Global Parts Distributors to exhibit
October 18, 2022
All GPD products are designed to meet/exceed OE fit, form, and function. Product lines include compressor, condensers, cooling fans, electrical components and engine management sensors, evaporators, expansion valves, fittings, heater cores, hose assemblies, radiators, tools, chemicals, service items, and ‘Do It Right the First Time Kits’: Compressor Kits, Kits Plus, System Service Kits, Blower Motor Kits, as well as application specific O-Ring Rapid Seal Kits (included w/ Compressors Kits, Kits Plus, and System Service Kits) and Cap and Valve kits.Read Article >
UAC returns as a MACS Exhibitor
September 13, 2022
UAC is a family owned and operated company since 1988, from Mansfield, TX specializing in Temp Control and Engine Cooling products.Read Article >
Heat pump basics
March 2, 2022
An internal combustion engine (ICE) is relatively inefficient, using only about a third of the fuel's heat energy (BTUs). The rest of the heat energy is “wasted” in friction, cooling and exhaust heat losses. Yet, the ICE’s wastefulness benefits the vehicle's interior heating.Read Article >
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 >
Heater Insight
January 25, 2022
Recently, a customer brought in a 2006 Honda Insight with a heater that was blowing cold but had no other vehicle concerns. A local garage had informed the customer the head gasket had failed; however, the owner felt a second opinion was necessary.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 >
Marks Air celebrates 50 years of mobile air success
March 16, 2021
MACS member Marks Air Inc. celebrates 50 years of being in business.Read 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 >
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...Read Article >
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...Read Article >
