Sierra 1500 4WD V8-4.8L (2007)
Speaker: All Technical Service Bulletins
07-08-44-013A - END OF NEED FOR INFORMATION
ENGINEERING INFORMATION
Bulletin No.: 07-08-44-013A
Date: July 16, 2009
Subject: EI07199 - Radio Speaker Buzz Noise (Engineering Information Closed)
Models:
2007 Chevrolet Silverado
2007 GMC Sierra
Supercede:
This bulletin is being revised to end the need for information from the field. Please discard Corporate Bulletin Number 07-08-44-013 (Section 08 - Body
and Accessories).
GM Engineering investigated vehicles with your assistance in the field, but did not identify a single point issue (root cause) for this condition. Due to this
cooperation, engineering is satisfied with the data collected and requires no further response. Please refer to SI and use the established diagnostic
information to correct the customer concern.
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