Question about 1998 Cadillac DeVille

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I have 98 Caddy Deville and I need to fill up on freon anually, They could not find any problems with compressor.

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I've had to trace down small leaks like this and it was usually the small valve stems/seats. The ports where you install freon. These can be purchased at a parts store along with the small tool. Cost about $3 for all of it. The only thing is when you replace these the system has to be dis-charged into another system to prevent it going into the air. The valves can be replaced by you, but if you're going to take it to have it dis-charged, then I would just have them replace the valves.

Posted on Jul 07, 2010

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