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Tech Tip: A/C Service With The R-1234yf Refrigerant

Vehicles with R-1234yf have different service fittings to prevent cross-contamination with different refrigerants.

VIDEO: Servicing R-1234YF A/C Systems

Always check the refrigerant label to learn what should be in the system. This video is sponsored by MAHLE.

R-1234yf Safety Procedure Checklist

Play it safe when using R-1234yf with Specific Safety Procedures.

Update On R-1234yf Refrigerant

If you haven’t had a lot of experience dealing with R-1234yf yet, get ready. You’re going to steadily be seeing a lot more of this refrigerant in the coming years. Underhood Service magazine talked with ASE Executive Director of Special Projects Dave Cappert about R-1234yf updates and best practices techs need to know to be able to service these vehicles before one catches you off guard.

A/C System Manifold Gauges

A basic gauge set will have three basic components.

R1234yf Refrigerant Service

It is not a question of if but when you’ll have to deal with R1234yf refrigerant. Here’s what to expect.

Compressor Oil for R1234yf

Working on R-1234yf systems is not that different from the R-134a variety.

Mercedes-Benz AC Service

Here’s what you need to know about R-1234yf refrigerant in Mercedes-Benz vehicles.

Regular AC Maintenance Helps Prevent Compressor Failure

Not following the proper service procedures or compressor oil recommendations could be factors to early compressor failure.

Losing Your Cool: When Compressors Go Bad

A bad A/C compressor and a bad
explanation steered me to an
aftermarket solution.