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Old 06-12-2002, 06:50 PM
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engatwork engatwork is offline
Join Date: May 2000
Location: Soperton, Ga. USA
Posts: 11,234
I hear the same thing at the same time on my E320 and have replaced all the rotating hardware on the front of the engine except the air pump, a/c compressor and power steering pump. Using the automotive stetheoscope I can't ascertain where it is originating. I have read another post that even contributed it to the noise from the oil pump so I don't worry too much about it.
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