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Posted

Is anyone knowing what the coolant engine temperature for Toyota Aurion should be? My is reading 93 C engine running in idle and when it drives the temperature dropped to 83-87 C. Looks low to me and maybe it requires to change thermostat? From the top of my head this coolant temperature should be around 95 - 105 C

Posted

95C is the temperature when the cooling fan starts operating.

https://fdocuments.net/document/2gr-fe-cooling.html?page=5

2GR-FKS: "Thermostat with electric heater, nominal opening temperature 85-89°C - engine is about 5 degrees "hotter" than the 2GR-FE." https://toyota-club.net/files/faq/13-11-10_faq_gr-engine_eng.htm

https://toyota-club.net/files/faq/13-11-10_faq_gr-engine_eng.htm#2GR-FE

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Posted

Need to be careful when looking at thermostat temperatures too, depending on the engine sometimes they are on the "cold" side of the radiator (ie letting coolant back in to the block from the radiator) so naturally will open/close at a lower temperature

  • Like 3
Posted
2 hours ago, campbeam said:

95C is the temperature when the cooling fan starts operating.

https://fdocuments.net/document/2gr-fe-cooling.html?page=5

2GR-FKS: "Thermostat with electric heater, nominal opening temperature 85-89°C - engine is about 5 degrees "hotter" than the 2GR-FE." https://toyota-club.net/files/faq/13-11-10_faq_gr-engine_eng.htm

https://toyota-club.net/files/faq/13-11-10_faq_gr-engine_eng.htm#2GR-FE

Thank you very much!!! Now I am confident that nothing wrong with a cooling system of my car

  • Like 1

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