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Whirring noise in engine of my Hyundai Matrix up to four hours after it is turned off - ?auto fuel cut switch/relay box. Is it normal? Safe? Draining the battery? Please advise.

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  • dan May 11, 2010

    are sure it's not your radiator fan? they will run after your car is turned off until it's cooled down, but 4hrs is way to long. it will drain battery.

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To check the radiator fan you can look in the fuse box area and find the fan relay, pull that black relay and if the fan stops thats what it is. if it doesnt then its something else but probably the fan and should be electronically diagnosed, atleast you can check to see if it is that by pulling that fuse according to the diagram on the relay cover underside.

Posted on Dec 10, 2008

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