Coolant temperature goes up and down at slower speeds?

Tiny
BRYAN MARTIN
  • MEMBER
  • 2015 CHEVROLET EQUINOX
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
Coolant temperature goes up and down at slower speeds and the coolant fan is always running when I shut the engine down.
Sunday, February 25th, 2018 AT 5:39 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Here is a guide to help you see what's going on with additional related guides:

https://www.2carpros.com/articles/engine-overheating-or-running-hot

1. Low coolant level. You need to pressure test the system to verify no leaks.

https://www.2carpros.com/articles/radiator-pressure-test

2. Thermostat. Common problem s it sticks.

https://www.2carpros.com/articles/replace-thermostat

3. Clogged radiator. I would flush the system.

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

Roy
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Tuesday, April 20th, 2021 AT 1:06 PM

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