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2006 Buick Lucerne 6cyl. No heat from passenger side vents(dash, floor, defrost) but there is heat from rear seat vents and driver's vents. The blend door under the cabin air filter seems to be workin

The car has dual climate control. The heater core hoses to and from the passenger compartment are both hot.

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Posted on Jan 02, 2017

SOURCE: 1998 buick park avenue drivers side blows cold, passenger side hot

sounds like the drivers temp door actuator is not working should be located on the drivers side of the air box down by the gas pedal or center dash area.

Posted on Nov 06, 2008

  • 1 Answer

SOURCE: 99 Buick Regal LS dual climate control. No heat passenger side.

the motor for the passenger side
blend door is shot

Posted on Jan 12, 2010

  • 20 Answers

SOURCE: When running the A/C on my Buick Lesabre, cold air

The most common cause in these cars is low refrigerant charge (R134A refrigerant). The safest and proper way is to have the system leak tested and the AC pressures tested with gauges. That said many people buy the precharged cans of refrigerant that come with a charging hose and low side (this is the side refrigerant is added to) charge indicator for about $20. These cans also contain oil for the A/C system. Don't overcharge the system.

Note if you have a leak it will quit again. How long it'll last depends on the nature and severity of the leak.

Posted on Jul 13, 2010

Testimonial: "Freon was 11 ozs low. Had it filled up and A/C works fine. Thanks for your help."

mabpest
  • 1152 Answers

SOURCE: Heater, defroster and vents blow cold out of

flapper doors inside duct blocked or not actuating

Posted on Jan 23, 2011

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1 Answer

Why did the passenger side of the dual climate control on my Buick Lucerne only start blowing cold air? Have no heat on that side, just air conditioning works.


May b a blend door issue..
If its electronic unit then maybe a actuator gone bad
If controlled by vacuum then a broken/loose hose
Does that side change from different settings(dash/floor/defrost even)= blend door issue usually

Sep 17, 2014 | 2007 Buick Lucerne

1 Answer

Why is air coming from all three areas (vents/floor/defrost) regardless of setting?


There is actually two blend door actuator that control the opening and closing of your vents. Ine is located under the drivers side dash board. The is on the passengers side. Both are electric and I didnt have the money to replace them so i removed them and turned it with a pliers to allow heat to come out of bothe sides of the vent. Then come summer flip the little bar back the other way to A/C
Hope this helps
God blessss

Jul 14, 2014 | 2000 Buick Regal

2 Answers

2006 buick lucern blowing hot air on one side and cold on the other side


Do you have dual zone cooling? If so, you have a bad air blend motor. I had to replace 3 on my 07 Impala and the basic geography of the part locations are the same for your Lucerne. There is one to the left of the radio well back into the dash, one to the right and one by the passenger side kick panel, near the door hinge. They are not for the faint of heart to replace. I had to replace mine because they were clicking and sounding obscene. They run about $25 each. Determine which is faulty using this rule of thumb:
Drivers side uncontrollable: replace far left blend motor
Passenger side uncontrollable: replace one just to the left of the glove box.
If you cannot switch between outside air and recirc, replace the one to the right of the glove box.
The blend control motors look eerily similar to a quartz clock movement you'd find in a hobby store, however, that is where the similarity ends.

Hope this helps

Jan 26, 2013 | 2006 Buick Lucerne CXL

1 Answer

My heater does not blow in floor in a dodgeram 1500


the heater vacuum motor and lines needs to be checked.Also get the blend door checked.

NO HEAT ON FLOOR VENTS

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As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html


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No heat on Oldsmobile Silhouette?


http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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Hot air on the driver's side vents only?

http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

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Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

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1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold?

http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html

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No heat, blower blows only cold?

http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html

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Ford F150 Ac only blows through defrost vents?

http://technoanswers.blogspot.com/2012/01/forf-f150-ac-only-blows-through-defrost.html

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Dodge A/C come out of defrost vents only?

http://technoanswers.blogspot.com/2012/01/dodge-ac-come-out-of-defrost-vents-only.html

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Ac vacuum line on dodge cummins?

http://technoanswers.blogspot.com/2012/01/ac-vacuum-line-on-dodge-cummins.html

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Ford ranger AC blows cold through defrost vents instead on cabin vents?

http://technoanswers.blogspot.com/2012/01/ford-ranger-ac-blows-cold-through.html

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2005 Chrysler PT Cruiser: A/C Blows Warm?

http://whoisbyme.blogspot.in/2012/06/2005-chrysler-p8t-cruiser-ac-blows-warm.html

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2009 Mercury Grand Marquis: A/C blows Cold From Defrost Vent Only?

http://whoisbyme.blogspot.in/2012/06/2009-mercury-grand-marquis-ac-blows.html

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AC not blowing through Vents on 2007 Chevy Trailblazer?

http://schematicsdiagram.blogspot.in/2012/04/ac-not-blowing-through-vents-on-2007.html

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Passenger side temperature is warm air out of dash vents?

http://schematicsdiagram.blogspot.in/2012/04/passenger-side-temperature-is-warm-air.html

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These will help.

Thanks.

Nov 28, 2012 | Cars & Trucks

1 Answer

2000 Buick Lesabre Limited with electronic climate control.


Could be a vacuum actuator problem. or just a vacuum leak, period. I have a Jeep that when it has a vac leak, the climate system defaults to the defrost, no matter what you set it at.

Feb 05, 2012 | 2000 Buick LeSabre

1 Answer

On my 2004 Gmc Envoy, Heat only comes out on passenger side, still blows cold air on drivers side. Defrost, floor and vents all produce air flow. Rear heater works fine. A/C works fine. Any idea?


Sounds like the driver's side temperature actuator or blend door are defective. Part of the dash needs to be removed to access these parts.

Oct 26, 2011 | 2004 GMC Envoy

1 Answer

2006 chrysler pacifica air blinder not work only the vent for heating are blowing air i can't get it to switch to defrost or floor vent Could this have something to do with the blower relay switch...


the blower relay switch controls the blower motor,this sounds more like an air blend switch on the heater control head on the dash,not making the switch over in that switch.it could be the air blend door motor on the heater duct under the dash on the passenger side.this can be checked with a scan tool that has the capability to communicate with the bcm computer on this car.

Mar 17, 2011 | 2006 Chrysler Pacifica

1 Answer

2004 Yukon, air whether it's AC, heat or just vent doesn't go where the mode says it should. Mostly comes out the defrost ports on the dash. This is for both the driver, passenger and rear seat controls.


This is probably due to a faulty blend door or blend door actuator. The blend door is a device inside the dash that directs the air flow to the desired vent. Sometimes they will fail, but usually is an actuator. Unfortunately, you will have to remove the dash to see if this is the problem. If you have never removed the dash on a Yukon, you are in for a very big job. Here is also some good information

Oct 15, 2010 | 2004 GMC Yukon

1 Answer

Rear window defroster, no driver heated seat


check the ground on the passenger side of the rear window under the trim panel. That is what was wrong with mine.

Dec 22, 2008 | 1999 Buick Park Avenue

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