Why does my GMC Sierra 1500 blow hot air?

The AC on my 2005… The AC on my 2005 Sierra blows hot air after it has run a while when it is above about 85F. Turnu=ining the AC off and on again has no effect, but turning the whole engine off then restarting after about 30 seconds gets the ac cold again, but only for a few minutes.

Why is my GMC Sierra air conditioner not working?

Lack of Refrigerant – Your Sierra’s air conditioner will not work if the refrigerant has disappeared due to a leak. In fact, most won’t even cycle on without the right amount of refrigerant pressure. This is far and away the most common reason that your Sierra’s air conditioner is not functioning.

What should I do if my GMC Sierra blows cold?

If R-134a comes in contact with any part of the body severe frostbite and personal injury can result. The exposed area should be flushed immediately with cold water and prompt medical help should be obtained. R-134a is the only approved refrigerant for use in this vehicle.

What should the ambient temperature be in a GMC Sierra?

Install the J 43600 ACR 2000 Air Conditioning Service Center. The ambient temperature must be at least 16°C (60°F). Do not induce additional air flow across the front of the vehicle during the test. Record the ambient temperature displayed on the J 43600.

What’s the problem with my GMC Sierra AC?

I’ve got a problem I got hot air coming out the vents on the driver side,and cold air on the pass.side that includes when im running the air. Blows cold air on driver’s side and hot air on passenger side. Should heat both sides. when heater is on it will throw heat for a while and then starts to throw cold air out the driver side vents.

Why does my AC keep blowing hot air?

Recently when running the AC, it will randomly begin blowing hot air instead of cold. No matter what I try, the only proven way to get cold air to blow again is to shut the engine off, wait around 5 seconds, then crank back up. After doing this everything seems to work fine for a week or so…then the AC starts blowing hot air again.

Where does the air come from on a GMC Sierra?

Any suggestions on a good repair manual that will cover the A/C systems and circuitry. Air only comes out dash vents. Changing to floor or defrost switch position does not change air flow. I’ve got a problem I got hot air coming out the vents on the driver side,and cold air on the pass.side that includes when im running the air.

Why does my Chevy Silverado keep blowing hot air?

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 would check the charge in the system. You might be just a little low on refrigerant. (Low enough to intermittantly trip the “Low-pressure” switch.)

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.

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.

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”…

Why is my GMC Sierra not blowing cold air?

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

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.

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.

Where is the actuator on a Chevy Monte Carlo?

The actuator is usually screwed in with an electrical connector on the corresponding driver or passenger side. Sometimes they are placed above or below the heater box, also known as the HVAC box. Replacing the door lock actuator can be an easy repair. These are the steps to replace a blend door actuator on a 00-03 Chevy Monte Carlo

Why does my car AC blow cold air on one side?

If the car AC blows cold air on one side and hot on the other, there are a few different causes but it’s likely the blend door actuator, also known as the temperature blend door actuator or vent mode door actuator

What are the climate controls on a 2004 GMC Sierra?

My 2004 has dual climate controls. The passenger side will blow heat but the driver side won’t. it blows cold but not hot. i just replaced the control … read more Vocational, Technical or Tra… I have a 2004 GMC Sierra that has dual climate controls. The passenger side works in both hot cold and blended postions. The driver side … read more

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 is my heater not working on my GMC Sierra?

One of the most common (and inconvenient) problems with the GMC Sierra 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 my Acura MDX heater not working?

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. If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself.

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.

Why is my air conditioning not working on my GMC Sierra?

While there are a variety of reasons your GMC Sierra 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 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 to do if your air conditioner is not working?

Replacement of most air conditioning components requires complete evacuation of the air conditioning system with a refrigerant recovery machine. Once components are re-installed, the technician will remove all air from the system in preparation for recharging the system with new refrigerant.

The shops act like they have never heard of the problem…All they say is, bring it in we’ll test it and charge ‘n arm and a leg..then say they couldn’t find anything….REEPERS! Drivers side will blow hot air while passenger side is cold.

Is there a problem with my GMC Sierra?

GMC should stand behind there product and consider a recall. The shops act like they have never heard of the problem…All they say is, bring it in we’ll test it and charge ‘n arm and a leg..then say they couldn’t find anything….REEPERS! Drivers side will blow hot air while passenger side is cold.

Where is the dual climate control unit on a Chevy Silverado?

It fixed itself once (ha ha) but I turned the temp adjuster up on the driver”s side … read more 2004 Chevrolet Silverado Crew Cab w/5.3 L Dual climate zone control unit blows cold ac on passenger side and hot air on driver side and rear When the A/C is on.

Why does my Silverado blow cold air and then hot air?

