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No air out of vents?

Tiny
ROBERT ST
  • MEMBER
  • 2014 BUICK VERANO
  • 2.4L
  • 4 CYL
  • AUTOMATIC
  • 106,000 MILES
Sometimes my A/C and heat works and sometimes it doesn't, but when it doesn't I still hear the motor working. When it does work the air blows out really good but when it doesn't nothing out of the vents?
Tuesday, July 7th, 2020 AT 7:42 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

The air flow direction is controlled by a mode control cam actuator. If it is failing, you will lose control of the air flow direction.

I attached a pic of what I am referring below. However, the pic is for manual A/C. I need to know if you have a manual climate control or automatic.

Let me know.

Joe
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Tuesday, July 7th, 2020 AT 8:07 PM
Tiny
ROBERT ST
  • MEMBER
  • 2 POSTS
It's automatic.
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Wednesday, July 8th, 2020 AT 8:08 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

Here are the directions for replacing the part. However, before purchasing one, remove the old one and confirm it isn't working.

The actual directions are in pic 2.

____________________________________

2014 Buick Verano L4-2.4L
Mode Control Cam Actuator Replacement
Vehicle Heating and Air Conditioning Air Door Actuator / Motor Service and Repair Removal and Replacement HVAC - Automatic Mode Control Cam Actuator Replacement
MODE CONTROL CAM ACTUATOR REPLACEMENT
Mode Control Cam Actuator Replacement

See pic 1

See pic 2
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Wednesday, July 8th, 2020 AT 9:13 PM

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