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Old 06-05-2007, 12:41 PM
Douglas.Sherida Douglas.Sherida is offline
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Join Date: Nov 2004
Location: CT, USA
Posts: 472
It might be the air recirculting valve not the turbo. The 85 should have one, but the 83 wont.

My 85 300TD whistled until I put a BB in the vacuum line going to the ARV.
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