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Changing diff fluid on 2001 sport

Discussion in 'Stock 1995 - 2001 Explorers' started by jimbo231, June 22, 2011.

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    1. jimbo231

      jimbo231 Active Member

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      I have a 2001 Explorer sport and wanted to change my fluid in the rear end. In my manual it says some rear ends take synthetic that never needs changing. How can I tell what diff i have and what fluid it takes?
       
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    3. Darrman

      Darrman Active Member

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      Get the axle code off of the door sticker, do a search for axle codes and compare to find what kind of carrier you have. If you have a limited slip then you have the synthetic that has additives for the clutches in the limited slip.
      However if it says you have a open style carrier then you have standard heavy weight gear oil. You will have to look up what weight oil to use. I think you can use synthetic on a open as well to maybe get longer life out of it.
      Synthetic or not its good to change the oil every 100,000 miles, or if you drive through high water. I had a broken vent tube on my '01 sport that was letting water and dirt get in.
       
    4. IZwack

      IZwack Moderator Emeritus

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      Unless you plan to open the differential every year or two, just go with synthetic :thumbsup:
       
    5. jimbo231

      jimbo231 Active Member

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      It's code 46 which is a 3:73 open. I would use synthetic but not if I don't have to. I haven't worked in a while and I'll probably sell it before it's time to change it again. Would this rear end only require standard fluid?
       
    6. jimbo231

      jimbo231 Active Member

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      I just took it somewhere to get changed since I found out it was non synthetic in it. The didn't use a gasket when they put it back together, they used the stuff in a tube. Just wondered if they should have used a rubber or cork gasket instead?
       
    7. drdoom

      drdoom Well-Known Member

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      I believe the silicone sealant is standard.
       
      Last edited: June 28, 2011
    8. Paraphoe

      Paraphoe Go big or go home Elite Explorer

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      Probably that RTV liquid gasket stuff. You're fine.
       
    9. bobflood

      bobflood Elite Explorer

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      No gasket; uses RTV instead. Your OK.
       

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