Thread: is this "CORRECT" CCU behaviour in a 300sd?
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Old 09-17-2007, 01:22 PM
SD Blue SD Blue is offline
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Join Date: Jun 2004
Location: West of Ft. Worth. TX
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Check the condition of the sensor tubing above the visor mounting panel. Also, do you hear the sensor fan running with the key in #2 and eng. off?
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84 300SD 350K+ miles ( Blue Belle )
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