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Old 09-18-2003, 10:08 AM
earossi earossi is offline
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Join Date: Mar 2002
Location: Naperville, Illinois
Posts: 92
Your description of the screeching noise on cold startup is probably the air pump as you had surmised. If you elect to replace the pump, you'll find that a new pump from the dealer is more than $1000! However, there is an option. When mine went bad, I did a search and found that Adsit stocks rebuilt air pumps. For my E320, the rebuilt pump was less than $300. And, you can order the pump over the internet.

Hope this helps.
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