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Old 03-15-2001, 12:16 PM
Ed Richardson Ed Richardson is offline
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Join Date: Feb 2000
Location: Rancho PV, CA, USA
Posts: 328
I had a similar problem in my '97 E320 for almost a year. Turned out to be some A/C valves. As soon as I made an appointment to get it fixed (in warranty), it stopped and hasn't come back. Try listening in the engine compartment along the firewall, see if you can pin down the exact location. Ed
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