July/August 2017 MACS ACTION Magazine It’s been said that cleanliness is next to godliness. This can also be considered gospel when servicing heavy duty (HD) and over-the-road (OTR) refrigeration. These…
Radiator leaks are nothing new, and some technicians may initially blame a faulty part, poor construction or shoddy workmanship during installation when a leaker shows up in their bay, particularly…
Once again, the MACS office is beginning to receive calls about bad, contaminated or mislabled refrigerant. Some folks in theU.S.are receiving offers to purchase refrigerants that contain hydrocarbons (HC), notably under the designations HC-12a or similar names. All of these are listed as “unacceptable for use” on the EPAs companion page to the SNAP list.
If you would like to download our glove box guide to Your Car’s Air Conditioning System click here for a downloadable pdf that you can print out and keep with your car’s owner’s manual. This glove box guide has tips for keeping you cool, helping the environment and for optimum A/C system performance.
Is this blog obsessed with cabin air filters?
No, we just want to show you what used mobile A/C and engine cooling parts look like.
Motor vehicle air conditioning systems can release refrigerant into the atmosphere in a number of ways.
Whenever you hear the term refrigerant contamination the first thing you probably think of is mixed refrigerants. However, the most prevalent contaminant, particularly in recycled refrigerant, is air. What…
Have you ever lifted the hood of your car and noticed a label calling out specifications for your mobile A/C system? Did you ever wonder why it was there? Your car’s manufacturer put that label under the hood to provide necessary information for your service professional. Avoid removing this label from your car.
If your car’s A/C system is not cooling you off in a reasonable time frame to make you happy, take it to your service professional for an A/C check-up. Here’s what he or she will look at:
No one is particularly patient when it comes to passenger compartment cool down in hot weather. We’re all impatient in today’s society. We want it now! So, when the inside of our car is hot we are also cranky.
Thermostats open and close with changes in engine temperature, and sometimes become stuck. If stuck open, the engine never warms up properly and there is little or no heat from the heater. A stuck-open thermostat can also be a cause of poor fuel economy.
Stuck closed, a failed thermostat can cause engine overheating because the coolant
Extreme heat is still gripping much of the United States and summer long-distance travel is still on many people’s agenda. In order to make it through the rest of this record breaking hot summer make sure to have your service professional check your engine cooling system belts and hoses.
The cooling system hoses and belts can deteriorate over a period of time. The
