Question about 2001 Chevrolet Tahoe

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Air conditioning blower speeds

I have an interesting problem. My air blows cold, however on the blower speed selector, #1 and #2 setting do not work. The blower only kicks on #3,4 and 5...which is pretty windy. Any ideas on how to fixya?

John

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  • Anonymous Oct 01, 2008

    I have a 2001 chevy tahoe with the same problem.  speeds 1 and 2 do not function.  Also I get cold air flowing out of my front vents when I have the heat on. I can't get it warm.  The rear heater blows plenty of hot air so I know It's got to be some kind of vent problem.  Any help would be greatly appreciated.




    Pat Spring ma

  • texasdaughn Nov 09, 2008

    I had the same problem and my Tahoe almost caught fire.  It did not blow a fuse when the speed control finally when out, so therefore it was getting hot and almost caught fire.  It was a good thing that we smelled it before that.  My advise is to find a Chevy Blazer or Tahoe from the 90's up to the '01 at a junk yard to replace that speed control module because that is all that needs to be replaced.  It is seperate from the other controls and you cannot buy it that way at the parts store or from the dealer.  They only sell the whole thing and you are looking at about $180 all the way up to $300 for the replacement.


  • dave_harper Nov 24, 2008

    I have the same problem on my 2001 Tahoe. I thought it may have been something as simple as a blown fuse. I went through all the fuses and did find a couple that were blown. Unfortunately, none of the new fuses fixed the blower fan. Any other ideas?

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I had the same problem and my Tahoe almost caught fire. It did not blow a fuse when the speed control finally when out, so therefore it was getting hot and almost caught fire. It was a good thing that we smelled it before that. My advise is to find a Chevy Blazer or Tahoe from the 90's up to the '01 at a junk yard to replace that speed control module because that is all that needs to be replaced. It is seperate from the other controls and you cannot buy it that way at the parts store or from the dealer. They only sell the whole thing and you are looking at about $180 all the way up to $300 for the replacement.

Posted on Nov 09, 2008

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Sound to me like you have a blower fan problem. its not uncommon for the fan to "burn out on the lower speeds due to those being the most commonly used speeds. double check with your mechanic to be sure. blower motors aren't hard to replace but the prices vary alot based on type.

Posted on Sep 19, 2008

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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.

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The blower motor for the air conditioning doesn't come on. The compressor comes on. I ohmed the blower motor and it was good. I jumped the blower motor and it turned freely. With the control set 1 2 3...


> With the control set 1 2 3 4 it does blow any air,
? does NOT?
A common problem with this control is the failure of a stepped resistor which causes only the highest speed to still function since this bypasses the resistor.
Tracing the leads from the fan speed switch may help locate it.

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