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Diagnostics & Scan Tool

From the Service Archives – ACtion Magazine 2020

December 20, 2023

System Service Tips by Larry Turay, AAM, Contributing Editor Everyone has a set routine to follow during the service process when replacing failed components. Sometimes after we have done a...
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Get your Customers to help!

November 1, 2023

By: Jerry Lemon for MACS ACtion Magazine Jul/Aug 2023 Issue Everyone I know doing A/C service on HD trucks and Heavy Equipment is slammed with work. It seems rather counter...
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AirSept® A/C Sight Glass Diagnostic Tool Wins a 2023 MOTOR Top 20 Award

September 21, 2023

Long time MACS member, AirSept®, a leader in developing automotive solutions for complex repair problems, is pleased to announce that the AirSept A/C Sight Glass Diagnostic Tool was elected by...
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Yes, The Service Port Cap Really is the Primary A/C Seal!

September 19, 2023

For years, we have been told that the primary seal for the A/C service ports lies in the service port cap. Yet day after day, technicians let vehicles leave the...
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Avoiding Expansion Valve Woes (Part 2)

April 4, 2023

by Richard Hawkins This is part 2 in a series of articles about avoiding expansion valves woes.  If you have not already read the 1st. article, it can be found...
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Avoiding Expansion Valve Woes (Part 1)

March 21, 2023

By Richard Hawkins On March 2nd, an article was published in this blog covering a class that was held at the recent MACS Training Event and Trade Show.  The class...
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A Sure Sign Of A Restriction (Part Three)

February 28, 2023

By Richard Hawkins, MACS Technical Writer This is part three in a series of articles about restrictions in A/C systems. If you have not read the two previous articles, they...
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New Product Showcase Winners

February 23, 2023

Every year, MACS hosts a new product showcase in the Trade Show at the Annual Training Event. This year in Nashville, 18 companies displayed their new products in the showcase...
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A Sure Sign Of A Restriction

January 24, 2023

By Richard Hawkins In the January 4th blog article, we covered a tech call that involved a customer who was experiencing an issue with the low side of an A/C...
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Staying RRR current

October 25, 2022

The refrigerant checked out fine. No contamination with other refrigerants and no air contamination.  Their machine pulled 30 ounces out of that system.
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The ambient temperature differences

October 11, 2022

That hose is easy to get to, so I whipped it off of there and had the new one on probably in less than 3 minutes.  The owner was standing there watching and thought I was finished when I tightened up the second connection. He said he was going to go up and pay and would be back to get the car and hit the road.
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Do you know about the B1479 trouble code?

August 3, 2022

If you work on Toyota, Lexus and Scion A/C systems, chances are that you have encountered a B1479 diagnostic trouble code on a system that will not operate. 
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