Forum Discussion

wayfun's avatar
wayfun
Explorer
Oct 14, 2014

Holding in lower gear vs letting tow-haul mode shift

I tow with a 6 speed, 6.2L Tahoe. I usually tow around 55 to 60 mph. With the transmission in tow mode it is locked out of 6th gear and it generally stays in 4th and 5th gears on the highway. At 58...
Tow Vehicles
brulaz's avatar
brulaz
Explorer
Oct 14, 2014
Buck50HD wrote:

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Also, the converter is usually unlocked at slower speeds, less than about 40MPH so that's also when heat can build quickly. Combine that with low airflow and that's when you can fry a trans.
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Even in Tow/Haul mode?

When loaded I always use tow/haul unless it's hunting, primarily to keep the converter locked.

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