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I cannot switch to all dash vents?

Tiny
JERI SCHULTZ
  • MEMBER
  • 2016 CHEVROLET SILVERADO
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 86,000 MILES
More flows out the floor vents, I'd say 75% floor and 25% dash, when I switch between dash and floor/dash blend nothing changes.

I found the hot/cold blend actuator but cannot find the one I am referring to.
Thursday, July 27th, 2023 AT 12:00 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
Hi,

I believe you are referring to the mode door actuator. It is responsible for airflow direction.

If you look below, I attached the directions for replacing it. Once you replace it, it will require calibration. The last two pics are the directions for doing it. Note that pic 3 is if you have a scan tool to recalibrate. If you don't, go to pic 4.

Let me know if this helps.

Take care,

Joe

See pics below.
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Thursday, July 27th, 2023 AT 10:52 PM

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