Q: AC question - 2003 Chevrolet Tahoe

asked by on August 20, 2016

I left the house air condition working front vents passenger side driver side and rear air blowing cool got down the road about two and a half miles hot air starts pouring out of my driver side vents but passenger side and rear vents are still blowing out cool air what could be the problem

My car has 222000 miles.
My car has an automatic transmission.

AC is not working Inspection $111.46 - $131.46 Get a Quote

You may have a bad temperature blend door actuator for the left side vents. You should also have the complete system checked to make sure you are not low on refrigerant since the left side will be warmer than the right side first.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Car does not start. Check Engine light on.
There could be several reasons behind why your Honda Civic will not start. A simple test you can try first yourself is to turn the key to the ON position (do not start the car) and see if the Check...
Misfire in cylinder 2 and 6
It is possible that you have an ignition coil (https://www.yourmechanic.com/services/ignition-coil-replacement) going bad. Once heat builds up, resistance in the ignition coils increase. If you have a weak coil, it will sometimes cause a misfire when it is hot. The misfires...
Both battery terminals get hot while engine is running on a zx3 dohc zetec 16 valve
Hi, thanks for writing in. I'd be happy to help. Based on your details, I feel that this could be from a bad cable end or connection to the battery or a shorted battery (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-battery). I would recommend having an...
Helicopter noise, steering wheel vibration. Had CV axles and wheel bearing replaced, but the noise is still there. What's wrong?
Hello, thanks for writing in. This sounds like you have tires that are not wearing correctly due to the alignment is not correct or has not had rotations and the tires have high ridges on the tread. Have the tires...
Why does my battery keep dying?
This may be a sign of a failing voltage regulator. As you know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine turns the alternator. The voltage...
Overheating engine
If the vehicle is presently overheating, you want to check, and perhaps just replace, the cooling system thermostat (thermostats are not costly and they do eventually fail), check the radiator for blockages (radiators can be flow tested) and check the...
car needs to be smogged
Hi there. When the oxygen sensors have a reading that is similar to each other, it is an indication that the catalytic converter is not working as efficiently as it is intended. If the voltage of the downstream oxygen sensor...
I have 2012 Mazda CX5. How do I change the language on the information display system from Japanese to english? Thank you for y
I believe that this would be in the settings menu on the radio or instrument cluster. I would recommend checking in your owner's manual for this particular information to see if it tells you how to do it. If the...
I have a 2012 Audi Q7 that consumes a quart of oil every 500 miles
This can happen for a couple of different reasons such as worn piston rings or leaking valve guide seals. Blue smoke coming from your exhaust (https://www.yourmechanic.com/services/smoke-from-engine-or-exhaust-inspection) generally means that the motor is burning the engine oil. When this happens, the...

Related articles

A Buyer’s Guide to the 2012 Chevrolet Silverado
While While the Ford F-150 is still the best-selling pickup truck in the US, the 2012 Chevrolet Silverado is one of the finest half-ton pickups available today. In fact, the Silverado and the GMC Sierra are actually the same vehicle...
The Best Used Cars to Buy If Your Kid's On the Soccer Team
If If you are a soccer mom (or dad), you know that you need a lot of space to transport your budding World Cup contenders, along with their gear. From time to time, you can also expect to be bringing...
How to Buy a Good Quality AC Condenser and Condenser Fan
A A car’s air conditioning system is an orchestra of different parts working together – the compressor, condenser, accumulator or receiver dryer, expansion valve or orifice tube, and the evaporator. Each component has a specific function and if one part...