I have a 2004 Silverado 4×4 with duel temp controls. It recently starting blowing hot air when the a/c is on but it only blows hot air on the drivers side. The passenger side still blows cold. The only way to get it to blow cold again is to shut it off, wait a few minutes and start it back. It doesn’t do it every day.

Is the driver side of my Silverado stuck on cold?

I’m having an issue with my 2019 Silverado. The driver side is stuck on cold. Passenger side controls work flawlessly and will change as quickly as I change the temp. Driver side has zero fluctuation. I’m going to try these steps when I get home.

Why is my a / C blowing hot air out of the passenger side?

It’s odd that one day my A/C works fine and the other it blows hot to the max air out of the passenger side and cold to the max on the driver side. Defroster isn’t working properly either because when I have it on it just blows air out of the regular vents.

Where does the air come from in a GMC Sierra?

This 2005 GMC Sierra came in with the complaint that the air will only flow from the defroster vents, regardless of where it is commanded to. This Sierra has auto a/c controls and no floor mounted center console.

Why is the heater on my GMC Sierra not working?

Have a 2000 gmc sierra. Heater not blowing out hot air. Both input and output hoses hot. Can air . On hot it is just blowing lukewarm air . Putting hotter. Temp gauge is registering just below 210 Could be 2 things, one would be a bad temperature valve, a plugged heater core, or a blend door actuator.

Why are the vents on my GMC Sierra stuck?

The most common symptom of course is lack of control over the vent output position and normally it will be stuck in the defroster only position. If it is not currently stuck in the defroster position but you are changing the actuator anyways. make sure that you set the vent position to defrost before starting this procedure. You will see why later.

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 ?

Why are the drivers side vents blowing hot air?

Got in the truck tonight and the driver’s side vents are blowing HOT. doesn’t matter if it’s in VENT, A/C or where it blowing up/down/mixed, all I get is HOT. Passenger side works as advertised. Any ideas where to start?:hmm:

What kind of HVAC motor does a 2005 GMC Sierra use?

GMC Sierra 2005, Genuine GM Parts™ HVAC Blower Motor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and…

How tall is the condenser on a 2005 GMC Sierra?

GMC Sierra 2005, Genuine GM Parts™ A/C Condenser by ACDelco®. Core Height: 17 1/4″ (437.8mm). Core Thickness: 5/7″ (18mm). Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform… GMC Sierra 2005, A/C Condenser by Pacific Best®. Core Material: Aluminum.

Who is the owner of the 2005 GMC Sierra?

2005 GMC Sierra Owner ManualM GENERAL MOTORS, GM, the GM Emblem, GMC, the GMC Truck Emblem, and the name SIERRA are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice.

What kind of compressor is in a 2005 GMC Sierra?

GMC Sierra 2005, A/C Compressor Kit by UAC®. Compressors are the heart of the A/C system, with a heavy responsibility to pump A/C refrigerant throughout the automobile’s A/C system. That’s why UAC take the upmost care when… GMC Sierra 2005, Genuine GM Parts™ A/C Compressor with Clutch by ACDelco®.

What kind of air conditioner does a GMC Sierra have?

GMC Sierra 2005, A/C Condenser by Pacific Best®. Core Material: Aluminum. The most important part in a vehicle’s air conditioning system is the condenser. Hot air is condensed into liquid which is cooled and passed back into the drier.

Why does my AC blow hot air only?

It applies only if your cars a/c compressor is turning on and the pipes by the compressor get cold but in the interior the car blow hot heater air. In this video we are working on a 2006 Nissan Sentra. But this issue happens on any brand in any car and the vent producing the issue is always in the same spot.

What’s the problem with my GMC Sierra 1500 air conditioner?

Air conditioner blows hot air as a result of line system leak. Air conditioning failure do to known TSB pit5331. GMC has covered this issue for like SUV models (escalade, tahoe, yukon), but wants over $1,000 to repair GMC Sierra 1500 at GMC dealership.

Where does the hot air come from on a Silverado Sierra?

I really don’t care about having air I just don’t enjoy burning up so summer because I can’t stop the scorching hot air coming out into the drivers side while the passenger side gets full AC Passenger side under the hood is the 2 hoses running back to firewall.

What causes hot air to blow out of driver side vents?

2004 silverado – hot air blows out of driver side vents, pass side stays cold. Restart the truck, it returns to normal. Click to expand… Give this a try before you starting taking the dash out and buying parts. Same thing has happened to me a few times in the past. Usually just the passengers side.

Why does the AC blow hot air on my 2005 GMC Sierra?

The AC on my 2005 Sierra blows hot air after it has run a while when it is above about 85F. Turnu=ining the AC off and – Answered by a verified GM Mechanic We use cookies to give you the best possible experience on our website.

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.

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