Overheating

140,000 MILES • 3.5L • 6 CYL • 2WD • AUTOMATIC
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STEPPYY
  • MEMBER
  • 1 POST
Took out thermostat it is still overheating, do not know from where.
Sep 23, 2018 at 6:49 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Hi and thanks for using 2CarPros.com.

I have some questions. Does the vehicle overheat at highway speeds or only during in town driving? Are there any leaks or coolant usage? Is the radiator cap good? Have you tried flushing the radiator and engine block? Are the cooling fans working?

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

I recommend replacing the thermostat. Removal can actually cause the engine to over heat due to how rapidly the coolant can flow. If it does not have a chance to cool in the radiator, eventually it will over heat. I would suggest a new one in place of the one removed.

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



Last, a blown head gasket can cause an engine to over heat. Here is a link that describes what to check for a blown head gasket:

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

Let me know if any of this helps or if you have other questions.

Take care,
Joe
Sep 24, 2018 at 10:32 AM
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