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…
By Steve Schaeber, MACS Technical Editor Regular readers of the MACS WordPress BLOG know that we’ve been out and about lately, hunting down those vehicles that are new to the…
By Steve Schaeber, MACS Technical Editor It was during the general session meeting on Thursday morning at MACS 2016 Trade Show in Orlando that we first learned about GM’s intention…
By Steve Schaeber, MACS manager of service training Proper air flow across the heat exchangers in an air conditioning system is key to its being able to transfer heat efficiently….
Like the light duty world, most heavy duty HVAC systems are tested using a laptop and specific software. However, the Freightliner M2 Business Class Truck HVAC controls and blower…
By Steve Schaeber, MACS Technical Editor Coolant leaks take on many different forms. Some we’re used to seeing, as they’re common failures that make up some of the bread and…
T/CCI’s Wind Tunnel: Let’s test it! By Steve Schaeber, MACS Technical Editor One of MACS most unique mobile A/C training events was held on Friday, May 29th in Decatur,…
By Steve Schaeber, MACS Technical Trainer I can remember a time when it was not uncommon to go for a walk or hike in the woods and stumble upon some…
By Jacques Gordon, Managing Editor, MACS ACTION Magazine The seventh generation Corvette is scheduled for sale later this year, and Chevrolet is calling it the Stingray. Although I’ve only seen…
On Jul 14th, we discussed a lawsuit filed by Kevin O’Shea against Ford Motor Co, alleging that the company offered vehicles that “used an excessive amount of Nocolok flux in the design, manufacture and assembly of the air conditioner system evaporator cores, thereby creating an unreasonable health and safety risk …” According to the complaint, “exposure to and inhalation of the flux is extremely dangerous and can result in the development of several diseases and conditions.
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.
