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anw7405's avatar
anw7405
Explorer
Sep 09, 2016

I need 3 rows of seats and more towing power....

I'm just looking for ideas at this point. I had a 2000 suburban with 3.73 gears and the 5.3 and it was not enough to pull my travel trailer good. I broke down and got a 2007 6.2 denali with a 3.42 r...
Tow Vehicles
anw7405's avatar
anw7405
Explorer
Sep 10, 2016
APT wrote:
I would have a mechanic check out why the overheating engine/trans. I would also flush all the fluids. That combo should have no problems.

Are you using tow/haul mode trans mode? Do you lock out 6tyh gear? (M5, maybe M4)


I tried tow haul. I tried no tow haul. I tried manual. 6 th gear is out of the question. It seemed like it needed one more gear between 4 th and 5th.

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