it started overheating. The fan turns on

1995 TOYOTA COROLLA

ALEMUS3

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Good morning, the problems starts off with the Freeze plugs being cracked. I did what i had to dow hich was remove drain the cooling system and take out the radiator. I replaced the freeze plugs and put everything back together. I bought PEAKS radiator flush system which was a solution that i needed to put int he radiator mixed with water and run the car for 6-8 hours before draining it and adding the antifreeze. The car right now still has the Peak and water mixture and it started overheating. The fan turns on and it has a new thermostat that I put in about two months ago. What can I do?

Nov 25, 2009 at 8:38 AM

SQM

CAR REPAIR CONTRIBUTOR
6,383 POSTS

Hello,

An engine can overheat for few different reasons.
First of all, it could overheat due to a bad water pump, if the water pump is not circulating the coolant properly it can overheat. Of course, it can overheat due to a stuck closed thermostat. It can overheat due to a bad radiator or having a contaminated or clogged coolant system.

Here are couple of helpful articles:

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

https://www.2carpros.com/articles/symptoms-of-a-bad-water-pump

Please let me know what you find out.

I have attached the water pump replacement procedure below.

Please let me know if you have any questions.
Thank you.

Images (Click to enlarge)

Dec 7, 2021 at 2:39 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.