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Back to basics

by Steve Schaeber

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.

Steve Schaeber


Most calls are really nothing special to talk about. Refrigerant charge amount, oil type and sensor locations are pretty common complaints, particularly for odd ball vehicles and trucks with limited information resources (and technicians unfamiliar with a particular make / model / system). We also get lots of requests for wiring diagrams and pressure gauge troubleshooting help. Plus, there’s many not-well-known TSBs that seem to keep coming up (Ford Escapes come to mind here).


Every once in a while, I get a tech call from one of our local member shops near MACS HQ. When it’s a really tough problem, I like to stop by and check it out for myself and (of course, I wear a mask and practice social distancing, in light of how things are today). (Read More)

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