Buick Park Avenue Problem Report

Buick Park Avenue HVAC Mode/Temperature Door Actuators May Fail

(99 reports)

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

Blows cold on passenger side, warm on drivers side -
Air no longer works at dashboard, only windshield and maybe floor. -
when heat on..cold air out of the passenger side -
COOL AIR ONT THE DRIVERS SIDE HOT AIR ON THE PASSENGER SIDE IS THIS CAUSED BY A SEND UNIT OR A ACTUATOR DOOR STUCK -
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. -
no hot or cold air from middle vents -
cold air on drivers side when heat is turned on -
Air conditioner works but air coming from vents is erratic. -
cold air coming from drivers side vent while heat is on -
Cold air blows through driver side when the heater is on -
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. -
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... -
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... -
no air flow to the dash vents -
only passenger side blows hot air -
Driver blend door moves,no clicks or noise.but air is warmer than pass.could b.door still be the prob. -
AC blows cold on passanger side and warm on driver side -
Driver side not cooling like the passenger side -
air not coming out of vents..intermittently..Dealership...part had to be special ordered so lost use of car for over a day.. -
Related Items:
...sult in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.
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...