MACS ACTION™ magazine has been honored with seven medals for editorial excellence by the International Automotive Media Competition. The IAMC program recognizes and encourages excellence in all forms of automotive…
By Chris Tyson, MACS heavy duty contributor We have several Class 8 trucks in our fleet and when temperatures begin to drop outside many of their owners visit our shop…
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…
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….
You may think that a bit of noise with the air conditioning turned on is not the highest priority item for a motorist. After all, if the car is running…
MACS has been committed for many years to supporting the institutions and instructors who educate future generations of automotive technicians who will ensure these motorists can continue to safely enjoy…
By Steve Schaeber, MACS Technical Editor Coolant leaks take on many different forms. Some we’re used to seeing, as they’re common failures that make up some of the bread and…
By Steve Schaeber MACS Manager of Service Training Many of the service shops and technicians we talk to about vehicles using refrigerant 1234yf are only just starting to get requests…
Few have a better right to address “Cooling the Classics” than MACS Technical Advisor Ward Atkinson, who was the test and development engineer for the first production A/C system introduced…