Question about 1995 Buick Park Avenue

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A/c problem A/C cools ok but without changing the controls air flow goes to windshield from the center dash louvers

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There is a vacum line off in the dash. The controles for your air flow are all vacume oparated so its no biggey just take out your dash cluster by that I meen your heater and stareo and find wich hose is off and put it back on.

Posted on Oct 18, 2008

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2 Answers

1998 GRAND CHEROKEE BLOWS ON DEFROST ALONE


Hi I have a 2002 JGC ltd and it is most likely your dampeners or louvers located behind your temp controls (inside the dash) for driver and passenger sides that control the direction of air flow from air outside in, circulation, heat to windshield, centre and or to floor etc. I had a friend that had heat only to the passenger side and cold air blowing to driver side. He took it in and they replaced stuck dampeners and it was not cheap. Sounds like the tipical problem with heaters.

Nov 10, 2012 | 1998 Jeep Grand Cherokee

Tip

Tips for operating Air conditioning system on Toyota Hilux and someother...


To cool off your Toyota after it has been parked in the hot sun, drive with the windows open for a few minutes. This vents the hot air, allowing the air conditioning to cool the interior more quickly.

Make sure the air intake grilles in front of the windshield are not blocked (by leaves or snow, for example).

On humid, do not blow cold air on the windshield. The windshield could fog up because of the difference in air temperature on the inside and outside of the windshield.

Keep the area under the front seats clear to allow air to circulate throughout the vehicle.

On cold days, set the fan speed to high for a minute to help clear the intake ducts of snow or moisture. This can reduce the amount of fogging on the windows.

When driving on dusty roads, close all windows. If dust thrown up b the vehicle is still drawn into the vehicle after closing the windows, it is recommended that the in intake be set to FRESH and the fan speed to any setting except "OFF".

If following another vehicle on a dusty road, or driving in windy and dusty conditions, it is recommended that the air intake be temporarily set to RECIRCULATE, which will close off the outside passage and prevent outside air and dust from entering the vehicle interior.

HEATING

For best results, set controls to;
Fan speed ---- Any setting except "OFF"
Temperature----Towards WARM (red zone)
Air intake ---- FRESH (outside air)
Air flow ---- FLOOR
Air conditioning ---- OFF

For quick heating, select recirculated air for a few minutes. To keep the windows from fogging, select fresh after the vehicle has been warmed.

Press the "A/C" button on for dehumidified heating.

Choose floor/windshield air flow to heat the voltage interior while defrosting or defogging the windshield.

AIR CONDITIONING

For best results, set controls to;

Fan speed --- Any setting except 'OFF"
Temperature --- Towards COLD (blue zone)
Air intake --- (outside air)
Air flow --- PANEL
Air conditioning --- ON

For quick cooling, move the air intake selector to recirculate for a few minutes.

VENTILATION

For best results, set controls to;

Fan speed --- Any setting except 'OFF"
Temperature --- Towards COLD (blue zone)
Air intake --- (outside air)
Air flow --- PANEL
Air conditioning --- ON

DEFOGGING

The inside of the windshield

For best results, set controls to:

Fan speed --- Any setting except 'OFF"
Temperature --- Towards WARM (red zone) to heat; COLD (blue zone) to cool
Air intake --- FRESH (outside air)
Air flow --- WINDSHIELD
Air conditioning --- ON

The outside of the windshield

For best results, set controls to:

Fan speed --- Any setting except 'OFF"
Temperature --- Towards WARM (red zone)
Air intake --- FRESH (outside air)
Air flow --- WINDSHIELD
Air conditioning --- OFF

On humid days, do not blow cold air on the windshield. The windshield could fog up because of the difference in air temperature on the inside and outside of the windshield.

