Car Air Conditioner Blower

The best setting for diagnosis is fresh air not recirculated with the air blowing out of the center vents in the dash and the ac turned on.

Car air conditioner blower.

A faulty blower fan can make the car ac stopped working suddenly. The blower motor resistor or blower module gets hot as it powers the fan so often times they can burn out causing certain speeds of the fan in your car to stop working the fan can be stuck on one speed only work on high speed or not work on any settings. The resistor module is easy and inexpensive to replace. 1 blower fan problem.

The air conditioner won t run properly unless your engine is running. If your car s air conditioner isn t blowing cold air the first thing you should look for are signs of leaking or an a c compressor that does not engage. Carac not blowing air from vents because of the following. Most car manufacturers use a series of resistors to make the heater blower motor run at different speeds.

And when one or more of these resistors burn out you re usually left with only one heater blower motor speed high. Classic auto air engineers have been using their multi faceted knowledge of classic car air conditioning to design the most high performance model specific a c kits available since 1977. Sometimes blower motors and or their resistors will fail and stop pushing both hot and cold air through the vents. Turn the air conditioning on while the car is running.

When the car ac is not blowing air from vents it is a sign of a faulty blower fan or air duct blockage. A faulty automotive air conditioner can be one of the more difficult issues to diagnose and repair. It contains the cooled off refrigerant that absorbs heat from inside the passenger compartment. If the fan is damaged and does not operate at full power it will not cool down the heat coming from the refrigerant.

The cool air felt from the dash vents is provided by the ac heater blower motor assembly. The first thing to check if your car air conditioner does not blow cold air is the condenser fan. The number one cause of failure is a leak due to age and wear. Check the strength of airflow.

If you are feeling air and the blower motor is allowing the fans to produce air at all speeds you next want to feel the actual force of the air coming through. The ac evaporator acts like a huge ice cube. The restoration trade and classic car enthusiasts widely consider classic auto air to have the highest quality products in the industry. It s then typically installed in the ductwork near the car blower either under the dash or under the hood.