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12Dec

The blog article published on November 8, 2022, focused on understanding the importance of knowing the precise location of service ports when faced with a challenging A/C diagnostic issue.  It…

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11Nov

In the Understanding and Diagnosing A/C class, you’ll go beyond minimum requirements for recovery, evacuating, recharging, and recycling by offering real world examples in diagnosing and repairing A/C electrical, computer / BCMs, climate control and electronic components. Most of today’s vehicles come equipped with electronically controlled A/C systems.

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10Oct

That’s right. Two days later the customer called and said it was cooling terrible. I had him bring it back in and put the gauges on it and checked the vent temperature and it was running about 325 on the high side and about 45 on the low side and the vent temperature was about 55 as I indicated earlier.  Of course, it was in the low 90’s that day.

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10Oct

The new Jeep Grand Cherokee and Wagoneer now offer Chrysler’s first 4-zone automatic temperature control A/C system for first and second-row passengers. It includes personalized temperature settings, fan levels and modes for each passenger.

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10Oct

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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10Oct

Motor Age Training returns as an exhibitor to MACS Training Event and Trade Show . A long-time member and supporter of MACS, they are also a Silver Sponsor of the training event. Register now! 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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09Sep

Come see Performance Radiator at MACS Training Event and Trade Show .
Performance Radiator has been an active MACS member since 2004.

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09Sep

Trans/Air Manufacturing, Corp. is setting new standards of comfort, reliability, and value for climate control in conventional, electric and hybrid buses and coaches.

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08Aug

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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08Aug

MACS member Rob Bollinger discusses a 2015 Acura TLX blower motor issue and installation

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08Aug

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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06Jun

If you are installing an OEM replacement compressor in this example then it “should” contain 4.5 ounces of oil but if the compressor is not drained and the oil measured, the amount will not be known for sure.  Also, if an aftermarket compressor is being installed, there is no standard that exists in the industry regarding the amount of oil that might be shipped in a replacement compressor.  It might have no oil in it, a partial charge, or a full charge or even more than a full charge. To make matters worse, the OEM does not provide the total system capacity for this vehicle.

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