Why does the driver side vents blow cold air?

Why does the driver side vents blow cold air?

The driver side is not blowing cold air. It is temperament. Sometimes it will blow warm air, sometimes it will blow cold air. we just recharged the freon on April and today brought it to mercedes and the only fix they did is recharge the freon and they said it is working perfect. we just did that a few months ago..

Where does the cold air come from in a car?

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.

Why is my air conditioner blowing hot air out of the vent?

Due to the high pressures of your air conditioning system and the volatile nature of the R-134a refrigerant used, it is not uncommon for some of the refrigerant to leak out over time causing a low pressure condition in your system.

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.

Why does the a / C blow cold but warm drivers?

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. Answer: Most common problem is a bad temperature door actuator if it does have dual zone A/C.

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.

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 does my a / C blow on the passenger side?

Most likely the door that diverts air between the driver and passenger sides is not functioning properly. However, it’s not impossible the issue could also be due to a low charge in the A/C system.

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.

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.

The driver side is not blowing cold air. It is temperament. Sometimes it will blow warm air, sometimes it will blow cold air. we just recharged the freon on April and today brought it to mercedes and the only fix they did is recharge the freon and they said it is working perfect. we just did that a few months ago..

Most likely the door that diverts air between the driver and passenger sides is not functioning properly. However, it’s not impossible the issue could also be due to a low charge in the A/C system.

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.

Where does the a / C blow hot air and cold air?

Anyone else experience the A/C blowing hot air from the drivers side left vent and the left most center vent and cold air from passenger’s right most center vent and right vent? What model year? You may be low on refrigerant.

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 is my car AC not blowing cold air?

Therefore, it is possible that your car is low on refrigerant that is preventing your air conditioning from working properly. This is the most common reason for why your car’s AC is not blowing cold air.

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 a / C vents blow cold but warm drivers?

It will not be apparent if just looking at freon gauge pressures- they will be normal. 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.

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.

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.

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 is my central air not blowing cold air?

But if the condenser coils are obstructed by dirt, leaves or debris, the heat won’t escape effectively. This can cause your central AC to work intermittently, with short bursts of cooling, punctuated by lukewarm air coming from the vents. To fix it, start by cleaning the exterior condenser unit.

Is the driver side of a 2013 GL450 blowing cold air?

Where is the actuator for 2013 GL450. The driver side is not blowing cold air. It is temperament.

Why does my HVAC blow cold air and hot air?

Drivers changed air temperature far more often than they change the mode (defrost, floor heat, dash vents, etc.), so the temperature actuators generally fail first. When that happens, the HVAC system can be stuck on blows cold air or blows hot air. In a dual zone system, you wind up with a blows cold one side, hot on other side condition.

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.

Drivers changed air temperature far more often than they change the mode (defrost, floor heat, dash vents, etc.), so the temperature actuators generally fail first. When that happens, the HVAC system can be stuck on blows cold air or blows hot air. In a dual zone system, you wind up with a blows cold one side, hot on other side condition.

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.

Where is the driver’s side air mix servo located?

The dealer has a tester for checking the function of all the different sensors, servos, etc. Before you do that, look under the dash on the driver’s side, up to the right just under the water hoses on the side of the ventilation system. That is where the driver’s side air mix servo is located.

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.

How do I stop no air from dashboard vents?

This door is controlled by a thumb wheel that when activated will open and close the vent air flow door. Work the thumb wheel from one side to the other while checking the airflow. The flow should stop and start again, if the thumb wheel does not make a difference the problem is somewhere else.

How to troubleshoot and repair vents low air flow?

Easy step by step guide one how to troubleshoot and repair vent low air flow, this article pertains to most vehicles. Step 1 – Most air control vents are equipped with a flow control door that is located at the vent outlet. This door is controlled by a thumb wheel that when activated will open and close the vent air flow door.

Why does my AC blow cold air on one side and hot air on the other?

Blend door actuators are the most common reason for the car air conditioning to blow cold air on one side and hot air on the other. They can be diagnosed with an advanced scan tool. The scan tool can tell if the blend door actuator should be in a different position than commanded.