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jlrosine's avatar
jlrosine
Explorer
Jun 29, 2017

2005 Yukon XL Denali tranny whine while towing/braking?

Hi all. Yesterday I gave my 2005 Yukon XL Denali a pretty heavy tow test, and it maybe failed a little but maybe not? I'm trying to figure out if anyone else experiences this with their GMC trucks wit...
Tow Vehicles
mkirsch's avatar
mkirsch
Nomad II
Jun 29, 2017
The truck is 12 years old and has a significant amount of mileage on it. It's not inconceivable that the transmission might need some help just from normal wear and tear, and the extra stress of this rather light tow might be bringing it to light.

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