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TSB Document:

Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

Summary
In some operating statuses, a low-frequency (approx. 140 Hz) humming noise may be heard in the air conditioner housing. The air flow may be causing the seals of the flaps in the air distributor housing to vibrate. The air distribution box must be replaced.

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Date Published
JUN 16, 2020
NHTSA TSB #
10177556
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