The benefits of MAP-controlled thermostats
February 9, 2022
A customer driving a 2014 BMW 328i arrived at the college's 2nd-year electrical lab reporting his illuminated check engine light. The customer had no complaints other than the light. The vehicle had just over 82K miles showing on the odometer. A student (Phil) assigned to the BMW performed a review with a scan tool, and a single code (P0597 – Thermostat Heater Control Circuit Open) was present.Read Article >
Air contamination in an A/C system can ruin your day
February 2, 2022
I had a memorable encounter with air contamination in the mid 1990s. I was conducting a lot of retrofit clinics at the time and had recently acquired a demo refrigerant identifier which I took to those clinics. At one clinic, there was a technician who was extremely interested in the refrigerant identifier.Read Article >
The pressure is on
April 19, 2021
By appearance, radiator caps seem to be a simple device. Yet, many technicians do not understand the cap’s real functionRead Article >
Learn all about electric cooling fan analytics
March 1, 2021
Learn all about electric cooling fan analyticsRead Article >
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.Read Article >
The Lubrication System Service – It seems routine, but it’s not!
March 5, 2020
Have you ever heard someone say, “When it begins ticking, that’s when I know to add oil?” When we’re asked to change oil and filter, it seems so routine. Car...Read Article >
Radiator Inspection
May 10, 2018
By Chris Tyson, MACS Heavy Duty Contributor Our fleet includes more than 180 pieces of equipment, and while we implemented a periodic inspection program many years ago, there are still...Read Article >
Clogged radiator!
July 8, 2016
Johnny’s Radiator in Warren, AR is very busy right now and trucks with clogged radiators like this are one reason why! Make sure air flow is not restricted. If you’re...Read Article >
Rocky Mount Radiator adds its fourth generation
May 21, 2015
MACS is profiling multi-generational member businesses this year and no one fits that description better than the Braswell family of Rocky Mount Radiator of Rocky Mount, NC – MACS members...Read Article >