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#1
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1982 240D A/C leak
I have a 1982 240D, 4-speed manual with some 248,000 miles on her and was told by the previous owner that something under the dash had a leak and that was keeping it from retaining a charge.
questions: 1. Are there any products that I can introduce to the system that will possibly fix the leak? 2. I believe that she has not been converted to the new freon. Is that hard? Anyone know about what I should expect to pay to have that coverted? 3. Has anyone fixed a leak in their system successfully? She runs great and I want to keep her but anxious to get the A/C issues fully diagnosed and repaired as reasonably as possible. |
#2
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You do not indicate where you are located. There is a different answer for this question depending upon whether you live in Anchorage or Houston.
If you have a leak under the dash it could be a line, the expansion valve or the evaporator. To keep from losing refrigerant the best thing to do is take it to the local automotive a/c shop. They can put in 4 oz. or R22 and pressure it with Nitrogen. They then use soapy water to look for bubbles. This is how they do it without losing any of our precious R12. On this car, unless you live in Anchorage or at least North of the US border, you should recharge with R12 once the leak is fixed. It now only costs about $29 per pound and will give you cold air. Some cars convert to 134 well and some don't. The 123 is definitely a car that is in the "don't" category. Some people insist on spending bunches of money to convert to a less expensive, lower performing refrigerant, rather than spending sometimes less money on the proper refrigerant. You have to fix the leak regardless of the refrigerant you later put in it. You will be happier with the performance of the R12. My $0.02, |
#3
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Larry;
Thanks for the discussion as I was hoping that you would bite. Been listening to your responses and your assistance to others. I am located in Maryland and it has been in the 100's for the past several days. Do you believe that any regular A/C shop will be able to do the things that you mention if I were to bring your reply to them? The only thing that I was told by the previous owner, a friend of mine, is that his mechanic was looking out for a used part as the repair was to be expensive if they tried to find new. I gather that it may mean that it is the evaporator but I am not certain. I will be trying to contact the previous mnechanic and find the name of the suspected part. Again, thanks for the assistance as it is most helpful.....Marc |
#4
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I think that any reputable auto a/c shop can take care of this. If you can find from the previous tech what is the source of the leak, then that's great. If you start over with another tech, let them find the leak using their preferred method.
Good luck, |
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