How to Replace an Evaporator Temperature Sensor (Switch)

On many of today's cars, the driver has the luxury of setting a desired temperature inside the vehicle through the air conditioning control panel....

How Does a Car Air Conditioning System Work?

All across North America, a limate change occurs every year. The cooler spring temperatures give way to warmer weather. In some areas this lasts...

How to Get an EPA Technician Certification

In the United States, air conditioning repairs are regulated by the Environmental Protection Agency, or EPA. That’s because the refrigerant in the system is...

How to Clean Evaporator Drain Tubes

Modern AC systems are comprised of multiple individual components that convert warm air inside the cabin to cool and refreshing air. However, there are...

How to Replace a Car Air Conditioning (AC) Compressor

The compressor is designed to pump refrigerant through the A/C system and to convert low pressure vapor refrigerant into high pressure vapor refrigerant. All...

How to Replace a Heater Blower Motor Switch or Relay

It can be a frustrating moment when you turn on your air conditioning, heater, or defroster and no air blows out. If you drive...

How to Replace an Air Conditioning Belt

Unless you drive a newfangled hybrid or electric car, the AC compressor in your vehicle is driven off a belt. The belt is strapped...

How to Replace a Car Air Conditioning (AC) Low Pressure Hose

The air conditioning (AC) system of today's modern cars, trucks, and SUVs is a closed-loop system, meaning that coolant and refrigerant inside the system...

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