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Old Feb 4, 2008 | 09:14 PM
  #1  
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Transmissions

I think that i need to get a new transmission for my truck and i started lookin on the iinternet for trannys and i found a Ford 4R70W Transmission. and i was just wondering if that was a replacement 1999 Ford F-150 4.6L Auto Tranny 4X4. I just wasnt sure what the trannys were called in these trucks any help would be great. Thanks.
 
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Old Feb 4, 2008 | 09:18 PM
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Yep,thats the one. As long as its the rite year.
 
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Old Feb 4, 2008 | 09:43 PM
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Actually the 99 came with both the 4R70W and the other "100" tranny. You have to check the transmission code on your door sticker to be sure.
 
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Old Feb 5, 2008 | 08:18 AM
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Generally, the 4R70W was mated with the 4.6 and the 4R100 with the 5.4. However, this was not a hard and fast rule.

Therefore, you need to check the door label and look up the TRAN code.

Also, the 4 X4 and 4 X2 transmissions are not interchangeable.

Beware of inexpensive rebuilt trannys. You get what you pay for.

Steve
 
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Old Feb 5, 2008 | 12:36 PM
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I think that my tranny code is U? im not sure tho can anynody show me where to go to check out my whole VIN code. the rebuilt tranny that i was lookin at had a 14 month/ 14000 mile warranty for $900. I'm in college right now so i dont really have time to rebuilt a tranny so i thought this one might be able to work any help would be great Thanks.
 
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Old Feb 5, 2008 | 08:11 PM
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Trans code "U" is the 4R70W. "E" is for the E40D which later became the 4R100.
 
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Old Feb 5, 2008 | 09:53 PM
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Very Few F150's have the 4R100 except the Lightnings and 7700 payload package.
There are some, but not many. The 4R70W is a good tranny.
 
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Old Feb 6, 2008 | 11:24 AM
  #8  
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thanks for all the help guys!
 
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