Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator on Cadillac Seville SLS

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

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Average mileage: 112,455 (37,000–217,089)
11 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000, 2001, 2002, 2003, 2004
49 people reported this problem
22 people shared problem details
Right side cool, left side hot on AC. Actuator door not working. If this so common why isn't it a recall?
17 people like thisFlag inappropiate
Air will not blow from the front vents . but it will blow air from the rear vents.
13 people like thisFlag inappropiate
Hot air blowing out from vents..all 4 front. Took to a mechanic he charged system. Still blowing hot. Said there was a leak in line behind dash. Got it back. 2 passenger vents cold, drivers side still hot. They said they can't figure out what's wrong. Taking it to Cadillac. I'm sure it's the Actuators as most state.
6 people like thisFlag inappropiate
Airflow stays to face, and will not switch to defrost
4 people like thisFlag inappropiate
A/C vents on driver's side of dash have no air flow. OK on passenger side
3 people like thisFlag inappropiate
Passenger side blows heat only, even when AC is on.
3 people like thisFlag inappropiate
heat blows out back seat vents but VERY little in the front
3 people like thisFlag inappropiate
not fixed yet...blows hot air driver side, now, no air at all from ac dash vents. Recharged, blew cold for 1 hour, then back to the same. Time to take to a reputable shop.
3 people like thisFlag inappropiate
Ac works sometimes. Mostly not working.
2 people like thisFlag inappropiate
First my driver side started blowing hot air then the rest of the car is blowing hot air.
1 person likes thisFlag inappropiate
cold air comes out of back vents but not front
Driver's side blows hot air while on AC. Passenger side if fine.
hot drivers side cool pass. side
Right side blows heat all the time, even with AC on. Left side blows cool almost all the time but will eventually heat up. Not fixed
ac blowes hot air on drivers side and cold air on passenger side
Passenger side blows heat when the AC is on. Driver's side is fine.
A/C vents on driver's side of dash have no air flow. OK on passenger side
Right side vents blow cold...left side hot air...help
Blows hot on the drivers side and cool on the passenger side
CHANGED OUT AC PROGRAMER WORKED FOR A WHILE THEN FAILED AGAIN,NOW I USE DEFROSTERS FOR HEAT AND COLD. TO MUCH TROUBLE TO REPLACE THE PARTS IN THE CENTER CONSOLE
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