RW> MH> I just had to add another can of A/C coolant to my system in my car.   
   RW> MH> It has apparently had a small leak for a few years.  I have to add a   
   RW> MH> can about every 5 months.  There is dye in the system, but have yet   
   RW> MH> to spot the leak.   
      
   RW>It takes a black lite to see the dye...   
      
   I would suspect the compresser seal would be the most likely leaking   
   area.   
      
   RW> MH> Not a major thing to put a can in every 5 months, though.  If I do   
   RW> MH> find the leak depending on where it is, it still might not be worth   
   RW> MH> fixing until it gets worse.   
      
   RW>I don't recommend it, but they make an AC sealer that you can buy with   
   RW>your next AC refill...the sealer is in the same can as the R134...sooner   
   RW>or later you're going to need some oil in the compressor. If you don't, it   
   RW>may fail on you and then you'll really be in trouble.   
      
   You can get the R134 with oil in it also as some oil is also lost   
   through the leaks.   
      
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