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Air condition won't cool.fan blows warm air. - 2005 Lexus Ls 430

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Sounds like the air-con gas is low switch on air-con a nd check to see if the compressor clutch is pulling in if not reove h/p dust cap on the aircon pipe press schroder valve to see if gas escapes if not will need re-gassing even if you get gas out without a pressure gauge it is hard to tell if the right anount of gas is in the system.

Posted on Jul 12, 2009

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2008 Trailblazer Air Conditioner not cooling. blows warm air for the first few miles then cools. It has been recharged.


Philip, You may have to have a good tech, check,diagnose and estimate repair. Could be a few things causing poor AC, recheck your charge level,check your fan at the condenser, make sure the condenser isn't obstructed, compressor clutch could be faulty, system could be plugged with contaminates limiting refrigerant flow.You say the system has been recharged, was it done properly, if not system could be plugged. AC system should of had system checked for leaks,evacuated, flushed, new orifice tube, then recharged with proper quantities of oil and refrigerant. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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Car AC Not Blowing Cold Enough Car Repair Information From MasterTechMark

Aug 18, 2016 | 2008 Chevrolet Trailblazer

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

I have a 2002 Volvo S60 air conditioning problem. Initially, the air conditioner will blow cool/cold air, but when I get in traffic and have to do a lot of stopping and starting the air turns warm. Have...


check to see if your cooling fans are working because when they dont work, your air will blow nice and cold when driving but will be hot air when stopped in traffic.

Jun 15, 2011 | 2002 Volvo S60

1 Answer

1998 honda accord ex air conditioning not cool


Did you check the condensor fan to make sure its working

Apr 17, 2010 | 1998 Honda Accord

1 Answer

2000 chevy tahoe air conditioning blowing warm air


probably a leak.

what are your high and low side pressures?

Aug 01, 2009 | 1996 Chevrolet Tahoe

2 Answers

I have a Ford F-250, the air conditioning works for about 15 minutes when you turn it on and then it cuts out and blows out warm air. Is this a relay problem?


Yes,

The cooling fan for the condensor or radiator is not coming on. The system is getting to hot because of this and building pressure. Then cuts off.

I would have the a.c system check for leaks and recharged. Then check the cooling fan and relay.

Very common problem.

Jul 16, 2009 | 2003 Ford F250 Super Duty Crew Cab

1 Answer

Fan blowing while car is off


If the A/C knob is not set to 0 at the time ignition was off, the fan could run for a little and then off itself.

May 17, 2009 | 2002 Volvo S60

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