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Overheating

  

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1999 toyota corolla 379K miles

Fan does not turn on when temp goes up, but when you turn on the AC both fan turns on but overheating still continue to come up.

Use paper clip to jump the radiator fan, it turbs on but car still overheating.
replace:
radiator (may 2022)
radiator fan (may 2022)
fan switch november 12 2023
temperature sensor november 12 2023
water pump november 12, 2023
fan relay 
thermal stats november 11 2023
 
coolant recently flush. 
 
miles 379 miles
 
complete orig. car no mods.

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1 Answer
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Test for a blown head gasket.

https://www.youtube.com/watch?v=v0U8Iyf0kk4


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