Tapping under passenger side dash.

1992 CHEVROLET SILVERADO
205,000 MILES
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CIPRIMM23
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  • 40 POSTS
Tapping noise coming from passenger side dash. It happens when turning the truck on, off, and when I turn the heat/ac on or off. It lasts for about 5-10 seconds and stops. I have already replaced the recirculation fan/motor.
Feb 6, 2012 at 6:00 AM
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RIVERMIKERAT
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Let the mouse out.

You've probably got something stuck in one of the blend doors inside the airbox.
Feb 6, 2012 at 6:32 AM
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CIPRIMM23
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  • 40 POSTS
How do I get rid of it. Its been going on for almost a year now.
Feb 6, 2012 at 3:56 PM
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RIVERMIKERAT
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Open the airbox and see where the problem is. Here is an exploded view of the airbox and what's in it.
Feb 6, 2012 at 6:20 PM