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November 22, 2010 Service bulletin

Navistar: a chirping sound from the HVAC blower when the ignition key is first turned on

International technical service bulletin AFC-10920 for 2011 International 4300, 2011 International 4400 and 2011 International 7400 and others.

Bulletin number
AFC-10920
Component
Unknown or other
Summary
Navistar: a chirping sound from the HVAC blower when the ignition key is first turned on. Temporary loss of the blower speed control when the vehicle is started in cold weather. Rm

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