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Anyone know the issue?

Ccrawls

By Ccrawls
in Troubleshooting & Recalls

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Ccrawls New Member

Ccrawls

Posted
Posted

I bought my 2015 GMC Sierra all terrain in August and I switched over to winter tires early December and on a stormy day I switched into 4 wheel drive anyways it got stuck in 4wd which I believe was a recall anyways I drove around for 2 weeks with it stuck I couldn't get in any sooner anyways that problem is fixed but now anytime I go over 100 km/h my truck shakes steering wheel/tires anyone know the issue ? Tires no balanced correctly ? Or was driving around with 4wd having to do it with? It wasn't like it before I switched tires over and or had the 4wd issue

Zachlovesfood Enthusiast

Zachlovesfood

Posted
Posted

My truck had vibration issues and wasn't hitting bumps very nicely. After trial and error trying to fix it, finally found the stock u-bolts were assembled below torque spec. Got a torque wrench and cranked them up to 135 ft. lbs. and my problem was solved. Checking them couldn't hurt. Hope it helps.

morrislee Enthusiast

morrislee

Posted
Posted

I bought my 2015 GMC Sierra all terrain in August and I switched over to winter tires early December and on a stormy day I switched into 4 wheel drive anyways it got stuck in 4wd which I believe was a recall anyways I drove around for 2 weeks with it stuck I couldn't get in any sooner anyways that problem is fixed but now anytime I go over 100 km/h my truck shakes steering wheel/tires anyone know the issue ? Tires no balanced correctly ? Or was driving around with 4wd having to do it with? It wasn't like it before I switched tires over and or had the 4wd issue

I have bad vibration until I realize the factory tire pressure spec is too low. I have it at 39 psi at warm, around 270kpa. This seems to solve my vibration at 120KM/h

 

I think the tire pressure on the ground is different than when the truck is on the rack with 4 wheels hanging which may have been what they clain the pressure to be at state.

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