Thread: W140 Air Conditioning Problem: Help!
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Old 08-05-2002, 03:52 PM
Kestas Kestas is offline
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Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,855
r12 is the old freon refrigerant, phased out by auto manufacturers sometime in the mid-90s because of environmental (ozone) concern. The new refrigerant is r134a.
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