How does temperature control work on a Chevy Silverado?

The temperature control has no effect controlling temperature. Sometimes its hot and sometimes its cold. The temperature cannot be set it has a mind of its own. Very frustrating to be in a vehicle that has no heat when its cold and the A/C pumps out hot air when it hot. Sometimes you can hit it lucky to where your A/C works when you want it to.

Is there a problem with my 2001 Chevy Silverado?

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Why is the radiator not working on my Chevy Silverado?

If the radiator fan is not working, it’s a serious problem. Just because the radiator fan is not on does not mean that it is not working. They are designed to only run when needed. If your Silverado is running hot, and the fan is not running we’ve laid out the most common causes of this issue below.

How can I tell if my Chevy Aveo radiator fan is bad?

You can test the voltage going from the fan relay to the fan itself. If it is getting 12+ volts, the fan should be coming on. But if it’s not, which means the fan has gone bad. This video from Ratchets and Wrenches is a phenomenal resource on how to properly diagnose a wiring problem.

Why does my Chevy Silverado blow hot air on one side?

This article applies to the Chevrolet Silverado (1999-Present). Does your Silverado blow hot air on one side and cold air on the other? If you have dual zone controls you may have run into this problem before. There is a way to fix this if you’re patient and willing to troubleshoot your way through it.

How to tell if your Chevy Silverado is not working?

The actuator turns a door to switch between warm and cold air, but there are multiple actuators in your truck. To figure out which one isn’t working shut off the truck and turn the fans off. Then listen carefully when you turn the key as you should hear the actuators click to life. If one of them doesn’t click it’s probably not working.

How to fix Chevy GMC Truck heater blend door?

1999 – 2004? Chevy GMC Truck Heater Blend Door Stuck Easy Fix How-to – YouTube 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. An error occurred while retrieving sharing information.

Is the O2 sensor heater on my Silverado Sierra?

Recently purchased a 2001 Silverado in private sale. The previous owner had recently replaced fuel pump and had an exhaust leak fixed (included all maintenance records with sale). I went to get it tested at emissions (Arizona) but they would not test it as apparently the ECU was cleared and not all tests (O2 sensor heater) had rerun.

Why is my temp control panel not working?

Sometimes you can hit it lucky to where your A/C works when you want it to. But you can count on hot hot air if the heater was working prior to switching to A/C. Additionally the back lights for the temp control panel will not light up right half of panel until you tap on the face then it lights up. D.Felser

What’s the problem with my Chevy Silverado heater?

Fan is working, and some cool air seems to be sneaking thru, but it appears the vent actuators are not working. Have not been able to remedy the problem yet. I’ve changed the drivers side dual blend door actuator but the heat will intermittently blow hot to cold air. On the drivers side and the passenger side is completely fine.

Where does the heat come from in a Chevy Silverado?

The heat in the Silverado is supplied by the hot engine coolant running through the engine cooling channels. Some of this coolant is diverted from the cooling system into a heater core. A fan then blows on the core to blow warm into the air into the cabin.

What to do when your GM Truck heater wont turn off?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. When I turn on my heater (moving the temp control from cold to hot), most of the time it will stay on hot even after I turn it back to cold. Not sure what to do.

Why does my Suburban have auto climate control?

I have a 2001 Suburban with auto climate control. It started acting differently at the end of summer . . . everything still works the same as normal, except that when the cabin temperature gets to where it should be, the system doesn’t back off enough.

What kind of infotainment system does a Chevy Suburban have?

Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices. Functionality is subject to limitations and varies by vehicle, infotainment system, and location. Select service plan required. Certain Alexa Skills require account linking to use.

Is there a recall on the Chevy Suburban?

America’s best-selling SUV offers comfort, convenience and confidence that are ahead of its class. Your safety is very important to us. If you want to determine whether or not there is a recall on your current vehicle or on a vehicle you are considering, visit www.nhtsa.gov/recalls or call (888) 327-4236.

What are the warning lights on a Chevrolet?

The following are warning lights and indicators found in vehicles built by Chevrolet. Click a link to learn more about each one. They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray). There are nearly 50 of them so search carefully!

How much does a Chevy Silverado heater cost?

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 Silverado 1500 AC Diagnosis is between $53 -$67.

Why does my engine temperature stay on cold?

