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Old 02-06-2007, 08:36 PM
brewtoo brewtoo is offline
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Join Date: Dec 2000
Location: AL
Posts: 1,219
It's the aspirator fan. It draws in air to measure the temp for the ACC.

See it in the photo below.
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1989 300E loud hum sound near glove box-img_0468_1_1.jpg  
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Last edited by brewtoo; 02-06-2007 at 08:42 PM.
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