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09Sep

The blower motor can make or break HVAC performance. Solid blower motor troubleshooting, along with an attention to detail, will help ensure that your customer’s HVAC system performs properly, the…

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06Jun

By Steve Schaeber, MACS Technical Editor The main purpose of a thermostat is to help the cooling system regulate engine operating temperatures to within the manufacturer’s specification. This is normally…

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11Nov

By Keith Leonard, ESQ Regulations play an integral role in all of our lives. It is impossible to imagine driving a vehicle without regulations governing driving behavior. Without such regulations,…

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09Sep

By Steve Schaeber, MACS Technical Editor Regular readers of the MACS WordPress BLOG know that we’ve been out and about lately, hunting down those vehicles that are new to the…

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09Sep

“…more than 30 hours of information, education and training…”

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09Sep

By Steve Schaeber, MACS Technical Editor It was during the general session meeting on Thursday morning at MACS 2016 Trade Show in Orlando that we first learned about GM’s intention…

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09Sep

By Steve Schaeber, MACS manager of service training Proper air flow across the heat exchangers in an air conditioning system is key to its being able to transfer heat efficiently….

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08Aug

The part exists, sort of. The 2001 Dodge Caravan minivan with Automatic Temperature Control had poor rear A/C cooling performance and the technician decides (correctly) the issue is with the…

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07Jul

By Steve Schaeber, MACS Technical Editor An old boss of mine used to have a saying that goes something like: I ain’t got time to be doing the same thing…

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06Jun

By Ward Atkinson, MACS Technical Advisor It has been said that back in the days of R-12, A/C system engineers sometimes used “Band Aid” fixes to address A/C system issues….

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06Jun

Joe Randazzo of Randazzo’s Auto Service, Lansdale, PA invited us over to see his new retrofit of a 1987 Camaro I-ROC.   If you’re a service professional and not a…

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05May

“It’s not if you offer J-2534 flashing to customers; it’s when,” asserted David Hobbs, a senior automotive aftermarket trainer for Delphi Automotive. With this “hook,” Hobbs grabbed the attention of…

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