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12Dec

To help service shop owners, MACS has created a 30-page consumer guide for your customers that explains how their car’s engine cooling system and air conditioning system works. “Getting to know your car’s air conditioning and engine cooling system,” details how these vital climate systems work and why they may require an extensive repair.

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11Nov

what if” this system used an electronically controlled variable displacement compressor instead of the pressure controlled variable displacement compressor?   What would the results be?

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11Nov

At this time of year, I often end up with an earworm in my head from a Canadian rock band … Summer’s going fast, the nights are growing colder. Then it’s the line everyone knows from something more mainstream … Winter is coming. It’s early September, and the leaves on some trees are already starting to change. Winter is coming.

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10Oct

NASTF has released new information on industry changing news! After 4 years of working together with Tesla, NASTF is pleased to announce that Tesla scan tool and service information is now available to the aftermarket. For the American and Canadian markets (Canadian version is in the final testing stages) things are changing rapidly that’s why the National Automotive Service Task Force (NASTF) has brought their best experts to explain how to find, set-up, and implement this new information so you can add this new service opportunity to your shop.

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10Oct

Modern heavy-duty equipment is basically comprised of computers with operating units attached. In short, it is a multiplexing system that replaces traditional power distribution devices with ECUs that communicate electronically over the vehicle datalink.

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10Oct

Don’t try this at home! We do not recommend adding a machete to your mobile A/C tool kit. However, in Belize they do things differently. Sometimes necessity is the mother of invention.

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10Oct

So now it is time to provide the correct answer along with information on why it is correct and also information on why the others are incorrect.

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09Sep

Understanding and Troubleshooting data lines on heavy-duty trucks will be presented byLarry Turay of LETCO Enterprises. In Larry’s Saturday morning class, attendees will learn how components and subsystem inputs and outputs can influence HVAC operations. 

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09Sep

What is Peter Orlando’s class Cooling Fan Circuit Analytics about? It all began decades ago as a mechanical fan attached to the water pump with and without a fan clutch.  And now it has evolved into an efficient complex electrical motor control of cooling the modern internal combustion engine.

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09Sep

Since it’s September (and another school year is upon us), we’re going to look at what’s so different about school bus A/C as compared to the more common automotive-type systems.

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08Aug

MACS is working on a project, to collect A/C charge information for Tesla vehicles, and we need your help!

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09Sep

There is no doubt that when it starts getting hot outside, your shop gets slammed with customers asking for help with their A/C systems. Same thing happens here at MACS, except we get slammed with A/C tech support calls.

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