HVAC Mode/Temperature Door Actuators May Fail on Buick Park Avenue

The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.

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Average mileage: 127,948 (38,000–287,000)
14 model years affected: 1992, 1993, 1994, 1995, more1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
130 people reported this problem
70 people shared problem details
Blows cold on passenger side, warm on drivers side
Air no longer works at dashboard, only windshield and maybe floor.
vents blow warm air for driver side, but not for passenger side; cold air when it should be warm from front defrost vents and from floor vents.
1998 Buick Park Avenue 6 cylinders 3.8 The A/C doesn't work properly. Cool air blows on driver's side and hot air blows on passenger's side. There is also like a clumping sound like opening and closing a vent that occurs when the car is turned on. Checked the freon and it is fine.
when heat on..cold air out of the passenger side
cold air coming from drivers side vent while heat is on
Temperature blend actuator on drivers side failed, and replaced. Easy DIY fix for a handy guy. Now the actuator that selects between windshield, mid, and floor is out. Frosty windshield sidelined the Buick for the day... Now I need to hunt down that actuator and fix that one too. - Grandma Car - 15years and only 35K miles - expect a few age-related problems...
cold air on drivers side when heat is turned on
Air conditioner works but air coming from vents is erratic.
no hot or cold air from middle vents
Cold air blows through driver side when the heater is on
When I turn the heater on it blows cold on passenger side and warm on the drivers side
no air flow to the dash vents
A/C doesn't blow from the front of the dash/Vents. Only to floor vents and to windshield vents or both but not forward towards passengers via dash vents.
Ac blows from defroster and floor but not in the middle...
A/C blows cold from passenger side vents, warm from driver's side.
only passenger side blows hot air
No heat on the driver side
I have a 2000 Buick Park Avenue blowing out cold air on the driver side when I turn the heat on and hot air on the passenger side could it be the blend door actuator and where is it located
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One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail...
Is it located under the hood on the firewall or inside the car??
how can i locate the door mode actuator?its blowing hot on the passengers side and cold on the...
the air flow only comes out defrost vent at the windshield or the floor

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