, F350 and Bronco.
Electronic shift version used on some Bronco's.
Also some of the F350's had the PTO version.
 
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Old Oct 13, 2005 | 09:11 PM
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5th Wheeling
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Well thats not good news on the transfer case,im 100% sure its not a 1356 for sure , i have 2 of those here. Check out the "book" of questions i have on the other board if you have a second <a href="https://www.ford-trucks.com/forums/archive/index.php/t-419836-AOD%20to%20T18%20swap%2Canyone%20done%20it%3F">AOD to T18 swap,anyone done it?</a>
 
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