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Engine Cooling

Marks Air celebrates 50 years of mobile air success

March 16, 2021

MACS member Marks Air Inc. celebrates 50 years of being in business.
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Caveman to Mr. Cool

February 18, 2021

Over 300,000 years ago, modern man began walking the earth relying heavily on his five senses-- especially sight – to hunt, find joy, and avoid danger. In 1914, Garrett Morgan, who decided it was important to protect man’s eyes during hazardous situations, developed what we know today as ‘safety’ glasses.
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Stress cracks

March 28, 2016

By Steve Schaeber, MACS Manager of Service Training Some Ford F-Series Super Duty vehicles built with the 6.4-litre turbo diesel engine may show a coolant leak at the front of...
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Capillary action

March 23, 2016

By Steve Schaeber, MACS Technical Editor Several Audi models are the subject of a technical service bulletin involving an issue with something not often thought about when it comes to...
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