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Join Date: Aug 2018
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Hvac motor noise under dash

Hi all
I have a 97 986 and the hvac doesnít work. The climate control screens indicate what the control buttons are asking for, but nothing is physically happening. When you turn the ignition key to on, there is a constant sound like a blend door motor is trying to move a flapper door into position. Blower not running, nor is the Ac compressor (no clutch engagement sound). All fuses and relays are ok.
Any thoughts on what the problem might be?
Thanks
Old 09-01-2018, 06:49 AM
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One or more of the system blend doors is sticking or jammed. You are going to need to drop the system to investigate.
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Old 09-01-2018, 11:57 AM
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