New 2021 Yukon 6.2l cabin noise

[vcode]

That would be at higher speed. This one stops at 65mph.

As I recall they were at low to medium speeds as well..................

 

[gat0r]

As I recall they were at low to medium speeds as well..................

yup.... 25-75mph range in the K2xx platform

GM never really figured it out... there were all kinds of things they tried.
guess the redesign & new chassis didnt fix it

 

[AutoAddict]

Ok thanks. Then it seems I am in a dead end. I’ll have to get rid of it.

 

[playoptions]

Get the wheels balanced again.

 

[AutoAddict]

Get the wheels balanced again.

At 15mph it’s not the balancing this I am sure.

 

[pwtr02ss]

At 15mph it’s not the balancing this I am sure.

I hope you get it figured out. Sadly, Im no help on this one. Please post if you figure it out

 

[AutoAddict]

I hope you get it figured out. Sadly, Im no help on this one. Please post if you figure it out

I won’t. Dealer says they don’t hear it so it’s a dead end as I am not going to spend the energy here. I’ll get rid of the car. A 100k POS. I am really p**sed.

 

[Brandon2489]

I won’t. Dealer says they don’t hear it so it’s a dead end as I am not going to spend the energy here. I’ll get rid of the car. A 100k POS. I am really p**sed.

 

[Brandon2489]

Looks like you all may have the same buffeting/helicopter noise. This person said it was due to cylinder deactivation. May want to look into what he used to disable things. Looks to be called a Pulstar lt maybe.

View attachment 354808

 

[AutoAddict]

Yep I’ve looked into this. When I put the engine into L5 and force all the cylinders to work it seems to be still there but I am not sure. Maybe I can try at a different dealer. This thing is complicated as some people other than at the dealership really do not hear it (e.g., my wife who I can trust).