Wind noise

[JohnH4260]

GM Service Bulletin 20-NA-035 below.

 

https://static.nhtsa.gov/odi/tsbs/2020/MC-10174280-9999.pdf

[steelcity]

11 hours ago, JohnH4260 said:

GM Service Bulletin 20-NA-035 below.

 

https://static.nhtsa.gov/odi/tsbs/2020/MC-10174280-9999.pdf

That's for a 3/4 and 1 ton trucks.

[Rick Rodriguez]

I have some wind noise coming from the upper RH side of my windshield. It sounds like a howling.

Edited April 9, 2021 by Rick Rodriguez
Not enough info

[Garrett Haight]

Noticed wind noise in my 2020 SLT yesterday, haven’t tried any tricks mentioned on here but man is it noticeable. My relative has the same truck except diesel, and his does it too. 

[Garrett Haight]

It’s constant and doesn’t matter speed or whether AC is on/off. Has any one found a fix yet? Truck is fantastic regardless.

[Garrett Haight]

Anyone found a fix? 

[scott flowers]

Yes. My 2021 trail boss has a very aggravating wind noise! It’s sounds to be around the driver and passenger windows, going in to dealership AGAIN tomorrow! Just another problem since the truck was new! Hope the solve issues, I’ll let you know.

[TNTSilverado]

I just got my back today. Mine was the mirrors. They replaced one of the end caps and it wasn’t mounted properly and it creates a howling sound. They snapped it back into place and it’s quiet again. Have them look at the mirrors.