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2008 Denali XL
I have a 2008 GMC Denali XL Full Time AWD. I am concerned about the transmission temperature when towing as well as the expected mileage. I am not shocked that the mileage is low - about 9.5MPG when towing - but the Transmission temperature scares me. It fluctuates from 180-210 when towing -...- Coyneman1
- Thread
- 2008
- Replies: 5
- Forum: Towing Rigs