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I have never added or changed fluid in my transfer case....

Discussion in 'General Chevy & GM Tech Questions' started by bimmer84, Jun 8, 2011.

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  1. bimmer84

    bimmer84 Member

    ..so I now need to add some after leaking some out the back of it while changing the U-joints. What came out was pink in color. I expected gear lube in a transfer case but this looked like ATF.

    What fluid should be used?
     
  2. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    Its is ATF. I use Mobil 1 synthetic ATF fluid.

    ---------- Post added at 04:06 PM ---------- Previous post was at 04:04 PM ----------

    The newer transfer cases use the AutoTrac ll fluid.
     
  3. bimmer84

    bimmer84 Member

    Thank you sir.
     
  4. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts



    What he said.

    At least you had some leak out. These cases are often neglected till they are dry.
     
  5. bimmer84

    bimmer84 Member

    I lucked out. I don't know if it was serviced before I bought it a 97k miles, but it now has 207k and this is the first time I looked at it.

    It is a 95 suburban, so I assume a standard GM ATF is indicated, unless I switch it to synthetic?
     
  6. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    I use the synthetic in the 'Burb because you do have a tendency to forget about the transfer case.
     
  7. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    If it lasted that long, it was probably synthetic. Conventional Dino ATF has a problem with "misting off". One of the reasons GM changed the fluid spec to synthetic.
     

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