Question about 2000 Chevrolet Malibu

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I need to find the coolant fan sensor on a 2000 chevrolet malibu.

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It doesnt have a fan sensor per say. It uses a coolant temp sensor which is located in the lower intake manifold which relays temp to computer which controls relay circuit to fans.

Posted on May 06, 2010

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2001 Chevy Malibu is getting hot before the fans come on.Had blown head gasket.Replaced that and the fan motor.Of course when the a/c is on the fans come on.Turn it off,they stay on but otherwise the car...


on my 2000 malibu 3.1, the fans come on at about 220 and go off at 210. tempurature should read about a line past the half mark. if hotter then this, check coolant level to be sure its ok. and there are no leaks in system. good-day! you might want to check the coolant temperature sensor. Also, there is a relay for the fan in the fuse box. engine is not considered over heating unless it gets to the red line portion of guage about 250 degrees. the fans work for a/c so it must be the coolant sensor thats not turning fans on when it gets hot.

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Coolant fans won't come on. Changed coolant sensor and checked all relays and fuses all are good. Think that the pcm is not giving the command for the fans to come on how do I fix.


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1 Answer

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1 Answer

Cooling fans on 2001 chevy malibu will not come on unless ac on


the relays control circuit is grounded by ECM (computer) . to check this make sure the is hot enough for the fans to be commanded on by computer and check to see if you have voltage at relay and it has ground from computer . you may need ECM.
good luck

Jan 28, 2009 | 2001 Chevrolet Malibu

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