Question about 1998 Chevrolet Tahoe

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2000 Chevy Tahoe A/C started blowing fog & no longer cools good

2000 Tahoe / 350 - driving in 100 degree humid heat for several hours with A/C on high (Missouri, Ark & Texas). Suddenly it began blowing fog out the vents for about 5 minutes and since then it is not cooling good anymore.

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Have you checked yoour heater core? I agree it is possible that your evap might have sprung a leak. Have you physically checked your A/C compressor to see if your cluth is coming on?

Posted on Jul 05, 2009

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Sounds like your evaporator sprung a leak

Posted on Jun 28, 2009

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I have a 2003 Tahoe and when I put the heater on only the driver side get warm passenger side blow cold air


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2004 Chevrolet Tahoe Blows Hot Air - Sparky's Answers



Jan 21, 2016 | Cars & Trucks

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I have a 2003 chevy tahoe Lt the air works in front and with back controls but heat is only working in the front it blows with back controls but puts out no heat what causes this?


Your climate system can only cool or heat but not both. The temperature has a big effect on this. The cooling needs the compressor.

Apr 02, 2015 | 2003 Chevrolet Tahoe

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Overheating gage when stop & go -2004 chevy tahoe


natural for engine temp to rise in Traffic - Until Themostat opens ) cooling fan sensor kicks on fan . But Antifreeze is not just a Cold weather item . Coolant is Absolutely Necessary for Hot Days . You must be full to recovery bottle setting of cold when checked prior to start up . Coolant for your make / model is Reddish - Pink colour and should have a reading of -25 thats negative 25 degrees the Lower the Better even - 50 .. Why ?? - 50 is 50 %% antifreeze / Coolant Concentrate MIX Gives Hot weather cooling Ability or very cold weather starting / winter HEAT .

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My chevy venture 2003 only over heats when it is still with the engine on but it does not over heat when i drive it, what could it be?


Odds are your electric cooling fan[s] isn't coming on. This fan should only run when the a/c is on or when the engine temperature has reached about 218 degrees. Once the a/c is off or the engine temp drops to about 210 degrees it shuts back off again. It rarely comes on at speeds over about 35 mph because at that speed enough air is forced through the radiator to keep the engine at about 198 degrees. I would start by looking for a blown 30 amp fuse under the hood. There may be two of them marked "Cooling fan 1" and "Cooling fan 2" or something similar. If the fuses are good you could have a faulty cooling fan motor that just isn't running. Hope this helps a bit!

Jul 08, 2010 | Chevrolet Venture Cars & Trucks

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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

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Not cooling


your low for 134A should not exeeed 45 Psi and highs for 134A shouldent get above 300. When your replacing stuff are you cleaning out the residue from your evap and condensor prior to reinstalling Freon?allso adding oil. and vacumeing your system prior to charging helps to get all the moisture out. In high humidity its crutial for optimal cooling and when system is open to the humidity for some time it gets loaded with water and vacuming can sometimes take as long as 10 hours

Jul 30, 2009 | 2005 Dodge Durango

1 Answer

I have a 2000 Mirage and i the morning my a/c works it cools but in the afternoon when i leve my work it blows out hot air can you help please. Les


It sounds like your air conditioning is actually not the issue here. If your a/c is working in the morning, there is no reason it shouldn't work at a different time of day. What most people don't realize is how hard an a/c system must work to cool off a car that has been sitting in the sun all day during a hot summer. Even if you leave your windows down to avoid the greenhouse effect (which can make a HUGE difference if you don't) the interior of your vehicle is still probably a dozen or more degrees hotter than the temperature outside. This is because only so much air can circulate through cracked windows, and because of the direct sunlight shining onto your vehicle's interior and upholstery. Even once the a/c system is up and cooling the air inside your car, it is still struggling against the heat stored in your car's interior, which is giving up its heat to the surrounding air as it cools off. This can take quite awhile, and if your drive home is a short one, the a/c system may never have time to fully compensate once the car's interior has cooled to match the interior's temperature. To make matters worse, if your drive home is one through the city, you can expect your a/c to suffer. The air conditioning system needs good, steady airflow over it's condenser (a radiator-type part located just behind the front grill) and lots of starts and stops in a city or heavy traffic area can obviously prevent this. Above all though, the most important thing to remember is that with even a perfectly functioning a/c system, you can usually only expect about a 30 degree drop on average from the outside air temperature. So, if it is 100 degrees out, depending on the ambient pressure and humidity (also things which can affect an a/c system's efficency) you may only get air that's 70 degrees out of your vents. I would recommend always rolling your windows down half an inch or so, and park in the shade whenever possible. Also, putting a sunshade in your front (and sometimes even rear) windows, and having your side windows tinted (when legal) can go a LONG way toward keeping your interior as cool as possible when sitting parked in the sun for long periods of time

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Fuel pump replacement 1999 chevy tahoe


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Feb 05, 2009 | 1999 Chevrolet Tahoe

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