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Engine overheating You can hear coolant bubbling?

Tiny
DRBOYD1968
  • MEMBER
  • 2003 CHRYSLER PT CRUISER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Engine overheating. You can hear coolant bubbling (kind of sounds like boiling) when you shut the car off. We replaced the thermostat today and that didn't help. It still overheated while driving it.
Friday, March 15th, 2019 AT 9:27 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This could be a problem with your water pump. There should be a weep hole visible when you inspect the water pump. Could you check and see if you have coolant coming from it. This usually happens when the water pumps bearing starts to fail.
I have included a couple of links for you down below.

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

In the diagrams down below I have also included step by step instructions for the removal and installation specifically of your vehicle water pump. Please get back to us with what you find out.

Thanks,
Alex
2CarPros
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Thursday, July 1st, 2021 AT 1:31 PM

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