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HD/Off-road/Other Instructors

Don’t overlook a diagnostic clue

September 13, 2022

When thinking about the topic of A/C diagnostic tools, a recovery, recycle, recharge machine (R/R/R machine) is not one of the first tools that comes to mind.  It may not come to mind at all in the world of inexperienced technicians. 
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UAC returns as a MACS Exhibitor

September 13, 2022

UAC is a family owned and operated company since 1988, from Mansfield, TX specializing in Temp Control and Engine Cooling products.
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MACS Welcomes Inficon to 2023 Trade Show

September 12, 2022

NFICON offers a full line of leak detectors for automotive applications. From standard refrigerants like R134a and R1234yf to CO2 and hydrogen forming gas applications, INFICON can help.
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IGas To Exhibit at MACS 2023 Trade Show

September 9, 2022

iGas USA, Inc. offers a full range of refrigerants. Originally joining MACS in 2017, iGas explains, “Our strength, and our mission, is to develop and bring to the market innovative solutions that will have a positive effect on a company's work and business. Each day we strive to design creative, safe and high-quality products that will: assist in lowering your cost of business, make daily work requirements easier, faster, and more economical and improve working conditions and the environment.”
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MACS Welcomes Burgaflex

September 8, 2022

Burgaflex returns as an exhibitor and golf hole sponsor to MACS Training Event and Trade Show . The MACS training event will take place February 2-4, 2023, at the Gaylord Opryland Resort and Convention Center in Nashville, TN.
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T/CCI MFG Awarded Illinois’ First Reimagining Electric Vehicle Tax Incentive Package to Support Major Investments in Transportation Manufacturing and Infrastructure

September 7, 2022

MACS member T/CCI Manufacturing, a global leader for compressor technology, has received Illinois’ first Reimagining Electric Vehicle (“REV Illinois”) Tax Incentive package established by Governor J.B. Pritzker and the Illinois Department of Commerce and Economic Opportunity (DCEO).
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You Knucklehead, you caused this compressor to lock up!

September 7, 2022

Last week's article ended with the following: "As I was completing the job, it hit me what had happened and my first thought was:  You Knucklehead, you caused this compressor to lock up!"  
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MACS Welcomes ATech as an exhibitor

September 7, 2022

ATech Training was founded in 1984 with a desire to develop products that aid instructors in presenting a hands-on approach to teaching and learning the skills of diagnosing and repairing vehicles.
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MACS Welcomes Globus Electronics

September 2, 2022

MACS warmly welcomes Globus Electronics back to the MACS Trade Show from their native Brazil. Globus Electronics has been an active MACS member since 2009.
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Why did the compressor lock up?

August 10, 2022

All too often when a compressor lock-up occurs, the compressor itself is blamed for the lock-up. While it is possible for a manufacturing defect to cause a lock-up, there is usually a problem related to the service work or a problem with the system that is the culprit.
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Improving A/C cool down time

July 19, 2022

If there is an issue with an A/C system, then obviously that needs to be fixed and that will aid in cool down time.  However, if a system is working properly and a customer is complaining, then the focus needs to shift toward educating the customer on steps they can take to improve cool down time.
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A/C not cooling fast enough

July 13, 2022

When a vehicle sits outside in direct sunlight, a tremendous amount of heat can build up inside.  Even with relatively  mild summer ambient temperatures  (75° F to 80°F) vehicle interiors can easily reach temperatures of 125° F or more. Consider that this heat is not just in the air inside, but also in the seats, dashboard, floor board, roof, door panels, etc, (essentially the entire inside of the vehicle).
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