Why is my Chevy Suburban not blowing cold?

Blend Door – The blend door controls how much air conditioned and heated air enters the cabin. If it gets jammed or locks up, your Suburban can’t respond to your temperature change request. These are a few of the most common issues that could cause your Suburban to not blow cold enough. There are other issues that can cause this as well.

Why is my air conditioner not working in my Suburban?

This is far and away the most common reason that your Suburban’s air conditioner is not functioning. It can be tempting to just get more coolant and get back on the road, but unless you find where the leak is coming from it’ll eventually happen again.

Why does my car AC blow cold air then blow warm air?

But that cold air turns warm fairly soon after because the high side pressures build to the point that the high pressure switch shuts off the compressor clutch. Once pressures equalize, the high pressure switch allows the compressor to start up again. The cycle repeats over and over, providing a short period of cold air, followed by warm air.

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 my Silverado Sierra blowing cold air?

After fiddling with the controls a bit I gave up and rolled the windows down. About five minutes later it was eating at me so I switched the control from off to max and the fan kicked on like it was supposed to and was blowing 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 did my Chevy Silverado blower plug burn up?

Most aftermarket companies, NAPA CARQUEST ADVANCE will have replacement plugs you can splice in for about half the price of a GM plug kit, and they burn up because GM cheaped out on the size of the terminals and they get hot, when they get hot they loose tension which causes them the get really hot and melt the plastic plug.

Where does the pressure go in an air conditioner?

Your air conditioning system is split in half when it comes to pressure. Your air conditioning system holds a very high pressure between your AC compressor and condenser up expansion valve, and a relatively low pressure after the expansion valve and evaporator and back to the inlet of the compressor.

Why is my air conditioner not blowing cold enough?

These are a few of the most common issues that could cause your Suburban to not blow cold enough. There are other issues that can cause this as well. Most of the time, when your Suburban’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem.

Why is my Chevy Suburban blowing hot air?

The contact stated that the vehicle would intermittently blow hot air due to a failure with the air conditioner blower motor. The contact stated that the blower resistor module and the wiring harness were replaced; however, the failure recurred. The manufacturer was notified of the failure.

Are there any problems with my Chevy Suburban air conditioner?

Chevrolet Suburban owners have reported 19 problems related to air conditioner (under the equipment category). The most recently reported issues are listed below. Air conditioner is blowing warm air. A Chevrolet certified service department found a/c condenser split at the seam and leaking out freon.

Where is the pressure switch on an air conditioner?

The AC pressure switch іѕ a ѕаfеtу ѕwіtсh thаt monitors the рrеѕѕurе оf thе refrigerant on the high and low-pressure sides on your air conditioning system. So, you do often have two different AC refrigerant pressure switches on your car; one on the low-pressure side before the AC compressor and one on the high-pressure side after the AC Compressor.

What is the vent hole on a C blower motor?

Remove A/C compressor, install A/C bypass pulley and original size belt and then you are back on the road. “C” Blower motor has 11/16″ vent hole. “C” Blower motor has 11/16″ vent hole. “C” Blower motor has 11/16″ vent hole.

What to do when your AC is blowing hot air?

Pull the HVAC fuse (10amp) under the hood, and pull the two adjacent fuses (30 and 10amp) under the dash listed as ‘climate control’ in the manual. Push the fuses back in, restart your car, but DONT TOUCH ANY of the A/C controls for 90 seconds.

Why does my Suburban Air Conditioning only work on setting bar 3?

Thanks for helping-our 2005 suburban air-conditioning fan only works on fan setting bar 3, on the other settings the fan shuts off. The rear fan has no problems. Is this a function of the controller going bad or does it have to do with vacuum lines?

Can a front air conditioner blow when stopped?

The front AC does not blow anything at all when stopped, when you start moving it starts blowing after about 20 mph. It will only blow at 1 speed regardless of what you select even if it is on automatic. Rear AC works fine.

Why is MY Suburban blend door not working?

