Air Temperature Control Issue
This service bulletin addresses an issue where the air temperature from the air conditioner will not change with the air temperature control knob, accompanied by a rattle noise from behind the dashboard.
Cause
The temperature control link being pulled out of the HVAC housing is the suspected cause of this concern.
Repair Procedure
Verify customer concern and check if the MIX LINK is properly connected to the MIX DOOR CRANK. If detached, replace the MIX LINK with a modified one for Japan built vehicles or replace the AC unit for Mexico built vehicles.
Refer to MS3 online or the Workshop Manual for detailed instructions and troubleshooting.
Manual:
Download: Service Bulletin 07-003/16: 2014-2016 Mazda3 Air Temperature Control Issue
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