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-   -   What function does this part do? (https://67-72chevytrucks.com/vboard/showthread.php?t=844550)

brandster 05-15-2023 04:17 PM

What function does this part do?
 
1 Attachment(s)
What function does the circled part in the picture do?

Stocker 05-15-2023 05:25 PM

Re: What function does this part do?
 
Works with the HVAC controls to open / close the cowl damper. The dashpot is controlled by vacuum. The shaft going into the cowl at the top of your circled area connects to the damper that's inside the cowl.

425HP409 05-15-2023 06:06 PM

Re: What function does this part do?
 
The door controls whether the AC is using outside air or inside air.

brandster 05-15-2023 08:45 PM

Re: What function does this part do?
 
Good, thanks for the help!


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