Question about 2000 Lexus LX470

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I have a 2000 Lexus LX470 that is heating up. After having replaced and or serviced the entire cooling system I have concluded that the cooling fans are not staying on or coming on long enough to bring the temperature back down. Where are the cooling fan relays and the radiator fan switch located and how do I go about replacing them? Thanks

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  • lexbev May 11, 2010

    did you replace the water pump?

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The fan relays are inside the main engine compartment junction box. and the fan "switch" is a function the the engine computer. it looks at engine speed vehicle speed and coolant temperature to decide whether to turn the fans on or not. I doubt its the ecu, most likely the fan relays.just pull them out and put new ones in.

Posted on Oct 08, 2009

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