Reasons Why Your Engine Temperature Gauge Stays on Cold. 1. Faulty Engine Coolant Temperature Sensor. 2. Faulty Gauge/Cluster. 3. Broken Wires to the Sensor Or to the Gauge. 4. Bad Thermostat.

Why does my car heater keep blowing hot air?

If you restart engine it will blow cold air for a few seconds then start blowing hot air again. Have noticed that even when you turn off ac/heat still blows hot air out of vent by feet. Sometimes the heat on the driver’s side just goes to full blast- even with the A/C on or the heater. It stays on until the engine is shut off and restarted.

What causes a car temperature gauge to stay on low?

What could cause the temperature gauge to stay on low? The most common causes of why the temperature gauge stays on cold are faulty coolant temp sensor, faulty temperature gauge, broken wires, bad thermostat , and air pockets in the cooling system.

Why does my Chevy Silverado have no heat?

One mid vent also produces no air. One heater line to the firewall from the engine is hot while the other is cold. a/c and heat all comes out of defrost vent and cannot switch from hot to cold without shouting off engine for a little bit. ac and heat doesnt work,fan worksin three of four speeds. Ditto.

Why is my heater hot while my AC is cold?

One heater line to the firewall from the engine is hot while the other is cold. a/c and heat all comes out of defrost vent and cannot switch from hot to cold without shouting off engine for a little bit. ac and heat doesnt work,fan worksin three of four speeds. Ditto. Occasionally the driver side air will go from AC to heat!

Reasons Why Your Engine Temperature Gauge Stays on Cold. 1. Faulty Engine Coolant Temperature Sensor. 2. Faulty Gauge/Cluster. 3. Broken Wires to the Sensor Or to the Gauge. 4. Bad Thermostat.

How to test a Chevy Silverado HVAC system?

Plug in the electrical harness. Now set the fan and heater controls to off and the temperature controls to the coldest setting. Reconnect the battery, turn the key and listen for the actuator to click. Wait five minutes then test the controls to see if it worked.

What to do about HVAC issues on a Chevy Silverado?

If you’ve noticed the control issues happening after disconnecting the battery or having repair work done, then the quickest fix is to recalibrate the HVAC. Turn the ignition off. Find the three HVAC fuses; Two are under the hood and one is in the cab fuse box.

Why is my Chevy Silverado not mixing hot and cold air?

The passenger’s side flap for mixing hot & cold air according to driver commands is bad. Flaps are actuated by electrical step by step motors. Could be damaged the flap actuator (motor), the flap mechanism (blocked in “HOT” air position), and / or electrical supply wires.

Is there a problem with my GMC dual climate control heater?

’04 GMC Dual Climate control heater issue | The largest community for snow plowing and ice management professionals. Find discussions on weather, plowing equipment and tips for growing your business. My 2004 2500HD with dual climate controls (manual) has an issue.

Why does my GMC A / C heater jump from hot to cold?

This is an electrical component in the GMC climate control system that controls the hot/cold functions of the heater and the a/c heater box. If it loses its internal setting it can jump from hot to cold on its own or even go to heating when cooling is set. If this is the cause the actuator will need to be replaced.

Why is my HVAC not working on my Chevy Silverado?

Pull and reinsert the fuses for the HVAC before starting the truck. If this didn’t work for you try Step 2. If it seems like one side is stuck at one temperature only, it could mean the blend door actuator is no longer working. The actuator turns a door to switch between warm and cold air, but there are multiple actuators in your truck.

Why do I have problems with my GMC climate control?

This could be caused by a leak in one or more of the a/c components and an a/c leak machine will be required to locate the leak. If the line stays cold, it could mean a defective actuator on the heater box. The actuator controls the heating and cooling operations and a defective one could cause the problem being faced.

How to replace air temperature control 00-13 Chevy?

Once you remove those bolts, just reach in, kind of pull it down and out of the way. The actuator is right down here. It’s held in with two bolts, they’re 7/32s. One of them is right over here. The other one’s on the opposite side.

How to replace blend door actuator in Chevy Silverado?

1. Turn OFF the ignition. 2. Remove the battery positive voltage circuit fuse of the HVAC Control Module. – The scan tool must be disconnected from the vehicle to properly perform the calibration procedure. If a scan tool is connected before this procedure is completed, then new calibration values will not be stored.

How does temperature control work on a Chevy Silverado?