Why does my Chevy Tahoe blow hot air?

This 2004 Chevrolet Tahoe came in with the complaint that the air on the driver’s side would change from cold to hot while driving down the road. When it shifted to hot the customer could not get it to turn back cold.

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.

What kind of car blows hot air when driving?

Sparky’s Answers – 2004 Chevrolet Tahoe Blows Hot Air 2004 Chevrolet Tahoe Blows Hot Air This 2004 Chevrolet Tahoe came in with the complaint that the air on the driver’s side would change from cold to hot while driving down the road. When it shifted to hot the customer could not get it to turn back cold.

Why is hot air blowing out of vents?

Well I flushed my radiator today and had to turn the heat on high to flush and fill radiator. When I turned the switch back to cold and turned A/C on, still hot air was blowing out of vents. It is way too hot in Arizona to not have Airconditioning!!! So I finally figured out what was the problem and here it is.

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.

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.

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…

What should I know about rear air conditioning?

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… AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube worksTest new features

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.

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…

What to do when your Chevy Tahoe gets stuck?

Mine has gotten stuck before. Both times, what worked for me, was to turn the key to “on” (not started) and then back to off. Repeat this 5 times leaving the key in the “on” position for about 5 or 10 seconds each time. The blend door actuator needs to be reset I believe.

Can a driver’s side vent blow hot air?

The passenger side does whatever the HVAC panel tells it to, but yes, when both sides are set to cold, the driver’s side is HOT, the passenger’s side is COLD. Anyone have a write up on this ? My old Silverado 6.0L swap <—Video – Click it ! My 05 did it. Stop engine, restart it and blows ac. Happened a couple times.

Where is the hot air vent on a GMC Truck?

It’s underneath the passenger dash, where your feet go. Take off that black kick panel thing, and it will be right there. The passenger side does whatever the HVAC panel tells it to, but yes, when both sides are set to cold, the driver’s side is HOT, the passenger’s side is COLD. Anyone have a write up on this ?

Where is the air mix actuator on a Tahoe Yukon?

It is a faulty Air Mix actuator or Blend door actuator. It is located on the passenger side floor board under the dash.If you have the hush panel it will need to be removed using 7mm socket. Next you will disconnect the wiring harness and remove the two 5.5mm screw heads.

What to do when your Chevy Silverado vents blow hot air?

1.Turn the ignition switch to the OFF position. 3.Remove the RADIO fuse for 10 seconds and then reinstall the fuse. 4.Place the ignition switch in the RUN position and wait 40 seconds for the ECC module to initialize. Also, try turning the temp to max then back to minimum. f1maxis wrote: I just had a similar issue with my 08 Silverado.

Why do the vents blow so much hot air?

Another reason I am starting to lean that direction is if I select “outside” air and set the temp control to cold the vents still blow hot/warm air – much warmer than the outside air. What can I check and does anybody have any suggestions??

Where is the mode actuator on a Chevy Tahoe?

The mode door actuator is above a duct, right above the accelerator pedal. You may be able to manually help it get unstuck and lube the part it moves. Once you see it, turn the mode selector knob and watch the actuator move and get stuck, help it past that spot, lube and it may stay working for a while. chances are, it is just tired.

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.

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 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.

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.

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 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.

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.

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 does my a / C blow hot air on the driver side?

Could be a multitude of things and I’d bet they’re electronic in nature. You have two air mix control dampers; one for the driver’s side and one for the passenger side that are independently controlled and operated by electric servo motors. It sounds like your a/c is operating fine since you get cold air on the passenger side.

Why is my driver side airconditioner not working?

There is only one a/c and only one temperature of air comming from the a/c coils. What could be happening, and I think this would be rather rare, is that the “doors” in the system that direct air flow are not operating properly on the driver side. ie. they are in the fresh are or ambient air mode.

What to do if your Tahoe has no heat?

2003 Tahoe No Rear Heat Fix, Suburban, Yukon XL Repair! – 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.

Is there issue with auto climate control not changing from vent to vent?

Has anyone had an issue with the auto climate control not changing from vent to vent? Re: Fan Only Blows Defrost, Won’t Change To Floor Or Vent. Pull the negative battery cable and re-install, making sure it is very tight (also check the positive to make sure it is tight). See if this fixes the problem.

Can a climate control fan only blow defrost?

SilveradoSierra.com • Fan Only Blows Defrost, Won’t Change To Floor Or Vent. : Climate Control Fan Only Blows Defrost, Won’t Change To Floor Or Vent.

What to do if your GM fan won’t defrost?

See if this fixes the problem. Many of GM’s AC control heads have a built in reset feature that when power is removed and then applied it will go through a cycle that activates all the vent doors and mode doors. It’s worth a try.

SilveradoSierra.com • Fan Only Blows Defrost, Won’t Change To Floor Or Vent. : Climate Control Fan Only Blows Defrost, Won’t Change To Floor Or Vent.

What to do if your climate control has failed?

Ignition off, pull the HVAC/ECAS fuse for 10 seconds, reinstall and start vehicle without touching any controls, wait 40 seconds for the control module to self calibrate. If there is still a problem, the actuator for the temp blend door may have failed. Scan the HVAC for codes.

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.

What happens when the heater won’t turn off?

What happens with these types of system is that when the control head can’t determine the position of the door because of a faulty reading from the actuator, it forces the temp door to a default position, which happens to be the hot position. So I just need to replace the temp actuator?

What happens when a heater is in the hot position?

What happens if your AC unit blows cold air?

During operation, the high pressure side of the refrigerant system can reach pressures of over 275 PSI. Use extreme caution when working around the A/C system. Never disconnect or vent the refrigerant to the atmosphere. Refrigerant can cause extreme frost bite or blindness if it comes in contact with your skin or eyes.

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.

Why is the AC cold in my Chevy Tahoe?

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. 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.

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.

How does the air blower work when the AC is off?

Pressing RECIRCULATION will recirculate air continuously. RECIRCULATION is used when the fan control is OFF to limit odors, outside air and dust from entering your vehicle. All button lights will go off. The last setting selected will activate when the blower is turned back on.

What kind of truck has cold air intake?

Truck is an 01 Sierra 1500 HT 4.8L V8 regular cab stepside, Cold Air Intake, Electric Fans, Custom Tune…. few other things that definitely don’t matter. My 2010 does it also… Jus saying Doesnt really “blow”…

When did my GMC Sierra air conditioner stop working?

I had a 2001 GMC Sierra that did this when truck was less the one year old (summer of 2001 is when it was). The dealer had the truck in the shop idling for a long time and the A/C worked perfectly. I told them to take it for a ride and see. So the service manager in an effort to convince me nothing was wrong went for a ride with me driving.

Why does my air conditioner keep stopping working?

Turned out to be the low pressure switch, (under hood on bottom of small tank) it was corroded and causing a loss of electrical contact. Once the switch was off you could see a greenish hue on the connectors disappearing into the body of the switch.. At the time they were on national back order. Must have been lots of problems with that switch.

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.

Why does the driver side blow hot air while passenger cold?

Driver cold Passenger hot Called my dealer and they said “Most likely its the door actuator, i have 15 in stock and sold 23 this year”.

Why is my suburban AC blowing hot air?

My 2005 suburban AC is blowing hot air; one minute it was blowing out cool air and then it started blowing as if the heat was on…. Clicking this will make more experts see the question and we will remind you when it gets answered. You can’t post conmments that contain an email address. An expert who has achieved level 1.

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.

Why does my Chevy Tahoe blow hot air?