TSB Document:

• MC-10120167-9999.pdf

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR

Summary

Technical Bulletin (Whistle Noise from Center Vent Area; Blower Set On 3 or 4 with Full Heat Selected): Customer may hear a high pitched whistle when the Climatic temperature knob is on full heat and the blower is set to either 3 or 4. The temperature flaps allow air to escape past the temperature flap seal. The production solution for this issue was Introduction of improved air distribution unit.

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