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 to do if your air conditioner is blowing cold air on one side?

If the air conditioning in your car is blowing hot air on one side and cold air on the other, there could be a simple fix like adjusting the temperature or it could be time to replace a part like the temperature blend door actuator.

What should the air vent Temperature be in a car?

Place a probe thermometer into the lower air vents on both the driver and passenger sides. Any reading around 115F-120F (46C-49C) is acceptable. Some vehicle manufacturers boast their heaters will do 135F-155F (57C-68C) which would make things very toasty indeed.

Why is my car’s air conditioner warmer than the outside?

As a rule of thumb, the hotter the ambient temperature outside, the warmer will be the air entering the cabin the vehicle from the air conditioner, and the temperature difference will be at its least. The thermal efficiency of an A/C unit falls as the air entering the system rises.

Why are the vents blowing hot air in my Chevy Silverado?

I changed the battery and after the new battery was installed the driver’s side vents blew HOT air even with the AC set to 60. I tried disconnecting the battery cable for a few minutes, cycling they key off/on several times, adjusting the vents to dash/floor/front/etc, pulled the 10A HVAC fuse with the truck off…nothing worked.

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??

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.

What should I do if my AC heater Blows Hot?

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What’s the difference between hot air and cold air in a car?

’06 = While both driver & passenger side temps & fan speed are set the same, the drivers side blows hot air & the passenger side blows cold.

Is there cold air coming out of the passenger side?

WOW! part numbers 80321-shj-a02 and 80341-shj-a01. The “low freon” speculation…needs to be investigated. I suspect the cold air coming out of the passenger side is plenty cold, which would not be possible with a freon leak. Before bringing it into the shop, check out the driver’s side air mix motor.

Why does the driver side air conditioner blow hot air?

Driver side blows hot air while passenger side cold. From reading online, it states that most likely the the temperature actuator motor have gone bad or siezed up. Not sure if this is the same issue. But my ac blew cool, just not cold. But I noticed the drivers side was a bit warmer. Took it in and it was low on refrigerant.

Why are the vents on the driver side warm?

The 2 vents on the drivers side have warm air blowing out. A/C is controls are set to max air and max cold on the temp control. Answer: Most common problem is a bad temperature door actuator if it does have dual zone A/C. This actuator controls the temperature door for that side.

Can a AC fail on the driver side?

Yes the AC always start to fail on the driver side first, I have the same problem for five times already. My AC has also been blowing warm on the driver side. It took a really hot day here in the Northeast to really expose the problem. I was having the problem a couple months ago but it wasn’t hot enough outside for me to really notice.

Where is driver side hot and passenger side Cold?

If its the dual climate and the drivers side is hot while passenger side is cold, look under your dash were the foot output comes from, and follow it to the center of your dash and youll see it, it should be facing the drivers door.

How does the a / C system cool the radiator?

This hot refrigerant is then cooled down by running it through the condenser. The condenser is cooled by ambient air in the front of your car just like the coolant in the radiator is cooled. On most cars the condenser is actually in front of the radiator and gets cooled first to make sure your A/C system gives you consistently cool air.

What should I do if my car a / C is blowing hot air?

Check the front of your vehicle for debris, the engine cooling fans for proper operation, and your cabin air filter for debris and dirt. The refrigerant in your system also needs to be able to flow properly through the system. Check your compressor for proper operation, clogs in your system and the proper amount of refrigerant.

Why is the AC blowing cold air on the driver side?

The AC is blowing cold air only on the driver’s side. On the passenger side, the air is blowing out warm. Anyone know what might cause this or how to fix it?

How to get hot air on driver side?

Press it along with the defrost button. Then press the climate control button again. Presto! Lol 103 people found this helpful. Thanks for the fix. Hot air on passenger and backseat vents and cold air on driver side.

How does the a / C work on the passenger side?

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.

Where is the warm air on a Ford Focus?

I have a 2018 Ford Focus. My issue is warm air only on the driver’s side, right vent. Only one vent that is dorked up. If I put the a/c very cold, it seems to be ok, but then when I move the temp up a few degrees, the bottom of the vent on the right side of the steering wheel is warmer.

How to diagnose blows cold one side, hot on other side?

So your first step in diagnosing a blows cold one side, hot on other side condition is to operate each temperature control to see which side changes temperature. The actuator that changes temperature is good, the actuator that doesn’t is bad. This test also proves out the HVAC controller.

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How does the Honda CRV heater blow cold air?

Of the three dials that are on the console, I am able to select floorboard, defrost, top and bottom, in other words that selector works well. The motor that controls the speed of the fan works well also. What is unique to this is that the passenger side is hot and the driver side is blowing out cold air.

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.

What’s the temperature on the driver side of a Honda CRV?

The right side, or the passenger side, the temperature is 107°. On the driver side the temperature coming from the dentist 75°. When I turn on the air conditioner, there is still a difference in temperatures from the driver side to the passenger side. So let me see if I understand this well.

’06 = While both driver & passenger side temps & fan speed are set the same, the drivers side blows hot air & the passenger side blows cold.

Where is the blend door actuator located in a car?

Where Is the Blend Door Actuator Located? Temperature blend door actuator located on the driver side, above the accelerator pedal and on the side of the HVAC box The actuator is usually screwed in with an electrical connector on the corresponding driver or passenger side.

