Monthly Archives: July 2018

Installation and modification of A/C systems for US and imported vehicles


By Ward Atkinson Members have requested information regarding requirements that apply to vehicles produced by OEM vehicle manufacturers, commercial upfitters and independent A/C repair or service facilities that install or modify mobile A/C systems. All A/C refrigerants listed as acceptable, … Continue reading

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Leaks under vacuum


By Steve Schaeber A s OEMs continue improving their systems, technicians are seeing leaks more often attributed to the valve core located down inside the service port fitting, either on the high or low side of the system. Most of … Continue reading

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Tariffs a threat to auto repair industry


July 6, 2018 (Lansdale, PA) Today, 25 percent tariffs went into effect on a list of Chinese goods, and many MACS members have voiced concerns about the impact the tariffs will have on all sectors of our industry. In the … Continue reading

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Spin-On Coolant Filters


By Chris Tyson, MACS Heavy Duty Contributor While rarely seen in automotive and light truck systems, engine coolant filters (sometimes called water filters) can be found on many over-the-road, heavy duty truck and off-road engine cooling system applications. While most … Continue reading

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