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NP205 on 1970 Blazer

Discussion in 'The Garage' started by tweed1122, Jun 29, 2006.

  1. tweed1122

    tweed1122 Newbie

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    I have a NP205 transfer case in my 1970 blazer that is original. I can't find any information on it. Does anyone know if it take 80W gear oil and if so, how much of it.
     
  2. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    Id say yes to gear oil... and fill it till it comes out the fill tube.. that is what I do... :crazy:
     
  3. goldwing2000

    goldwing2000 Guest

    80W90 and i think it takes about 5.2 pints.

    But like Rootbreaker said, just fill until it comes out the fill hole.
     
  4. tweed1122

    tweed1122 Newbie

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    Thanks, I thought that's what I needed to do. there are two bolts one at the top and one at the bottom. I took the top one off and fluid came out and then more when I took the bottom one off. I was just a little confused when some came out of the top plug.
     
  5. goldwing2000

    goldwing2000 Guest

    There are three possibilities. Well, maybe four.

    Simplest: The vehicle may have been parked at an angle when you checked it.
    Or: If the fluid is hot, it will expand and cause the level to rise.
    Or: It may have been over-filled by the prior owner.
    Worst Case: You may be leaking fluid between your transmission and transfer case. Check the trans fluid level. If it's ok, then you're probably safe.
     

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