DEFROSTING

The outside of the windshield

For best results, set controls to:

Fan speed --- Any setting except 'OFF"
Temperature --- Towards WARM (red zone)
Air intake --- FRESH (outside air)
Air flow --- WINDSHIELD
Air conditioning --- OFF

To heat the vehicle interior while defrosting the windshield, choose floor/windshield air flow.

on Feb 14, 2011 | Toyota Pickup Cars & Trucks

1 Answer

We have changed the heater core,,, and thermostat.. it is still blowing cool air... i bought the coolant temperature sensor but dont know where it goes is it behind the dash board also?


Hi I have a 2002 JGC ltd and it is most likely your dampeners or louvers located behind your dual temp controls for driver and passenger sides that control the direction of air flow from air outside in, circulation, heat to windshield, centre and or to floor etc. I had a friend that had heat only to the passenger side and cold air blowing to driver side. He took it in and they replaced stuck dampeners and it was not cheap. I also had a 98 JGC ltd with the (coolant sensor is bad) warning coming on at least 4 to 5 times in a day and had heat. My problem is that my interior glass was fogging up, used glass defogger and stop leak. The problem was fixed but I still smell antifreeze because of the leak and it is irritating me. I may consider replacing the heater core and was wondering if you took it in or did it your self and how did you do it if you replaced it yourself, plus how much did it cost you?


Thanks.

Nov 10, 2012 | 2000 Jeep Grand Cherokee

2 Answers

I have a 1993 dakota, the climate control only blows though the window area. I cannot get air flow to move from the window to any other setting, floor or dash. Wondering what the issue may be and how to...


wakow4u, What you have to do is look for a vacuum line that comes from the engine and enters the passenger compartment through the firewall. This vacuum line controls the climate control. A small rubber hose that fits tightly will suffice as a good and quick repair. Good luck with this.

May 16, 2011 | 1993 Dodge Dakota

1 Answer

The fan only blows air out of the dash to the windshield no matter what the controls are set to,floor or vent ,i just replaced the battery could this have caused it?


Test your vacuum lines for leaks. The ventilation louvers are vacuum controlled through the selector in most vehicles, though I am not certain for your particular vehicle.

Alternatively, your controls may have an electrical issue if you have automatic temperature control etc. Try disconnecting the battery to reset the computers and try again.

If there are no leaks and resetting does not help, I would suspect that the controls have a problem or your louver is stuck.

Oct 04, 2009 | 2002 GMC Sierra

1 Answer

Can't change air flow direction on ac/heater control. Only blows up to windshield.


It will be a cable that will be disconnected. or broken. Youll have to take some of the dash apart to see the cable and follow it to the switch. Dont be affraid to take some things apart and when you cant see, use a mirror to help you see behind the dash. work the control and watch the action. You will fix this dont get frustrated. good luck

May 22, 2009 | 1998 Ford Taurus

4 Answers

Climate controls


Car manufacturers use the defrost mode as a default for safety reasons. Being they want you to be able to defrost the windshield no matter what. So when something goes wrong the system automatically goes to the defrost mode. You most likely don't have the vacuum hose connected under the dash at the climate control assy. Or if this vehicle doesn't use the vacuum hose style you may have not plugged in one of the connectors under the dash or behind the climate control assy. Good luck.

May 21, 2009 | 1997 Lincoln Continental

1 Answer

Air conditioner blows hot air from dash


On most cars when you push a button or slide a lever to change your choice of location where you want the air to blow out louvers move inside the dash to redirect the air to your chosen location. When you switch from heat to AC other louvers move. These louvers are often powered by vacuum lines running from the engine. If one of these louvers is stuck or if you have a vacuum leak in one of the lines it may be causing your problem.

May 12, 2009 | 2004 Chevrolet Suburban

2 Answers

Can not adjust the direction of air flow for the heater or defros


or it could be that you need to replace the air filter that is located underneith the dash on the passanger side slightly to the left

Nov 17, 2008 | 2005 Chrysler Pacifica

2 Answers

Side louvers/vent covers


what do you mean with louvers? do you mean lowers?

Jun 07, 2008 | Ford Shelby Cars & Trucks

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