In this video, learn how to refill your car or truck’s A/C system with refrigerant, specifically R134a, the most common refrigerant. This guide covers the procedure for topping off your system, ...

A refrigerant blend is two or more refrigerants mixed together to form a new refrigerant. All 400 Series refrigerants (e.g., R-404A, R-448A, R-449A) are classified as blended refrigerants. One of the ...

The physics behind automotive air conditioning is simple heat transfer, yet a muscle car's A/C system can be baffling to troubleshoot. Now that the warm months are just around the corner, we offer ...

MORE PROBLEMS: Inexperienced service technicians have a tendency to add refrigerant to troubled systems in order to solve a problem, but this can lead to even more problems down the road. (Staff photo ...