Engine running hot

Tiny
MVANN74
  • MEMBER
  • 2008 CHEVROLET IMPALA
  • 3.9L
  • V6
  • 2WD
  • AUTOMATIC
  • 162,015 MILES
Car listed above has a police package. I've replaced the thermostat, water pump, radiator, radiator hoses, coolant temperature sensor, and added coolant. Still running hot. Can anyone please tell me how to solve this issue?
Tuesday, May 25th, 2021 AT 10:18 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 51,969 POSTS
It sounds like you may have a blown head gasket. to be sure this guide can help confirm the issue:

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

and

https://www.2carpros.com/articles/head-gasket-blown-test

If positive we have had good luck with blue devil head gasket sealer check out this video:

https://youtu.be/Xi41RFMP8Ow

Let us know what happens and please upload pictures or videos of the problem.

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Wednesday, May 26th, 2021 AT 10:36 AM

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