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  1. M

    2004 Denali Xl Towing?

    Pulled the trigger on the tru cool 40k cooler. Got it without the external thermal bypass. Has anyone run this on our trucks?
  2. M

    2004 Denali Xl Towing?

    What's the best fluid to run in the tranny? Best to use whatever came stock? I'm unsure what was used in it before
  3. M

    2004 Denali Xl Towing?

    What size btu cooler should I look for? I saw B&m has some coolers but all different sizes and btu
  4. M

    2004 Denali Xl Towing?

    I do plan on towing. I'm getting a 24ft enclosed this winter hopefully. I just am unsure which cooler to get and what rating to get. Does the fan really help? Do you have it on a switch?
  5. M

    2004 Denali Xl Towing?

    Will any aftermarket one around that size work?
  6. M

    2004 Denali Xl Towing?

    What is the largest cooler these trucks can fit?
  7. M

    2004 Denali Xl Towing?

    Hey guys, i have a 2004 Yukon denali xl with the 6.0. I was towing my car on the trailer today and saw trans temps of around 217-220. I have a bullydog tuner that i could put into tow mode but we also have the button on the shifter. Previous owner has a towing shit kit installed that has a...
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