Air flow from A/C

2005 CADILLAC DEVILLE
120,000 MILES • 4.6L • V8 • 2WD • AUTOMATIC
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HONKYTONK
  • MEMBER
  • 1 POST
I had a noise coming from an the upper actuator on the drivers side, I replaced the actuator and reset the HVAC . Now the air flow on the drivers side is not as strong as the air flow from the passengers side. If I take it out of auto and direct the air flow to the floor the air flow comes out strong through the upper drivers side vent.
Dec 1, 2017 at 1:38 AM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,384 POSTS
It sounds like the cams for the mode doors were in the wrong positions when the actuator was replaced or one of them has broken. Attached is a picture of the position of the cams for installation of the mode control for the left side. The temperature actuator is removed to show the cam positions.
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Dec 1, 2017 at 10:12 AM
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