TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 000138003A.

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Summary

VEHICLES MAY EXPERIENCE POPPING SOUND HEARD UNDERNEATH INSTRUMENT PANEL WHEN SWITCHING FROM DEFROST TO HEAT OR FROM A/C TO DEFROST. *JB

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