The automotive A/C aftermarket is a heavily regulated industry. For example, SNAP (Significant New Alternatives Policy) was established by the EPA under Section 612 of the Clean Air Act to identify and evaluate sustitues for ozone-depleting substances. SNAP also addressedÂ
Mr. Fixit: How to Use Manifold Gauges
Before servicing a vehicle, confirm system refrigerant type. Cross contamination of refrigerants can cause damage to A/C system, service tools and equipment. Be sure to always use protective hand and eye wear. The right (red) side of the manifold is
To What Pressure Should I Fill My Mobile A/C?
For a mobile air-conditioning system to run efficiently, the correct amount of refrigerant must be installed in the system.  Both an under– or over-charge will affect efficiency, and the latter could even damage the system. But how does one hit
Why Don’t They Use Carbon Dioxide in Automotive Air Conditioning?
Everyone appreciates that regulations stemming from environmental concerns has been steering the direction of automotive A/C refrigerants for the past twenty-five years or so. In the 1990s we moved away from R-12, a CFC, in favor of R-134a, an HFC,