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August 14, 2019 Service bulletin

Structure: frame and members

Chevrolet technical service bulletin PIT4601A for 2006-2009 Chevrolet Trailblazer, 2006-2009 GMC Envoy and 2006 GMC Envoy XL and others.

Bulletin number
PIT4601A
Component
Structure: frame and members
Summary
This Preliminary information communicates a Wind Whistle Noise From Front Of the Vehicle at Speeds Above 55 mph

Owners of these vehicles have filed 71 complaints in the body category.

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