GET HEAT ON PASSENGER SIDE COLD AIR

Tiny
VILLIE
  • MEMBER
  • 2000 BUICK PARK AVENUE
I get heat on the passenger side but cold air on the driver side?
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Sunday, January 11th, 2009 AT 6:22 PM

25 Replies

Tiny
DAVE H
  • EXPERT
Hello,

You have a blend door actuator that is not working for the passengers side which is common. Here is a guide to help walk you through the repair with diagrams below to help you do the repair on your car.

https://www.2carpros.com/articles/replace-blend-door-motor

Check out the diagrams (Below). Please let us know what happens.
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Friday, January 30th, 2009 AT 10:08 PM
Tiny
TMAJKA
  • MEMBER
Thank you for this post I got a new blend door actuator for $56.00 the problem is fixed! I love this site.
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Wednesday, January 9th, 2019 AT 10:57 AM
Tiny
DSG1966
  • MEMBER
  • 1999 BUICK PARK AVENUE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 71,000 MILES
I have dual climate control. This winter no matter how high I turned the tempature to the passanger side always pushed out cold air. It does it no matter if it is on Auto or I have the settings set manually, cold air comes out of the vents, floor, defrost.

Thanks for your help
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Wednesday, January 9th, 2019 AT 10:57 AM (Merged)
Tiny
BMRFIXIT
  • EXPERT
Suspect bad blend door actuator
inside HVAC box
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Wednesday, January 9th, 2019 AT 10:57 AM (Merged)
Tiny
POLKAHOLIC
  • MEMBER
  • 1996 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 168,000 MILES
What would cause hot air to blow out on the drivers side and only cold on the passenger side?
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
BLUELIGHTNIN6
  • EXPERT
A likely cause for this make and model is the weakening and subsequent crimping of one or more of the vacuum lines, or softened connector nipples within the A/C programmer. Check your connectors and vacuum lines for any defaults and post your results. I will follow up.
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
POLKAHOLIC
  • MEMBER
Thanks for the response while checking the vac lines ect behind the glove box I was adjusting all of the settings to try and figure out what devise activates with each setting. When I turned the temp setting to the lowest setting then back up to the highest I had heat on both sides of the car again. I was able to change the settings to all positions and the heat remained on both sides. I put the dash back together and when I tested it again I started out with heat then I heard the sound of the vac line and it switched back to cold air on the passenger side again. I changed the temp to the lowest setting and after I heard the devise complete its rotation I turned the temp back up and the heat is on both sides again. I know I havent fixed the problem but hopefully this will continue to work until I do find the solution.
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
FORD33
  • MEMBER
You are on the right track. With the glove compartment out. Look on top of the heater box there is an arm about 2" long; it is located approx. Behind where the left corner of the glove box would be. This arm attaches to a "not sure if it's a" vacume/ electric motor. The arm is splined and will strip out; causing it to work intermittently till it doesent work at all. I simply disconected the arm from the rod and installed a spring to hold it one way for summer and the other winter.
Hope this helps. Bruce
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
POLKAHOLIC
  • MEMBER
Thanks bruce. Your idea sounds like a good one.
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
ALEX_1143
  • MEMBER
  • 1997 BUICK PARK AVENUE
  • 180,000 MILES
1967 park avenue-dual climate controls -driver side gives heat when a-c is on pas side has cold air what is problem
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
KHLOW2008
  • EXPERT
A fault with the air-mix motor or its linkages would cause the vents to be directed to the heater thereby no cold air.
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-1
Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
RAYMOND24
  • MEMBER
  • 1997 BUICK PARK AVENUE
Computer problem
1997 Buick Park Avenue 6 cyl Front Wheel Drive Automatic

The air blows good. Only on one side. I have the climate control where passenger can change thier own temperature. The driver side blows hot. Ask people about it and they say that there is a arm that opens up to split the air. Is there any way that I can look for myself. Or would I have to take it to a shop
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi:
Yes, there is a blend door that directs the air flow in different directions. It sounds like there is a problem with it. You can try looking under the dask to locate it; however, you will most likely need to remove several parts to see it. I suggest taking it to a mechanic unless you are confident enough to try it yourself.

Joe
Let me know what you decide.
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
2CARPROS-ARCHIVES
  • MEMBER
  • 1998 BUICK PARK AVENUE
  • 90,000 MILES
This buick has dual climate control that only works on one side. What could be the problem?
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
ASEMASTER6371
  • EXPERT
Mode door motor may be bad. Have it verified for failure

Roy
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
B TYSON
  • MEMBER
  • 2003 BUICK PARK AVENUE
Air Conditioning problem
2003 Buick Park Avenue 6 cyl All Wheel Drive 106000 miles

driver side a/c flows warm air, passenger side flows cold air, why?
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
MERLIN2021
  • EXPERT
Could be a stuck temperature blend door on the driver's side, low A/C charge, weak compressor, or bad control unit, have the B code(s) read, this will point you to the sore spot.
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
BPWEIBEL
  • MEMBER
  • 1997 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 170,000 MILES
I have a 1997 Park Ave that blows out hot/warm air on the driver's side and ice cold air on the passenger's side. What could be causing this?
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
HMAC300
  • EXPERT
Check to see I f your actuators are getting power and working. I've enclosed a pic to show what they look like. It's not your car but it'sclose so you'll get the idea.
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)
Tiny
BPWEIBEL
  • MEMBER
I have checked these as best I could and they appear to be working. They do move from floor to dash to defrost as they are supposed to. I'm having trouble understanding the air flow and how 1 fan could give 2 independent air streams (driver s compartment and passenger compartment/back seat) that could be different temps. Reading the owners manual, the suspect the passenger dual air temp control is involved. There must be something to adjust the temp independently but I haven't figured out where to check this. Can you help? Thanks.
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Wednesday, January 9th, 2019 AT 10:58 AM (Merged)

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