Quote:
Originally Posted by Rocko9999
Same sound regardless of hvac. Maybe some automatic brake applying actuation for push start? Not sure.
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Turn on your A/C on and let it run for a few seconds as you cycle through each of the hvac zones (Defrost, feet, head etc.) If you hear that sound or similar repeating it may be a bad blend door.
I have heard similar sounds with a friend's vehicle that had a damaged gear on the blend door. The blend door motor, sensors and Hvac system were not happy and the zones did not cycle through correctly on the passenger side of the vehicle.
I could be totally wrong. Just a hunch.