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GMC TSB #PIT4916D
2011 GMC Terrain
TSB Document:
Affected Component: EQUIPMENT
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have may a helicopter type noise when a rear window is lowered. This is a normal characteristic of this vehicle, but the concern can be minimized by lowering a front door glass approximately 1 to 2 inches.
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