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2007 XLT V8 4WD transfer case fluid to refill with?

Thread in 'Maintenance / Service' started by OLE442, Jun 2, 2019.

  1. OLE442

    OLE442 Well-Known Member 2nd Gen Owner V8 Engine

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    Today I checked the transfer case fluid and it's low with the car at temp but not running. Should I have the motor running or not to check the transfer case level? Most info I see online appears to check it not running. The manual said to use Motorcraft MERCON Multi-purpose ATF. Couldn't find that at stores but O'Reilly's said to use the Valvoline DEX/MERCON ATF fluid?
    What is your experience/suggestion.

    I'm trying to do more servicing my cars since I have the two post lift but some things I have no previous experience with! I hate to eff anything up trying to maintain things.

    Info appreciated,
    OLE442
     
  2. EddieS'04

    EddieS'04 Well-Known Member 1st Gen Owner 2 Wheel Drive V6 Engine

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    That is the only brand O'Reillys sells, in my town. Motorcraft is getting hard to find on local shelves.
     
  3. OLE442

    OLE442 Well-Known Member 2nd Gen Owner V8 Engine

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    Would the Valvoline DEX/MERCON be the equivalent to Motorcraft MERCON Multi-purpose ATF that is specified in the owners manual? Really don't want to eff anything up on my low mile ST since I'm retired, I can't take big dollar hit as easy as I used to.
    Also, should the transfer case level be checked with the engine running and in park like the transmission? Can't seem to find a definite on this question. My brother has owned GM 4WD's but says they used gear oil (he said he checked his GM TC's cold and not running)so I don't want to use what he says since FORD vs old GM logic might not apply here.
     
  4. EddieS'04

    EddieS'04 Well-Known Member 1st Gen Owner 2 Wheel Drive V6 Engine

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    I dont have a 4x4, but. I would think the level should be checked, on level ground motor off. If the gears are turning you might not get the true level. A transfer case is not the same, as an auto-trans. I would say it is a gear box.
    Also I wouldnt use a multi-atf fluid. I would stick with the book version of mercon, what ever brand it is. JMO
     
  5. OLE442

    OLE442 Well-Known Member 2nd Gen Owner V8 Engine

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    Thanks Eddie.

    I actually called the service dept at the dealer I bought it from and asked for the Motorcraft MERCON Multi-purpose ATF and they said it was replaced with Motorcraft Part # XT10QLVC, which is Motorcraft MERCON LV ATF.

    So, I bought 2 quarts and drained all the old out and added the new ATF (I 1/2 qts) to the transfer case. It filled a bit over the lip of the fill hole....I waited till it dripped a bit off and put the plug back in.

    Checked everything and then set it down off the lift and took it for a drive. All seemed well so I'll be driving it a lot the next couple weeks.

    Take care,
    Gary
     
  6. OLE442

    OLE442 Well-Known Member 2nd Gen Owner V8 Engine

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    Eddie:

    I don't hang out here as much as I did a few years ago but it's nice to know guys like you and Todd Z are ready and willing to try to help out! Just like the old days.

    Later,
    OLE442
     
    Last edited: Jun 4, 2019
    swshawaii likes this.
  7. EddieS'04

    EddieS'04 Well-Known Member 1st Gen Owner 2 Wheel Drive V6 Engine

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    Gary, We lost alot folks that used to be on the old board. Including helpful folks, that no longer had their Trac's.
    We used to have a good off topic, and got alot of answers to many issues. Not related to Tracs.
     
  8. Todd Z

    Todd Z Well-Known Member 2nd Gen Owner V6 Engine V8 Engine

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    I answered through your PM to me........
     
  9. Jon OData

    Jon OData Well-Known Member 2nd Gen Owner 4 Wheel Drive V6 Engine

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    I used Mobil 1 ATF in the transfer case for years although the last time I saw Valvoline synthetic transfer case fluid so I used that. Change every 30k.
     

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