Why is my Chevy Tahoe not blowing cold air?

One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Chevy Tahoe isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening.

Why is my Chevy Tahoe heater not working?

The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor. It is entirely possible for your Tahoe’s heater to work just fine even when the air conditioner is not blowing cold at all.

Do you need to recharge your Chevy Tahoe Air Conditioner?

Over time your Chevy Tahoe’s air conditioner may begin to blow warm air. This is a sign that it needs to be recharged with refrigerant. Having a mechanic recharge your air conditioner can be expensive; instead you can purchase a can of R134a refrigerant that includes a hose and recharge the system yourself.

How long does it take to cool a Chevy Tahoe Air Conditioner?

Allow the engine to cool for at least 20 minutes before you begin any work under the hood. Locate the service fittings on your Tahoe’s air-conditioning system. You may need to refer to your owner’s manual. The Tahoe has two fittings.

Why is my Chevy Tahoe Air Conditioner not cold?

Most of the time, when your Tahoe’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. We recommend having a professional recharge your A/C if it does end up being a coolant issue.

How to fix a car that’s blowing hot air?

Scotty Kilmer, mechanic for the last 45 years, shows how to fix a car that is blowing really hot air, even though the AC system is turned on full cold. Often a bad main AC control unit goes bad, and he shows how easy it can be to replace. 1. Autel Diagnostic Tool: http://amzn.to/2nrT5op 2. Screwdriver set: http://amzn.to/2jaHIfP 3.

Why does my car air conditioner blow cold then warm?

Any number of culprits could be causing your car A/C to blow cold then warm air, including: A Leak in the A/C System A small refrigerant leak is the most common reason a car’s A/C gradually loses its cool.

What should I do about my Chevy Tahoe Air Conditioner problem?

Since I couldn’t get the compressor to kick on in order to charge the system, I took the truck to Pepboys, who charged me $390 stating that I needed a new belt, as well as two new valves (stated that the old ones were leaking).

Why does my Chevy Tahoe get cold when the AC is on?

The switch from AC to HOT seems to get worse starting about @ 85 degrees and when it’s @ 100 degrees the AC stays on a very short while. When the AC is working, it is very cold. The vents facing the driver blow out hot air when the air conditioner is on.

How can I get my Chevy Tahoe AC back on?

I can get the AC back on only by shutting off the vehicle. The switch from AC to HOT seems to get worse starting about @ 85 degrees and when it’s @ 100 degrees the AC stays on a very short while. When the AC is working, it is very cold. The vents facing the driver blow out hot air when the air conditioner is on.

Why does the AC quit working on my Tahoe?

Same thing happens sometimes on passenger side. At first, hot air would blow out of the passenger’s side while the AC was on. Next the AC would quit on the driver’s side and blow extremely hot air (hotter than just the heat). I can get the AC back on only by shutting off the vehicle.

How much does it cost to fix a Chevy Tahoe heater?

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code (s) stored in the HVAC control module should be available to assist with diagnoses. The average cost for a Chevrolet Tahoe AC Diagnosis is between $53 -$67.

How much does it cost to replace AC actuator on Chevy Tahoe?

In AC mode, heat eventually comes out on drivers side. I had the actuator replaced by mechanic at a cost of $300.00 ($150 for the actuator and $150 for labor). New actuator worked fine for awhile now it’s doing it again. Anyone have any suggestions or instructions on how to install new actuator?

Are there any problems with the 2003 Chevy Tahoe?

Click on a category below for details. Help? Loading Curious how the 2003 Tahoe compares to other years? Check out our Chevrolet Tahoe overview to see the most problematic years, worst problems and most recently reported complaints with the Tahoe.

What does it mean when AC blows hot air on one side?

AC Blows Hot or Cold Air on One Side with Clicking Sound. If you experience the symptom of the AC blowing hot or cold air on one side but not the other and it’s accompanied by a clicking or ticking sound, it probably means a gear in the temperature blend door actuator is faulty and the actuator needs to be replaced.

What to do if your air conditioner is blowing cold air on one side?

If the air conditioning in your car is blowing hot air on one side and cold air on the other, there could be a simple fix like adjusting the temperature or it could be time to replace a part like the temperature blend door actuator.

Is the AC warm when the truck is idling?

When the truck is driving, the AC is ice cold. However, when I am idling for a couple of minutes, the AC will start to blow warmer air. Almost as if the ac is turned off and only the blower is working. Can somebody please assist? Thanks.

Is your car air conditioner not blowing cold air when?

Ever had problems with your car about air conditioner, or AC, not blowing cold air when the car is at stop? This happens in most cars when the AC system of your car does not have properly maintenance and it definitely makes you irritated to stay in the car on a hot day with no cool AC.

Why does the AC blow warm air when idling?

I have a 2001 Chevy Tahoe with the 5.3L engine. I have an odd issue with the AC and was hoping an expert can shed some light on the problem. When the truck is driving, the AC is ice cold. However, when I am idling for a couple of minutes, the AC will start to blow warmer air. Almost as if the ac is turned off and only the blower is working.

