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3rd gen transmission/transfer case AWD

Discussion in 'Transmissions & Transfer Cases' started by Dubya Deuce, January 10, 2009.

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  1. Dubya Deuce

    Dubya Deuce New Member

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    City, State:
    Muskegon, MI
    Year, Model & Trim Level:
    '04 Mercury Mountanieer
    I have an '04 Mountaineer with a bad viscous coupling in the transfer case. I need to replace the case, but I'm having a difficult time finding one. According to Chiltons, the tranny is an A340f and I think the t case is a 4410. Is this correct? What else has this same transmission? I think some Toyota's. I would like to make it part time 4x4 if possible. I would like to find a t case that fits, and either make it manual shift, or figure out how the encoder on the shift motor works so I can shift it electronically, bypassing the computer. has anyone done this? Are there any electronics experts that can tell me how to utilize the encoder without the computer?

    thanks,
    Mike
     
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  3. jrford

    jrford Well-Known Member

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    Your '04 mounty might be the same as my '04 Ex, i have the V8, Class II hitch.
    That gives me a Borg Warner 4410 and a 5r55s transmission.
    How many miles?
    It might be easier to rebuild it. Kits run about ~150 and the viscous coupler is ~400 + labor. . . . .
    Or junkyard?
     
  4. gijoecam

    gijoecam Village Idiot Elite Explorer

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    Back the truck up here... First things first... You should have a 5R55S transmission. I doubt there are any other manufacturers using a Ford transmission... I'd be surprised.

    Second, the transfer case *should* be a Borg-Warner 44-06 if my memory serves.

    As for t-case swaps: No idea. I'm not sure if they retained the bolt pattern on the 5R55S trans from the earlier 5R55E trans or not. You *might* be able to swap in one from an Expedition or F-150 of a similar vintage, but I doubt it... Those were meant to bolt up to a 4R100 or 4R70W trans... very different parts if my memory serves... If a full-size case won't work, the 13-54 oout of a 91-94 Explorer may work, or the 13-54 manual case out of a later-model Ranger (around '02) may work as well.

    Good luck!
     
  5. guitarfrk741

    guitarfrk741 Active Member

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    if its a 3rd gen awd he has the bw4411 (the 4410 is the auto4wd tcase)
     
  6. gijoecam

    gijoecam Village Idiot Elite Explorer

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    LOL! Indeed... Brain fart on that one... Yes, the 44-10 is the Auto4wd case on the third gens, and the 44-11 is the AWD case on the 3rd gens. The VC should be available as an independent unit, but they aren't a common failure item on those, unless they're abused in some way (e.g. running different sized tires, etc.)

    -Joe
     
  7. Dubya Deuce

    Dubya Deuce New Member

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    City, State:
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    '04 Mercury Mountanieer
    I have checked into pricing for the viscous coupling and it's cheaper (through the same supplier even) to buy the whole case than just the VC. I will probably end up buying something online because the AWD case is very difficult to find locally. This is one reason I would like to find what else fits. I would also just like to have 4x4 when I need it.
     
  8. jrford

    jrford Well-Known Member

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    Year, Model & Trim Level:
    '10 Sport Trac
    What price did you get?
    I just had a jeep xfr case rebuilt for $650, NV242, mind you there is no viscous clutch - my guess would be about $1k ?????
     

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