Went ahead with the Zero Z134. Cooling is adequate to good, It's possible that it is not as cold as r134a. I use a digital laser infrared thermometer to measure output temperature and got some pretty good readings. I aimed the beam into the vent. Temperatures consistently read in the mid 30 degrees...

Went ahead with the Zero stuff. Cooling is adequate to good, It's possible that it is not as cold as r134a.

My efforts did not survive the winter. I discovered additional leaks coming from the auxiliary unit in the back of the van. Bought replacement evaporator and expansion valve and o-rings but after coming across fittings designed to block off the tubes going to the auxiliary unit and seeing how much w...

Orifice tube was in backwards. Put it in the correct way and the hissing stopped.

Before I give up or start over I'd like to verify that the hissing sound in the video below is that of a leak and not some normal process. It is coming from near the orifice tube which I replaced. I was surprised to hear it since I drew down vacuum and the vacuum held for an hour. I then recharged t...

Cusser wrote:I thought the little smile meant you just returned from the dentist !

That too!

If they're not badly pitted, the joints should seal okay with a good cleaning like you did on one already, plus new o-rings. Be sure to keep any debris out of the ports and hoses. To ensure a nice tight seal, put a little Nylog Blue Label (available from this site's sponsor) on each o-ring prior to...

wear respiratory protection, cold insulating gloves, eye protection and protective clothing. Always a good idea when working with refrigerants. Never seen anyone throw on all this gear to put refrigerant in a car. :D :D Is that how you do it? Like to see the video. Man, I just want to put a little ...

Points well taken, plus some pretty serious warnings on can which I had not read before posting. Extremely flammable, may explode if heated, wear respiratory protection, cold insulating gloves, eye protection and protective clothing. Man, I just want to put a little freon in my car!

Came across this during an ebay search. Does anyone have any information on it? https://www.ebay.com/itm/ZeroR-Z134-Refrigerant-R134a-Replacement-12-Cans-1-Case/192562708213?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649 Why bother???? Pure R134a was $5 a can last time I was at Walm...