Bulletin Information

Bulletin Title: #21-NA-101 - Howl, Hoot or Whistle Type Noise when Driving in Crosswinds - (Jul 1, 2021)
Bulletin Type: Technical
Applies To: Air/Wind Noise / Bolted Exterior Body Panels and Closures

#21-NA-101 - Howl, Hoot or Whistle Type Noise when Driving in Crosswinds - (Jul 1, 2021)

Subject:
Howl, Hoot or Whistle Type Noise when Driving in Crosswinds
...

Brand:

Model:

Model Year:

Build Breakpoint Date:

Engine:

Transmission:

from

to

from

to

Chevrolet

Silverado 1500 (Crew and Extended Cabs Only)

2020

2021

SOP

December 20, 2020

All

All

GMC

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Document Tags

Document Title: #21-NA-101 - Howl, Hoot or Whistle Type Noise when Driving in Crosswinds - (Jul 1, 2021)

noise

model

crew

extended

cabs

condition

vehicle

door

seals

verify

specifications

replace

weatherstrip

information

coverage

labor

operation

extended cabs only