Corolla heats up after troubleshooting

Asked by Corolla_2000 Nov 19, 2019 at 10:13 AM about the 2000 Toyota Corolla

Question type: Maintenance & Repair

Hello Everyone, my 00 corolla heats up quite rapidly. I just
changed the radiator today, two weeks ago, I changed the
water pump. About a month ago, I started out by changing
the thermostat. I have limited resources, and it appears I
have been mislead by these mechanics.

I read the serpentine belt, temperature sensor, fan relay or
temperature gauge can also be causes for overheating. Is
there a way for me to troubleshoot the exact cause
without continue to pay for misleads. I am about $500 in
the hole already.  

Any guidance will be appreciated.

4 Answers

10

One of the first things I'd check is the temperature sensor, and fan relay. Fan relay is easy to test, drive or rev the engine until it reads that it's pretty hot, and check if your fan is running. The temperature sensor might also be the issue, I'd check that the engine is actually overheating, and not just reading hot.

1 people found this helpful.

Interesting thing is that the vehicle lowers the temperature when I turn on the A/C. Those that have any impact?

1,720

yes when you turn on the AC one of the fans will turn on and it sounds like one isn't working that is controlled by the temperature sending unit sensor

1 people found this helpful.

Thanks PotatoLaser and Lincoln Scott49 for the kind guidance.

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