Honeywell 1234yf Proper Procedure 

A local GM Dealer wanted $702 to recharge my 1234FY system! I told them it was a rip off and took my 2017 GMC Acadia and left. I purchased the recommended amount of refrigerant, charge hose and guage at a local auto parts store and did it myself for $151 and saved $551. Do it yourself and don't get ripped off!!!

Great idea. Put left hand threads on the can so the adapter comes loose and starts leaking when you close the valve

Once the hoses are under vacuum, shouldn't you fill the lines with refrigerant (with the car's service valves closed) before you zero the scale? if not, you are including the refrigerant weight in the lines in your charge weight and that amount never made it into the car...especially important with 1234yf that is a mroe critical charge weight.

I didn’t see that he added oil to the ac system

6:57 - where do I find proper charts?

What were you checking with the electronic leak detector, the system was under vacuum.

I’m confused about the “do not run compressor with high side valves open” there’s no other videos on YT saying that when checking pressures and charging system. ???

so the condenser just disappeared after that collision?

Wonder what Honeywell's stock is doing.

Cuantas latas de yf1234 lleva. Un auto motor 1.6 4 cilindros versa 2023

how do you add oil?

jezus ..so your saying if i only get hot air not to do this recharge myself...what TF car companies, do you make this stuff so hard and complicated as a GIFT to auto shops so they can charge us tons of money to repair? seems likely

Left hand threads another gimmick for DIY and garage owners forced to buy more equipment. Greed and money the name of the game...

best thing is not buy are car with 1234yf,,,

This video is full of mistakes, from turning the wrong way to turning the wrong knob for what is being said. Deliberate?

Live in Arizona Get a pinhole in your A/C system Get bent over at the *dealer for $700 so you dont have to lose 10 lbs in water weight driving to and from work everyday. Gotta love living in the matrix.

Getting an accurate charge using small cans doesn’t happen very often and getting that can to balance with a heavy hose on a scale adds to the problem that’s why only big 30 pound cans should be allowed. 2: if you used a four port refrigerant manifold you would not have to purge any refrigerant to the atmosphere because that fourth port would be hooked up to your vacuum pump vacuuming down cleaning out and drying your hoses preparing them to add refrigerant. 3: pulling a vacuum and watching gauges is extremely inaccurate and a very old-fashioned barbaric way and often leaving moisture inside the system without being able to actually measure it with the use of a micron gauge. On top of that vacuum is a very poor indicator of a leak because often slight imperfection in rubber hoses and O-rings can easily seal with only a difference of 14.7 psi between atmosphere and a complete vacuum but under pressure leak. And this is also another reason to use a micrometer you could read very small imperfection in leaks that watching a needle the human Eye will never see within 15 minutes. 4: and if you did have sloppy technicians who often have leaks when they re-assemble components part of your vacuum procedure would be using dry nitrogen to do a triple purge and evacuate. At the same time while you were performing the procedure you easily pump it up to 150 psi with dry nitrogen then placed your electronic digital manifold gauge set in pressure decay test mode that will read pressure losses of down to a resolution of 1/10 of a PSI. Now you’re ready to perform your Final vacuum. 5: now comes the real beauty and usefulness of knowing how to use a micron gauge when performing your vacuum you can actually read the removal of moisture that when a car has been in a collision in sitting for many days or weeks in the body shop with the refrigerant lines open to the atmosphere and the ESTER oil or PAG oil has been completely saturated with moisture that Preforming a simple vacuum for 15 minutes or 30 minutes or even an hour many times cannot remove this level of moisture contamination. And with a built-in micron meter or individual remote micrometer you can actually read and prove and document your decay of vacuum with the release of moisture out of moisture saturated oil and there’s actually an app that can record this and you can prove it and download it and include it with your invoices as proof of proper evacuation. 6: now this is where somebody from old school came in telling you to use charts for pressure and temperature relationship with refrigerant in many cases has no reference or anything to do with the modern day cars that have computer control displacement and pressures by the sensors they are monitoring will completely throw your numbers you’re trying to use off a chart making them completely irrelevant. Where would I try to use pressure temperature charts where he knownfixed condenser fan speed that was not on a fan that was varying up and down turning off and on or cycling between one fan into Fan throwing your numbers off. You have to instruct the technician in what exact procedure in settings the Dash recycle vent needs to be on or off and it’s usually off and where is he taking the temperature of his income in air is usually always wrong because if it’s coming through the firewall vents underneath the windshield with the engine running on a hot day with the fan blowing from the hot radiator air over the exhaust manifolds down the air intake that could be 130° instead of the ambient air this is where a lot of false information on videos and mistakes are made. 7: And infrared thermometer would be one of the last pieces of temperature measurement equipment you would want to use very in accurate makes a big difference whether the car in the dash is in the direct sunlight where the black vents are being hit with the radiant radiation heat from the sun altering the surface temperature of the vents them self and then there’s the dwelltime how long has it been resting with cool air before it actually cooled off all the plastic and mass of material inside the vehicle. On top of that you never shine indirect the optics of an infrared thermometer into the cold air stream because of the rapid change in cooling affect across the optics giving a distortion giving a technician a very false reading on his display that will often give you a much lower temperature than actually is coming out of the Dash this was explained in showing to me by my father when I was 12 and I am 54 now and this information was widely known what happened to our education system in the automotive field. Excellent temperature probes with a long reach that can actually go down into the vents that are manufactured by Fieldpiece or Testo or high-quality accurate equipment that comes with apps and you can record and data log in at the same time we will also give you your empathy your dewpoint and your humidity all at the same time that you were can record and attach to your invoices for documentation and proof. 8: it was a good informative video for DYI backyard mechanics but not for professional automotive technicians I believe this video should be remade and re-shot with a higher degree of proficiency and education.

R1234yf are trash and the machines are trash too. It's disgusting they made this switch