Is the a / C on my Chevy Tahoe not working?

2015-2017 Chevy Tahoe A/C Does Not Work watch this FIRST before you spend MONEY! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

What happens when your a / C unit is idle?

When you are at idle, you are not producing as much pressure as when you are accelerating. So if your freon levels are low, then when you idle you very well may not get any cold air through the vent. As A/C runs like a giant circle of pressure, you need to make sure all the levels are sustained at all times.

Why is the rear AC warmer than the front?

When the rear ac is turned on only, the air isn’t that cold. But when the front ac is turned on, the rear ac is blowing colder air out the vents. That’s because the rear AC by itself can’t turn the compressor on… The front AC has to be on for the compressor to turn on….

Why is the front vents warm but the rear vents are cold?

The gauge showed that the system was low and I started to fill the system. The compressor clutch did turn on and the system is currently at 45psi (fill zone). Now, the rear vents is blowing cold air but the front vents is still blowing warm air.

What happens when the air conditioner compressor fails?

When the compressor fails, the most common symptom is warm air from the vents. A squealing or grinding noise may also be heard from the compressor in the event of mechanical fai… Read More When the condenser fails, the air conditioner will fail along with it.

Why does my front AC blow hot air?

Warm in front, cool in back. Please post any answers as I would like to know as well. a/c is working fine. sounds like the diverter door is remaining open allowing the fan to blow air through the heater core. this door is often controlled by engine vac or and electric door motor closing device. A good mech at the dealer should have found this.

How does the hot air blow in a GMC Yukon?

A small servo motor that turns hot and cold air valve in the heater box. I pulled the small flat motor off and noticed the shaft was jammed and would not turn when i moved the temperature selector knob from hot to cold.

What to do if you have airbags in your Chevy Tahoe?

The best thing to do at this point is to take your Tahoe to the mechanic to have a full diagnosis. However, there are some tests you can do at home to check for a few things. Take a bowl of soapy water and a paintbrush. Brush the liquid over the airbags and air lines in your air suspension.

Why is my air suspension failing on my Chevy Tahoe?

If you see any bubbles forming on the surface, you’ve got a leak. Leaky air bags in your Chevy Tahoe are one of the most common reasons for air suspension failure. Some other problems might be electronic, related to the complex computer system that controls the active suspension. You could also be facing problems with the compressor.

What happens when the blower fails on a Chevy Equinox?

When the blower motor fails, the air conditioner and heater may still work, and heat or cool may be felt at the vents, but the air pressure will be dramatically decreased. This Read More When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold.

How to fix rear air conditioning on Escalade?

Rear Air Conditioning Fix On Escalade, Yukon, or Chevy Tahoe – YouTube Any kind of problem related to your rear air conditioning system will be covered in this video, from your blower motor, to expansion valve, actuators, or res…

Where is the blend door on a 1999 Tahoe?

Your blend door is in the center of the HVAC case just above the hump in the floorboard. The actuator is accessable by removing the connector and the two 7mm headed screws.

Why does my GM Truck AC keep blowing out?

The 1995 and earlier have a different circuit board layout, the transistor numbers and concept should still apply but the the locations shown in the video will be different. If you find that the transistor keeps blowing out after replacement, then its because of too much current passing thru due to a short to ground in the circuit.

Why does my GM Sparkys not blow heat?

The Passenger side would not blow heat on the “hot” setting but it would blow heat when set to “cold” on the Tech2. The temperature sensor readings were interesting as well. The outside ambient air temperature was reporting correctly; the Tech2 and rearview mirror numbers matched.

Is the front of my truck warm or cold?

The front and rear where blowing warm air with the temps set at 60 degrees max. Today, I decided to purchase the EZ-CHILL from Advanced Autoparts to recharge my system (low-side).

Why does the AC blow warm air while idling?

During idling however, the AC starts blowing warm air and it gets warmer and warmer the longer the car is not in motion. It cools the car again when I drive. The system has been charged.

What to do if your air conditioner is blowing hot air?

If you discover this to be the reason why your car air conditioner is blowing hot air add Red Angel A/C Stop Leak to your vehicle’s air conditioning system to seal any leaks no matter how small they are before you recharge the system.

What’s the problem with my Chevy Tahoe a / C?

I have a 2002 Tahoe that is having some problems with the rear a/c. At first it would only blow out hot air. Up front, I was getting ice cold air.

Why does my Chevy Tahoe blow hot air?

I leave the rear air on auto for both fan and vent control and just leave it at 70 on the temp. If this does not work, there are some threads on here about replacing the actuator or manually resetting. I have a 2002 Tahoe that is having some problems with the rear a/c.

Why does the a / C blow hot in my GMC Yukon?

I have a 2002 GMC Yukon and the A/C in the dash blows cold but the rear A/C blows warm. Does anyone know what could be the cause of this and how to fix it. Click to expand…

Why is my Chevy Tahoe not blowing cold air?