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Old 07-23-2003, 11:15 AM
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csnow csnow is offline
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Join Date: May 2002
Location: Mass
Posts: 1,127
I'm not sure I would characterize needing some refrigerant every 4 years as a "leak". May not even be detectable. Auto AC systems are inherently leaky to some extent. Ok, this is not ideal, but is it really at the point of repair? Do a cost/benefit analysis.

If it were me, I would topoff the system and add some UV dye.
That way you would likely be able to see where the [very] slow leak is over time.

You can get a really nice Tracerline UV dye kit from for around $55.

Best of luck.
1986 300E 5-Speed 240k mi.
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