Why are the vents on the passenger side warm?

Repairs for this problem = A/C compressor, orifice tube and drier replaced about 1 year ago. The problem I have is that when you turn the ac on the cool air only comes out the 2 vents on the passenger side. The 2 vents on the drivers side have warm air blowing out. A/C is controls are set to max air and max cold on the temp control.

Why does my Toyota Sienna blow warm air?

But a system that is 1/2 pound low will cause the passenger side vents to blow cool or cold air, and the drivers side to be less cool or even warm on this car. There is simply not enough freon capacity in the system to cool the air to the drivers side. Only way to be sure is to drain and measure the freon in the system.

Is there heat on driver side and cold on passenger side?

18 people found this helpful. Heat on driver side and cold/much cooler air on the passenger side. Two garages are giving me the same answer. Deep in the dash is a mix box that mixes outside air and inside air.

Why does my air conditioner not work in the Cold?

So now we are in a real cold snap and it is not working. Works slightly better on the drivers side but passenger side blows cold air, even when we take it off “auto” and crank it up to almost 80. Also, when it is on auto, regardless of what it is set on, the fan runs continuously without it ever getting up to temp.

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.

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.

Is the air conditioner blowing out of the vents?

The air conditioning in my cadillac doesn’t blow out of the vents on the dash. But it blows air out of the side vents on the doors. How do I use the self diagnostics feature on my air conditioner?

Why is air not blowing out of the dash vents?

A few different items can cause the air to not blow out of the dash vents. The most common are a blend door or a control switch.

Why is there no air in my Jeep Grand Cherokee?

Found broken vacuum hose under battery platform going into reservoir, replaced that (my cruise control started working). Cleared check valve in vacuum line near firewall, got a bit of air blowing but still not enough. Finally after reading your idea here, pulled the blower motor to check direction of flow.

Why is my Jeep Wrangler blowing hot air?

My 06 Jeep Wrangler’s A/C is fully charged ( it’s been checked ) and the blower is working fine on all settings, but it’s blowing hot air.: Any suggestions will be appreciated…thanks in advance. Pull the temp control knob off & make sure the shaft is turning when you go from hot to cold, the knob center may be cracked.

Why is there no air coming out of the vents?

If this filter becomes clogged due to lack maintenance it will stop or slow the flow of air exiting the vents. To check this filter locate the filter housing which can be either under the dash on the passenger side or under the hood of the car, near the base of the windshield on the passenger side, remove the cabin air filter and inspect.

Is the a / C blowing hot air or cold air?

I know as a jeep the AC is not its beat feature! Mine blows cold but its no artic blast.. Pull the temp control knob off & make sure the shaft is turning when you go from hot to cold, the knob center may be cracked. If good the blend door actuator may be stuck in the hot position.

What to do when your car AC is running?

Check the radiator fans to make sure at least one fan turns one when the AC is switched on. However, some cars operate both fans at low speed while driving and switch into high speed mode when the AC is running. So get tricked into thinking your fans are ok simply because they’re running.

What kind of car blows hot air on one side?

CAR BLOWS HOT AIR ON ONE SIDE COLD ON THE OTHER SIDE. HEATER PROBLEMS DODGE, JEEP, CHRYSLER, RAM – YouTube

Can a heater blow cold on one side and hot on the other?

Heater blows cold on one side, hot on the other. Sometimes it works on both sides, then the next time it will work on Heater blows cold on one side, hot on the other. Sometimes… Heater blows cold on… Heater blows cold on one side, hot on the other.

Can a car blow air from one side?

Most of today’s cars and trucks have the ability to blow different air temperatures form the drivers and passenger side. Even if you do not have dual-zone controls, there still may be two separate doors and motors to control the side separately.

What’s the difference between cold and hot air in a Buick?

Same issue here – but not with Buick – passenger side blows cold air while drive side blows somewhat-cool (warm, but not hot) air. I checked the Blend Door Actuator, and it looks to be turning when I adjust the temperature knob.

What was the a / C temperature on a 2008 Mercury Grand Marquis?

This 2008 Mercury Grand Marquis came in with the complaint that the a/c temperature was stuck on full heat. The complaint could have easily been reversed with no heat present and the system stuck on full cold. It has Automatic Temperature Control (ATC).

What happens if the clutch on the AC fails?

No cooling at all In more severe cases, where the switch has completely failed, your AC system will completely cease to blow cold air. Without the cycling switch to activate the compressor’s clutch, the AC system will not be pressurized correctly, and the system will be unable to produce any cold air as a result.

How can you tell if your AC switch is failing?

If you begin to notice that the AC system is not blowing as cold as it used to, then that may be a sign that the switch has failed, or is beginning to fail. If the switch is not operating correctly, the AC system will not be pressurized correctly and will not work as efficiently in cooling the air.

What are common reasons my Mercury Grand Marquis has air conditioning problems?

What are common reasons my Mercury Grand Marquis has air conditioning problems? While there are a variety of reasons your Mercury Grand Marquis 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.

How much refrigerant is in a Mercury car?

Mercury refrigerant and oil capacity charts Year Model Refrigerant Refrigerant Oil Type Ounces Type Ounces CAPRI 1994 All Engines R134a 25.00 PAG 46 1991-1993 All Engines R12 25.00 Mineral

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.

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.

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