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Transmission swap


Bobbybucklew

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Location
West Virginia
Vehicle Year
2008
Make / Model
Ford explorer
Transmission
Automatic
I have a 2008 ford explorer with the 5r55s transmission and lost reverse. A friend has a 1999 Ford explorer with a 5r55e transmission. Will it be compatible with my 2008?
 


RonD

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canada
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Manual
No, as far as I know the electrical connections are different, and not just re-wiring, 1999 would be missing 1 or 2 needed sensors

You will need to find another 5R55S
 

Otis413

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Cass, WVa
Vehicle Year
2004
Make / Model
Ford
Engine Size
4.0 SOHC
Transmission
Automatic
If you're of a mechanical nature you might consider checking something; In my younger days I used to rebuild my own auto transmissions, on the C4 the big adjustment bolt sticking out the side w locknut (I'v seen something very similar on the 5R55) was for the low / reverse band (clutch) I once got one that had no reverse and wouldn't "hold back" in Low (1st gear position) turned out due to wear the band had loosened enough for the linkage to fall out of place. I took off the oil pan and maybe the valve body, I think, (it's been a while) loosened the adjustment and put everything back in place, readjusted and it worked fine.
I'v never worked on the 5R55 trans but if you're replacing it anyway you won't be out anything by trying...
 

North Idaho 5.oh

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The 5r55s also have a different bolt pattern for the transfer case as well.
 

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