I appreciate all the help but I think this is getting more involved than originally expected. If I do proceed I'll just take it to a shop. Albeit this was more just fix it for one more summer. This is my parents car and they have a roundabout way of realizing vehicles need to be replaced or to just ...

Once you put HC in it it's basically contaminated and shops won't want to charge it with r134a.

I know they do sell seperate cans of sealer which is mixed with a little charge but the stuff I got was just charge. Might have a little oil in it. Seems marketing is doing a disservice to the public in the way some of this stuff is basically said to be just a cure all. I'm leaning I might get someo...

I took a two year diploma at college level in automotive mechanics, as part of the course I had ozone depletion certificate.Also took a year of heavy equipment mechanics. From what I understand you have to have your trade certificate ie journeyman papers to buy r134a. Its like they want you to both ...

So I'm in Canada and don't have a license to buy r134a. Heck if I can get it to hold a vacuum I could take it to a shop to get r134a put in. I'd rather do it myself and use the HC based r134a "replacement" which is actually 12a rebranded..Anybody can buy these replacements of the shelf Wal...

Hi. New to the forum. I'm trying to pull a vacuum on a 2008 mercury grand marquis. I have an orion motor tech 3.5cfm 1/4hp vacuum pump and a set of 3 way gauges. I know I have a leak, can't hear it but it doesn't hold vacuum. I replaced the accumulator and added pag oil to the accumulator to replace...