Question about Volvo S60

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Why does my fan keep running in my 2003 Volvo S 60 after the car is off?

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Typical operation of radiator fan electric system is to run the fan based upon high temperature in radiator/engine even if the ignition is off. This is due to heat soaking out of the engine after shutdown. The fan will usually run for around a half minute on a hot day then shut off as the heat soak is blown off. If it doesn't shut off after say a 5 minute period the controlling temp sensor or control relay is shorted and must be changed, Check the manufacturer's shop manual for normal operation modes and wiring diagrams to identify it.

Posted on Aug 14, 2015

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It can be faulty fan relay.The relay is not turning the system off.Or its wire short issue.Even with ignition off ,the fan relay is getting power so its not letting the fan to turn off.Bypass the fan control relay and see if still the fan works with ignition off or not.

For more troubleshooting check the link below:------

Cooling Fan Stays ON with Ignition Off?

http://whatisbyme.blogspot.in/2012/07/cooling-fan-stays-on-with-ignition-off.html
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Cooling fan relays location ?

http://technoanswers.blogspot.in/2012/02/cooling-fan-relays-location-on-1998.html
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DIC says "COOLING FAN FAULT"?

http://schematicsdiagram.blogspot.com/2011/12/dic-says-cooling-fan-fault.html
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Heater fan and headlights will not turn off with ignition off?


http://technoanswers.blogspot.com/2012/01/heater-fan-and-headlights-will-not-turn.html


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Fuel pump relay and cooling fan relay troubleshooting ?

http://repairhelpcenter.blogspot.com/2011/10/fuel-pump-relay-and-cooling-fan-relay.html

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Where Is Radiator Fan relay and Fuse Located?

http://schematicsdiagram.blogspot.com/2011/12/where-is-radiator-fan-relay-and-fuse.html

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These will help.
Thanks.

Posted on Nov 28, 2012

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