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
time2roll's avatar
time2roll
Nomad
Oct 14, 2014
wayfun wrote:
In 4th gear the truck doesn't struggle at all on significant hills. When holding it in 4th the tow/haul mode is still engaged. Would the torque converter be locked at those times?

Dennis
Generally yes the TC will be locked. It may unlock if looking for 3rd gear but if steady in 4th you should be fine.

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