AC Service – R1234yf
With a few simple steps, you can ensure that your A/C machine is properly maintained and ready for the upcoming A/C season!
Mercedes-Benz AC Service
Here’s what you need to know about R-1234yf refrigerant in Mercedes-Benz vehicles.
Check the Label Before Replacing A/C Refrigerant
Never attempt to service a car’s air conditioning system without first checking the SAE J639 sticker.
VIDEO: When Is A Clunk From The Air Conditioning Compressor Abnormal?
Some customers may complain about a clunk coming from under the hood when they are not moving or at low speeds. Some noise is normal. But, if the drive belt or tensioner are worn it can make the noise louder. Andrew Markel covers how to diagnose the drive belt system and compressor. Sponsored by INA, a Schaeffler brand.
Servicing R1234yf: Are You Ready?
R1234yf, tabbed the replacement for R134a, has been in service now for a few years on certain models from FCA and GM as well as several European models. R1234yf is estimated to be fitted on 35 million vehicles worldwide. The EU has already banned R134a as of Jan. 2017, and the U.S. will follow suit by 2020. While most independent shops haven’t had to deal with it yet, you will start seeing them soon, so you should be prepared to service them by getting the right tools.
Mercedes-Benz Tech Tip: Refrigerant Compressor Noise Complaints
If you receive customer reports of noises at the refrigerant compressor with the A/C either activated or deactivated, the cause could be a defective belt pulley or belt pulley bearing. The pulley and pulley bearing can be diagnosed and replaced with the compressor still installed in the vehicle by following the procedures in this article.
Robinair Introduces Three New Leak Detectors For Finding R-1234yf And R-134a Leaks
Each of the new A/C leak detectors features an audible alarm with a stable, long-life sensor that lasts up to 10 years. Equipped with an automatic calibration and the ability to reset to ambient, the new Robinair leak detectors also include three adjustable sensitivity levels and a low battery indicator.
HFO-1234yf: Regulations And Requirements
SAE standard J2843, for “R-1234yf (HFO-1234yf) recovery equipment for refrigerants used in mobile air conditioning systems,” establishes the minimum equipment requirements for the recovery, recycling and recharging of R-1234yf.
New A/C Service Unit From MAHLE Service Solutions Helps Aftermarket Shops Economically Service R1234yf Vehicles
An external refrigerant identifier minimizes costly refrigerant cross contamination risks. The ACX1250 is designed to recover more than 95% of automobile A/C system refrigerant.
