Loud clicking noise from passenger side glove box

1995 GMC C1500
250,000 MILES
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RAULBURNINGMAN
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Noise is constant regardless of fan being on or off or heater or air on.

it is loud (two tones) enough to make it to annoying to drive.
Jun 12, 2019 at 4:14 PM
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ASEMASTER6371
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Good evening,

Can you post a video of the noise so I can hear what you hear?

Roy
Jun 12, 2019 at 4:33 PM
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RAULBURNINGMAN
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Does this help?
Videos (Click to enlarge)
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Jun 12, 2019 at 4:57 PM
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ASEMASTER6371
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Okay, is that coming from behind the glove box?

Have you tried to feel under the dash to see what is making the noise?

Roy
Jun 12, 2019 at 5:00 PM
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RAULBURNINGMAN
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I understand there is a heater door actuator behind the glove box that fails.
But I believe there are two such actuators. One for the direction of heat and one for mixing hot and cold air. My truck changes air flow from defrost to floor to dash.
Jun 12, 2019 at 5:03 PM
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ASEMASTER6371
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I was thinking that but that is very loud for the actuator.

I attached a picture of the actuator. Unplug the actuator and see if the noise stops.


Roy
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Jun 12, 2019 at 5:10 PM