Hey guys,
Recently I took my 325E in to get the AC fixed. I purchased several cans of R12 coolant from a local seller who had a couple boxes left over. The AC guys (quite reputable apparently) agreed to use these cans to put in my car. They pulled a vacuum on the system. I was chatting with the individual who was doing this, and I asked if it was holding the vacuum. He said "let's see", and turned off the machine for no more than 10 seconds. The gauge didn't move.
From what I'm reading, it seems normal to hold the vacuum for much longer than that amount of time to check if the whole system is actually tight. So, I noticed that the AC did not get cool at all today. I checked the sight glass on the AC dryer and noticed that there were bubbles in there. I called up the place and I asked them if this was normal and they suggested I bring it down. They called me a few hours later, they said they were unable to find any leaks with their electronic leak detector and they could not find any of the UV dye on any of the components within their sight. The gentleman working on the car said that the compressor was only pushing out 10 psi of pressure (I may be a bit fuzzy on these details). I asked him 'Does that mean it's lost coolant?' and he said yes. He stated that the system had simply been topped off and that I was good to go. They did not charge me for anything. Sure enough the AC works again, but I am still seeing a little bit of bubbles in the site glass on the dryer.
I am at a loss because as far as I know they did not fix the actual issue. To me it is as if they simply applied a 'Band-Aid' and this same issue will come up in a week. Basically, I'm leaking expensive R12 into the air. They did state the first time around that they guarantee their work for '90 days'.
My understanding of air-conditioning is limited, but my assumption is that if it is leaking now, then simply topping off the system is not going to fix this. Any ideas on how I should communicate this to them? Am I just an idiot and I'm assuming the wrong things?
tl;dr Took the AC system to be charged with R12. A week later it does not work. They told me it has lost pressure. They checked for the UV dye and with an electronic tester, could not find anything so they topped it off and sent me on my way. This is going to continue to leak I assume. I want to know how to get them to look into the issue further without coming off as an idiot.
Recently I took my 325E in to get the AC fixed. I purchased several cans of R12 coolant from a local seller who had a couple boxes left over. The AC guys (quite reputable apparently) agreed to use these cans to put in my car. They pulled a vacuum on the system. I was chatting with the individual who was doing this, and I asked if it was holding the vacuum. He said "let's see", and turned off the machine for no more than 10 seconds. The gauge didn't move.
From what I'm reading, it seems normal to hold the vacuum for much longer than that amount of time to check if the whole system is actually tight. So, I noticed that the AC did not get cool at all today. I checked the sight glass on the AC dryer and noticed that there were bubbles in there. I called up the place and I asked them if this was normal and they suggested I bring it down. They called me a few hours later, they said they were unable to find any leaks with their electronic leak detector and they could not find any of the UV dye on any of the components within their sight. The gentleman working on the car said that the compressor was only pushing out 10 psi of pressure (I may be a bit fuzzy on these details). I asked him 'Does that mean it's lost coolant?' and he said yes. He stated that the system had simply been topped off and that I was good to go. They did not charge me for anything. Sure enough the AC works again, but I am still seeing a little bit of bubbles in the site glass on the dryer.
I am at a loss because as far as I know they did not fix the actual issue. To me it is as if they simply applied a 'Band-Aid' and this same issue will come up in a week. Basically, I'm leaking expensive R12 into the air. They did state the first time around that they guarantee their work for '90 days'.
My understanding of air-conditioning is limited, but my assumption is that if it is leaking now, then simply topping off the system is not going to fix this. Any ideas on how I should communicate this to them? Am I just an idiot and I'm assuming the wrong things?
tl;dr Took the AC system to be charged with R12. A week later it does not work. They told me it has lost pressure. They checked for the UV dye and with an electronic tester, could not find anything so they topped it off and sent me on my way. This is going to continue to leak I assume. I want to know how to get them to look into the issue further without coming off as an idiot.
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