Why does my Chevy Silverado blow hot air?

My 04 silverado starts off cold on both sides then sometimes the driver side vents will blow hot air. when we stop and turn off truck and start it up and it is fine again. Could it be the thermostat for that side not working??? anyone have any answers for this problem?

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….

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.

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 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.

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.

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 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 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.

I have a 2007 Chevy… I have a 2007 Chevy Silverado. The A/C will start blowing hot air for no reason what so ever and with no warning. Once it starts blowing hot air, the only way I can get the cold air back is to shut the truck off and restart it. It will blow cold for anywhere from 3 hours to 3 minutes before doing it again.

Why does my AC suddenly start blowing hot air?

I have a 2004 Yukon with 160000 miles and about a year ago the AC would suddenly blow hot air just on the driver’s side while the passenger side still blew cold. After a few weeks it then stating blowing hot air on both sides. The only way to correct it was to turn the car off and back on and then it would immediately start blowing cold again.

Can a car air conditioner blow cold air?

ac will blow cold for awhile and then the compressor shuts down and blows warm air. I can turn the ac button off for a few minutes and then turn it … read more Air conditioning works fine on startup, very cold air. When vehicle is driven for a few miles, air conditioning stops blowing cold air, ie compressor clutch disengaged.

What to do when your AC blows cold air?

Some college and advance… ac will blow cold for awhile and then the compressor shuts down and blows warm air. I can turn the ac button off for a few minutes and then turn it … read more Air conditioning works fine on startup, very cold air.

Why is my AC not working on my Silverado?

When I turn on AC, both sides will blow cold for a few minutes and if I hit a small bump in the road, the driver’s side will turn to extremely hot heat and I have to turn off the engine to reset it and it goes back to cold air until I hit another bump in the road.

Why does my 2005 Tahoe blow hot air?

My 2005 Tahoe hava AC giving hot air problem. AC would suddenly blow hot air just on the driver’s side while the passenger side still blew cold. The only way to correct it was to turn the car off and back on and then it would immediately start blowing cold again. This happens intermitently.

When to change AC in Chevy Silverado 1500?

It also puts unnecessary strain on the entire AC system which negatively impacts your Silverado 1500’s fuel consumption. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles.

Is the a / C on in my GM Truck?

After two cans of R134a and 3 days later a can of Stop Leak, everything is cool and holding its pressure. We are getting some very humid 95 degree days so the A/C is being used frequently. Its 10:12am and its already 91 degrees outside…

Why is my Chevy Silverado heater not working?

One of the most common (and inconvenient) problems with the Chevy Silverado is when it has no heat coming from the heater. Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working.

Why is the heater not working on my Buick Enclave?

Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue.

Cold is cold, hot is hot on both sides. Just something to try, your results may vary. It is a 2000 and has a manual heater with only one zone. I suppose it is the actuator on the top of the heater box isn’t it??

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.

How can I troubleshoot my Chevy Silverado heater?

Before you go replacing a heating system in your Silverado, however, troubleshoot the heater in your truck. Turn the engine on and allow the engine to warm up to normal operating temperature. Normal operating temperature is reached when the needle on the temperature gauge sits at or near the middle mark on the gauge.

Where are the Heat Hoses on a Silverado Sierra?

The hoses are easy to find they are on the left side of your engine compartment going through the firewall near what would be the back side of your glove compartment. If your engine is hot and the heat is on, both of these hoses should be warm or hot to touch.

Why does my AC blow cold and then start blowing ambient temp air?

My AC will blow cold and then start blowing ambient temp air. Why? My AC will blow cold and then start blowing ambient temp air. Why? I have a 2002 Chevy Suburban 1500 LT. It has a climate Second opinion] I have a 2002 Chevy Suburban 1500 LT. It has a climate control (automatic settings for fan blowing and which vents to come … read more

Where can I find the part number for my Silverado AC?

Thanks to their wonderful website, there is no direct link or part number. When added to cart it shows as “Air conditioner and heater, Evaporator and heater components, Actuator, Mode temp and def, Mode temp and def – 2003-07 – 2003-07” Somewhere along that path, you will see a View Illustration button.

How much is the AC unit on a Silverado?

The hardest part was the last screw holding up the plastic cover above the center hump. Gonna kick that engineer. The part is $137 on gmpartsdirect. Thanks to their wonderful website, there is no direct link or part number.

My 2005 Chevy Silverado 1500 is in good shape, minus the driver’s side vents. Hot air continuously blows out of the vents, even with the AC off. I bought an BLEND DOOR ACTUATOR to replace the one that controls this function, however even the new actuator will not function when the wires are connected.

Why does drivers side blow hot air when a / C is turned on?

Re: Drivers Side blows hot air when a/c is turned on.. Climate control system was not responding correctly. Blowing hot on driver and cold on passenger, from dash and floor only. Dual temperature would not respond to adjustment, and vent knob would not change direction of air flow from dash to floor or defrost.

Can a car vent blow cold one side and hot the other?

In a vehicle with dual temperature controls you may encounter a situation where the vent blows cold one side, hot on other side or vice versa.

Where is the AC on a 2004 Silverado?

2004 Silverado AC blows hot on passenger side and regular on driver side. I just changed the battery, started the truck 2004 Silverado AC blows hot on passenger side..driver side… The drivers side of the air blows hot and the passenger side cold when the ac is on.

Why is the AC blowing hot air in my Silverado?

After starting the truck the AC works normally for awhile then the driver side starts blowing hot air. Sometimes it changes to hot in a few m … read more 04 chevy 2wd silverado 1500, yesterday the AC quit blowing cold air out the driver side vents but continued blowing cold out the passenger side vents.

What kind of AC does a Silverado 1500 have?

2004 Silverado 1500 crew cab with dual climate control. AC on max high, blows cold out of driver side, but only hot air on passenger side. Yesterday … read more Vocational, Technical or Tra… Hi, I had a dead battery on my Silverado 1500 LTZ today. After I charged the battery it started OK but now the AC is just blowing hot air.

Why does my Chevy Silverado blow hot air?