Insufficient A/C performance at idle
September 8, 2016
On some 2013 Chevrolet Sparks, the air conditioning duct temperature may be 10°F (5.6°C) warmer at idle, but is sufficient while driving . Verify that the A/C pressures are...Read Article >
Denso uses A/C to alert drowsy drivers
September 6, 2016
By Steve Schaeber, MACS Technical Editor The basic technology has been around for a while now, going back at least 10 years on Toyota and some luxury car brands such...Read Article >
What does desiccant look like after 16 years?
August 26, 2016
By Steve Schaeber, MACS Technical Editor We’ve all heard this word before, probably for the first time during one of our HVAC (heating, ventilating and air conditioning) classes when we...Read Article >
A/C Groan
August 25, 2016
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...Read Article >
Ford dealers selling their first MPVs with R-1234yf
August 17, 2016
By Steve Schaeber, MACS Technical Editor We learned about Ford’s plans to begin building the 2017 Escape with R-1234yf refrigerant during a meeting with their regional parts and service manager...Read Article >
A/C performance issue
August 16, 2016
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...Read Article >
MACS ACTION Magazine honored with four IAMC awards
August 3, 2016
MACS ACTION™ magazine has been honored with four medals for editorial excellence by the International Automotive Media Competition. The IAMC program recognizes and encourages excellence in all forms...Read Article >
Repeat blower motor issue
July 25, 2016
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...Read Article >
Change is coming to heavy duty refrigerants
July 18, 2016
By Steve Schaeber, MACS manager of service training Last year around this time the US Environmental Protection Agency (EPA) finalized Rule # 20, which was a Change of Status Rule...Read Article >
Servicing heavy duty truck, off-road and specialty vehicle A/C
July 14, 2016
By Robert Brocx The heavy duty truck, off-road work machine and specialty vehicle mobile air conditioning (HD MAC) industry has typically utilized air conditioning standards, procedures and technologies developed by...Read Article >
Dr. Mark Quarto to Keynote MACS 2017 Training Event – Feb 16, 2017
July 11, 2016
The role of mobile air conditioning (A/C) systems has dramatically changed as hybrid, plug-In hybrid, battery electric, extended range electric vehicle, and fuel cell vehicle technologies continue to populate the...Read Article >
Clogged radiator!
July 8, 2016
Johnny’s Radiator in Warren, AR is very busy right now and trucks with clogged radiators like this are one reason why! Make sure air flow is not restricted. If you’re...Read Article >