Engine cooling fans will not come on?

Tiny
STEVE W.
  • EXPERT
The gauge should start to drop when the fans turn on and the coolant actually starts to cool off. Unless you are setting in very heavy traffic. That is on the Acadia, and your Traverse should act the same way. It sounds like you friends car might have an issue if the temperature stays really steady with the fans running.

Cleaning the TB should not have altered the cooling system parameters, but it would not hurt to double check the connectors around it and make sure something is not corroded or loose.
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Sunday, May 6th, 2018 AT 1:19 PM
Tiny
BETHWOLFE
  • MEMBER
  • 1997 CHEVROLET MALIBU
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 197,000 MILES
My cooling fan on my car will not come on at all to cool my engine down what could it be the fan router has already been changed?
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Wednesday, October 28th, 2020 AT 6:15 PM (Merged)
Tiny
LSAUTO
  • MEMBER
U need too check the cooling fan relay and fuse, if they are working than u could have a bad fan motor or a wireing problem need to check for power @ the fan motor with a test light or ohm meter a computer scan for trouble codes will tell u if u have a cooling fam switch problem hope this helps lsauto
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Wednesday, October 28th, 2020 AT 6:15 PM (Merged)
Tiny
AAJ
  • MEMBER
  • CHEVROLET MALIBU
Try to overheat shortly after driving. Hoses have been checked for leaks. When a/c was running while car in park, cooling fans do not come on. What should be checked? Radiator relay switch/temperature sensor plugs. Or should the radiator be flushed? I also read perhaps the radiator neck needed to be sanded? Thank you in advance for any assistance.
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Wednesday, October 28th, 2020 AT 6:16 PM (Merged)
Tiny
MERLIN2021
  • EXPERT
Never heard of sanding the radiator? But if the fuses both in the car and in the power distribution box are ok and the fan relay is OK, check the ECT(electronic coolant temp sensor), If all is OK the PCM is not turning the fans on!
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Wednesday, October 28th, 2020 AT 6:16 PM (Merged)

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