I’ve seen many comments of the heater stuck in defrost mode but what if the heater works great on either side of the car but the defroster won’t blow at all! my 2001 suburban rear heat blend door isn’t working. I have tried replacing with a new rear air controller and also a new blend door actuator.

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.

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 a / C not getting cold in a GMC Truck?

Also truck is a 2003 silverado 5.3L im actualy having the exact same problem, mine has plenty freon but still when it blows its not cold. its not hot but not cold maby blowing 75 degrees? idk but i know it sucks. Yes it does!

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….

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 GMC Yukon blow hot and cold air?

Why is there no air coming out of my blower?

Have replaced the actuators, and the main controller. It does it no matter if you are running heat or A/C. Have changed the orfice to help get rid of some of the water build up. Still have same problem. Vents seem to work good until i select defrost and then the flow goes away.

Why is there no air coming out of the radiator?

This may not be the correct answer but I get the same problem on my work truck (2005 freightliner) and the problem is that if the a/c is used when temp outside is cool the a/c core or whatever the radiator type thing is under the dash gets frozen over and will not let the air blow through the vents….

Why is my air conditioner not working on my Chevy Suburban?

While there are a variety of reasons your Chevrolet Suburban 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?

What to do if your Silverado blower won’t work?

Head under the hood and check the blower motor wiring to make sure it is getting power to it. If it is, then your only option is to remove the blower motor and have it tested or replaced. You can do so yourself if you have the equipment, or have it done at the dealership or parts store. Figure 3. Silverado blower motor and fan assembly.

What kind of motor does GMC Z71 1500 have?

2005 GMC Z71 1500, W/ Dual digital climate controls. While driving today blower motor Kicked out, I turned up the fan speed and it kicked back in. Got to my destination, turned off the key and the blower kept running.

Why does my GMC blower motor keep running?

While driving today blower motor Kicked out, I turned up the fan speed and it kicked back in. Got to my destination, turned off the key and the blower kept running. Took my climate controls out and the fan continued to work, ended up pulling the 40amp fuse in the engine bay to shut it off so I don’t kill my battery.

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 does my air conditioner blow cold air while driving?

Similarly, if your AC condenser fan isn’t working, your air conditioning would blow cold until the condenser got heat soaked then it would stop working until you were up to cruising speed then the air blowing over the condenser while driving would cool it down and keep things working. Thanks again for your question!

Why is my air conditioner not blowing cold air?

A defective relay, compressor clutch coil or damaged compressor are all possibilities. The air conditioning system is equipped with safety switches that automatically turn the compressor off when the A/C refrigerant level becomes low.

Why is my Chevy Suburban air conditioner not cold?

Most of the time, when your Suburban’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. If you put too much coolant into the system, you can really do some damage.

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.

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.

How do you heat the back of a Chevy Tahoe?

To heat only the seatback, press the vertical button with the heated seatback symbol. An indicator light on the seatback button will glow to designate that only the seatback is being heated. Additional presses of the seatback button will cycle through the heat levels for the seatback only.

How to fix a Chevy Silverado dual climate control problem?

An expert who has achieved level 1. An expert that has 1 follower. An expert that has over 10 points. An expert whose answer got voted for 2 times. Take battery cable off for 5 mins, then put battery cable back on.

Is the rear a / C not blowing cold?

You can’t post conmments that contain an email address. SOURCE: Rear a/c not blowing cold, front works fine.

Why does my Chevy Suburban AC not work?

This problem is caused by what is called the air temp control blend door, either the door is sticking in the duct or the electric actuator that moves it is defective, the actuator is the common part that fails, the bad news is the dash assembly must be removed to replace the parts. You can’t post conmments that contain an email address.

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.

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.

What are common reasons my Chevy Suburban 1500 has air conditioning problems?

What are common reasons my Chevrolet Suburban 1500 has air conditioning problems? While there are a variety of reasons your Chevrolet Suburban 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 is my car blowing hot air and cold air?

Blend air door is the reason for drawing hot air to cold air in your car system. This door is located in the ventilation system. The hot air is blown directly from the engine if the blend door isn’t working properly.

Why is my Chevy Suburban not blowing cold?