The most common causes for AC blowing hot air in Ford Focus are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Bond Auto Parts stores. Essentially, your vehicle's AC system compresses and heats the refrigerant, then allowing it to decompress and condense into a liquid that causes it to rapidly lose heat. Heater blowing hot air only - temperature control not working - Ford Focus Club. What Is OBD II and How Does It Work. The actuator is usually screwed in with an electrical connector on the corresponding driver or passenger side. Many times the motor (or actuator) that controls the door for either side can fail or the door itself can break and prevent the temp.
A low refrigerant level in your Focus does not necessarily mean there is a leak. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. Ford Climate Controls. Do you have furniture or other obstructions blocking them? We'll explain what's needed now, and what can wait, so the decision's yours. Ford focus air conditioning blowing warm air max. Read on to learn about the most common causes of an AC blowing warm air, and which ones you may be able to tackle yourself. Related article: Why and how to change an air filter. By controlling the doors, the temperature of the air on the left and right can be adjusted to the desired comfort level. Avoid tickets and accidents with both working headlights! The sound is something like a light tapping on the door and it typically happens when you turn on/off the air conditioning system or start the engine.
Dual zone systems allow the driver and front passenger to adjust respective temperatures to their comfort levels. These small leaks can cause your air conditioning system to stop blowing cold air. Sometimes the AC blows cold on one side and hot on the other because the settings are set that way. Problems with the HVAC control module can be further diagnosed with an advanced scan tool, but here are some common reasons why the AC might be blowing hot and cold air on either side despite the set temperature settings. I told them to check the max ac to see if the re-circulator door is closing. 2006 Ford Focus Intermittent Cooling: My A/C Began to Blow Hot Air. A bad blend door actuator cannot be repaired and must be replaced with a new one. Symptoms of a dirty evaporator. Typically the AC recharge kit you buy will have enough capacity to add enough freon to get the AC in your Focus to blow cold air. We're transmission repair geniuses! This can be remedied by adjusting the temp on the cold side or vice versa to the preferred degree.
That scenario can happen when your condenser unit loses power, often due to a blown fuse or tripped circuit breaker. The blend door actuator may require recalibration after replacement. Ford focus air conditioner problems. Here's your answer to uninterrupted comfort all summer long: preventative AC maintenance. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Replace Cap - Replace the AC low pressure port cap. Air Conditioning Recharge - Safely add freon to your AC system. CarQuest Auto Parts.
A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Focus. Keep in mind, an AC compressor can fail without any apparent cause, especially in older vehicles or in vehicles that have racked up too many miles. After this, turn the key on and do not touch any HVAC controls. Customers are invited to participate in a survey administered by MaritzCX, an independent, third-party supplier. The blend door actuator, also known as the temperature blend door actuator or vent mode door actuator, can break or malfunction over time. Car AC Blows Cold on One Side and Hot on the Other - Diagnose and Fix. The Ford Dealership told me that my system was overcharged; however, I have never touched the air conditioning system. Any Part Auto Parts. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. Your air conditioner's filter is designed to remove dust and contaminants from the air flowing through the equipment. But don't expect to easily spot a refrigerant leak. Have the same problem?
That means it will get increasingly expensive to fix, and you will need to think about replacement in the near future. The condenser in your air condition system looks a lot like a radiator and is mounted at the front of your vehicle. 595 responses to "Why is My Car AC Blowing Hot Air? Read on to learn of another possible cause of the problem.
If a large amount of fluid has been lost, your AC system will need to be flushed and the refrigerant fluid will need to be replaced to function properly and get the cool air flowing. If you see any error code from P0530 to P0533 after connecting the diagnostic device to your Focus, it indicates a problem with the AC pressure switch. Tidewater Fleet Supply.