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07Jul

Motor vehicles have become increasingly more complex over the last two decades to meet the ever-tightening emissions regulations and increased fuel economy requirements, as well as passenger comfort and safety.
This added complexity means technicians are flooded with additional data when diagnosing faults on vehicles. Below is a table outlining the difference between a modern vehicle and a vehicle from 20 years ago. This is only a high-level example to illustrate the differences

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03Mar

There was a group of several refrigerants which were blends with a high percentage of R-134a and a smaller percentage of R-142 that seemed to be the most popular.

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03Mar

It could be a challenging year keeping adequate supplies of R-134a on hand and it will be more expensive.

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02Feb

A large percentage of MACS members have refrigerant identifiers and use of them on vehicles that come into their shop for A/C service prior to beginning any service work is standard procedure.
However, there are a lot of non-MACS member shops who do not have identifiers and unfortunately are not aware of the potential issues which can be caused by refrigerant contamination.

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02Feb

As mentioned in last week’s article, the first thing I did with the machine was check the pressure of the refrigerant in the tank.  It was extremely high (well over 400 PSI) indicating there was a refrigerant contamination problem. 

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08Aug

What type of condenser is in that vehicle? It’s a frequent question in the mobile A/C industry.

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11Nov

Refrigerant safety alert

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09Sep

September/ October 2019 ACTION Magazine Vehicle power management and climate control In the case of many late model vehicles, there are more and more systems utilizing electrical power management strategies…

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07Jul

So where do we go from here? That is the question.  There aren’t a whole lot of new things we can do with an air conditioning system to improve how…

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04Apr

Independent garages have been slow to make the investment in equipment to work on R-1234yf systems, and many car dealers’ service departments couldn’t be happier about that.  When the car…

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