Cooling fans

Tiny
DA GOAT JMC
  • MEMBER
  • 2011 CHEVROLET CAPRICE
  • 6.2L
  • V8
  • 2WD
  • AUTOMATIC
  • 93,000 MILES
Car started to over year so I replaced the cooling assembly with a new one but fan only comes on when I use the A/C. I also replaced the three relays and still the same issue. The fans used to come on every 10-15 seconds now nothing not even when the motor warms up.
Friday, May 17th, 2019 AT 6:21 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Some makes and models, the fan will come on and run if you unplug the coolant temperature sensor. I'd take a look at that sensor. Any applicable trouble codes?
https://www.2carpros.com/articles/how-an-electric-cooling-fan-works
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Friday, May 17th, 2019 AT 8:10 AM

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