Thread: diy ac service
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Old 07-30-2001, 12:36 AM
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longston longston is offline
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Join Date: Dec 2000
Location: Mark West, CA
Posts: 787

The AC system is a closed system, and dos not "use" oil like an engine.

So, you only add oil when the system has been purged and flushed, or when it's being converted to another refrigerant.
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Scott Longston
Northern California Wine Country...
"Turbos whistle, grapes wine..."
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