Coolant boiling but engine not overheating?

Tiny
KHALIDDVD
  • MEMBER
  • 2012 GMC ACADIA
  • 3.6L
  • V6
  • 4WD
  • AUTOMATIC
  • 300,000 MILES
Coolant boiling but engine not overheating and decreasing became low in system after discharge at accumulator. What can cause and what to do?
Tuesday, May 14th, 2024 AT 4:13 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,446 POSTS
If the coolant is boiling then the engine is overheating, I would make sure there are no leaks and replace the radiator cap to start. How long does it take for the coolant to boil? If in a short drive, you could have a stuck thermostat which is common.

Here is a guide to help us:

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

Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car.

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

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Tuesday, May 14th, 2024 AT 12:07 PM

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