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The pulse width modulated duty cycle signal
2021年12月7日
几年前, when vehicles using these compressors were just starting to show up at shops for service with some regularity, we were searching to find some detailed information about their behavior to use in clinics. There was not a lot of it available, so we borrowed several vehicles and did some videos. The following are some clinic slides produced from one of those videos.Read Article >
Exploring electronically controlled variable displacement compressors
2021年11月23日
Electronically controlled variable displacement compressors (ECVDs) have been in use now for over 15 years. 然而, there are a lot of technicians in the field who have very little knowledge about them and their operation.Read Article >
EPA releases Automotive Trends Report
2021年11月19日
Vehicle enthusiasts may want to check out the U.S. EPA's newly released Automotive Trends Report.Read Article >
Meet MACS member, Tom Lech
2021年11月8日
Stationed in San Francisco, 加州, Thomas Lech has maintained a bustling business for almost three decades. Lech Auto Air Conditioning has been busy for 365 days a year from opening at 7 a.m. 到7点收市.m. for the last 27 years, with summertime only increasing the demand for the shop’s services.Read Article >
What do you know about the fixed displacement piston compressor?
2021年的11月2日
What do you know about the fixed displacement piston compressor?Read Article >
Tesla aftermarket repair information
2021年10月29日
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, 设置, and implement this new information so you can add this new service opportunity to your shop.Read Article >
A burned clutch is a symptom of another problem
2021年9月14日
Not much thought is given to compressor clutches until they fail, but they are extremely durable. I have personally owned three vehicles that had between 200, 000 and 240,000 miles on them. They all still had the original compressors and clutches, and they were still functioning perfectly.Read Article >
Mind the compressor clutch gap
2021年8月31日
One of the first things I was taught in my A/C training was to always check the clutch air gap prior to installing a compressor.Read Article >
mac特斯拉项目
2021年8月26日
MACS is working on a project, to collect A/C charge information for Tesla vehicles, 我们需要你的帮助!Read Article >
Field study: Incorrectly installed condensers
2021年8月10日,
I have handled numerous tech calls involving older GM trucks with incorrectly installed condensers. In preparation for this series of MACS blogs, I discovered a salvage truck with one of these condenser repairs. This gave me the opportunity to duplicate the incorrect installation and look for pitfalls and solutions.Read Article >