Problem Reports
Cadillac Seville STS
Report: Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail
Cadillac Seville STS Problem
Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
Average Mileage: 122,709 mi (78,000 mi - 195,000 mi)
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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Report #1BJAandSons, 1999 Cadillac Seville STS, 113,645 mi
Rookieair blows warm on drivers side @100 degrees and pass side @70 deg. Code left was B1343,(air inlet door movement fault). I haven't fixed it yet.I don't know where the door is.Please advise.
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Report #2Visitor, 1999 Cadillac Seville STS, 78,000 mi
The Heating system works good on the drivers side but the passenger side dose not blow hot air.a/c works fine for both sides diver.passenger. It's just the heating problem how do I fix or what is the cause thank tom
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Report #3Visitor, 1996 Cadillac Seville STS, 135,572 mi
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Report #4jvega84, 1999 Cadillac Seville STS, 100,000 mi
RookieNo cold air comes out of the driver side vents
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Report #5legalbulldog, 1998 Cadillac Seville STS, 110,000 mi
RookieHot air from drivers side vents. Where is the actuator located?
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Report #6Visitor, 2000 Cadillac Seville STS, 195,000 mi
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Report #7jgib00001, 1999 Cadillac Seville STS, 135,000 mi
RookieCold only on drivers side, pass side feels like vent, no heat available anywhere in pass compartment....... all heat feels like vent
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Report #8Visitor, 1999 Cadillac Seville STS, 133,000 mi
Warm air flows on driver side cold air flows on passanger side. The air flow on floor on both sides is only cold. General airflow is restricted trough vents
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Report #9Visitor, 1994 Cadillac Seville STS, 161,000 mi
im not sure if this is the same or not i feel air from defroster but not the vents in in the dash my rear console blower doesnt come on but i can at times feel air blowing when car is in motion ,none of my blower motors come on except one time a week ago rear fan started to blow then it stoped any help where i should begin to look
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Report #10Visitor, 1999 Cadillac Seville STS, 126,000 mi
It began blowing heat on driver side air on passenger side at same time. Now both sides blow cold on heat.
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Report #11adamofwarmfield, 2000 Cadillac Seville STS, 85,000 mi
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Report #12Visitor, 1999 Cadillac Seville STS, 115,000 mi
Cold Air on Driver side, passenger and rear vents blow hot air
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Report #13cliffeck, 1999 Cadillac Seville STS, 108,000 mi
RookieNo airflow out of the dashboard air vents. The rear seat vents work and cold air comes out. How do I repair the front vents to get the air flow?
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