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Clicking Behind Glove Box/vent

ridevryday

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ridevryday Enthusiast

ridevryday

Posted
Posted

Recently my truck started to have a constant clicking sound (like a relay). So I pulled apart the dash, removed the glove box etc.. Then removed the vent and found a plastic box with a bar code on top of it that was creating the sound. If I push on it or unplug it the clicking stops.

I was hoping someone would know what this box controlled.

Thanks in advance

ridevryday Enthusiast

ridevryday

Posted
  • Author
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It is a constant click. Sometimes click when I turn the ignition on sometimes not. But almost always when I start the truck. Unless its unplugged. It drives me crazy. So yesterday I left it unplugged to see what it controlled and have not noticed anythng yet.

red29 Enthusiast

red29

Posted
Posted

All

 

i have a 2003 Tahoe that makes the same clicking sound behind the dash, however i found out if you move the air control switch 1 click to the right meaning the control that moves the air valves from front air flow to mid to floor, the clicking would stop. i think its the flap or air control that is loose or defective that controls air coming from the ac unit.

 

hope this helps

 

Red29

ridevryday Enthusiast

ridevryday

Posted
  • Author
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Mine does it even without the air on or even the vent fans on. But I'll give it a try and see if I notice anything.

Thanks

CapitalTruck Senior Enthusiast

CapitalTruck

Posted
Posted

It's one of the little control motors ("actuators') for one of the HVAC control doors. Mine went bad for the heat/cool blend door. They popped a new actuator in and it fixed it.

Vortec-Z71 Enthusiast

Vortec-Z71

Posted
Posted

I have a clicking noise coming from the passenger side air vent when I have the A/C on. The tick changes with the fan speed. Anybody know what it is or how hard it is to fix?

brianridesbikes New Member

brianridesbikes

Posted
Posted
I have a clicking noise coming from the passenger side air vent when I have the A/C on. The tick changes with the fan speed. Anybody know what it is or how hard it is to fix?

 

Sounds like you have a leaf stuck in the fan. I don't know how to get to it, I'm sure someone else on here knows how.

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