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Fluid Change time

Discussion in 'Chevy Trucks' started by searay220, Jun 28, 2012.

  1. searay220

    searay220 Senior Member
    Messages: 100

    I have 2006 GMC 2500HD 6.0L with close to 75k miles. Thinking it's time to change out the fluids. The front and rear diff,tranny and transfer case. I do plow in the winter and tow a good size boat all summer. So my question is what do you recomend for fluids as far as brand,weights and synth or not.:salute:
  2. thermo

    thermo Member
    from USA
    Messages: 30

    I just follow what the manual says. If its the nv246 transfer case(which im pretty sure it is), make sure to run autotrac 2.