Why is my AC not working in my Avalanche?

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.

How does the heater work on a Chevy Avalanche?

Heater blows cold air to drivers side and hot air to the passenger side when heat is on. Climate control lights for the passenger no long illuminate, when setting is on cold, cold air will blow on drivers side vents, but heat (that is hotter then the blazes of hell) blows from the passenger vents.

How much does a Chevrolet Avalanche 1500 cost?

The average cost for a Chevrolet Avalanche 1500 AC Diagnosis is between $53 -$67. Learn More Intermittantly, hot air comes thru driver’s side when all selectors are off. This can happen when A/C is on also, but passenger side is cold. No codes come up on computer when checked. Replaced driver’s side actuator door once with an after-market product.

How much does it cost to repair an avalanche AC?

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 Avalanche 1500 AC Diagnosis is between $53 -$67. Learn More

Why does my Avalanche shift harder than normal?

When it feels like the transmission is shifting a lot harsher than normal, it is often an issue with the throttle position sensor. The transmission will shift harder when it’s under heavier throttle.

What kind of transmission does the Avalanche have?

2002 Avalanche Transmission + Problems. The 2002 Chevrolet Avalanche came with two automatic transmissions. It had no manual transmission option. The standard transmission for these trucks was the 4L60E. The heavy duty transmission option was the 4L80E. They are both four speed overdrive transmissions.

What causes a Chevy Avalanche to go into limp mode?

The torque converter bolts could have sheered or come out too, but this is only likely if you’ve replaced the transmission and didn’t use OE bolts and loctite. Another common transmission problem to the 2002 Chevy Avalanche is when it goes into limp mode.

What’s the problem with the Avalanche climate control?

I have a 04 avalanche the AC works perfectly but will not switch to heat. When I put it to the heat mode all I get is AC. Other then the AC/heater control itself, any other suggestions of where the problem could be. My problem is the heat only works when digital setting is at 90 degrees.

Where does hot air come from in Avalanche?

Intermittantly, hot air comes thru driver’s side when all selectors are off. This can happen when A/C is on also, but passenger side is cold. No codes come up on computer when checked. Replaced driver’s side actuator door once with an after-market product. It’s still doing it.

Why is the air conditioning on my Avalanche not working?

While there are a variety of reasons your Chevrolet Avalanche 1500 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis?

Why is my a / C not working on my Chevy Silverado?

Subject: Air Conditioning (A/C) Blows Warm Air Intermittently. This condition may be caused by the A/C compressor clutch cycling out early when the low pressure side reaches approximately 380 kPa (55 psi). The fix is to bring the vehicle to the dealer to have the latest software installed into the vehicle.

Why does my Chevy Avalanche 1500 not work?

What are common reasons my Chevrolet Avalanche 1500 has air conditioning problems? While there are a variety of reasons your Chevrolet Avalanche 1500 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.

Why does my Chevy Avalanche have hot air instead of cold air?

Climate control lights for the passenger no long illuminate, when setting is on cold, cold air will blow on drivers side vents, but heat (that is hotter then the blazes of hell) blows from the passenger vents. I will be driving and out of no where, I have hot air instead of my cold air on the driver side.

Why is my AC not blowing cold air?

No heat cold air only….. Heat is not blowing. Have put in new blower motor, blower resistor and changed the 40 amp fuse which was blown I get no air at all heat or ac will not blow. climate dual control both sides down to cold ac switch is on .blows cold air to passenger hot air on driver.

Why is my Chevy Avalanche heater not working?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My Heater Working? What are common reasons my Chevrolet Avalanche has heater problems?

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.

What to do if your Ford Fusion heater is not working?

When the blower motor resistor fails, the air conditioner and heater may still work, but air may blow from the vents at only some of the fan speed settings. If the resistor isn…

What happens to the heater when the valve fails?

When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold. Also, the valve could leak engine coolant, p… Read More A failing heater core may cause the car’s interior to smell like engine coolant. The smell will become worse when the heater is turned on.