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Overheating issues?

Tiny
SHAWSHANK
  • MEMBER
  • 2002 OLDSMOBILE SILHOUETTE
  • 308,331 MILES
Okay, so got overheating issues, I realized the fans were not working, so a hardwired them to a toggle switch so I can turn them on. About a few months after that thermostat was locked on me. So, I replaced it about 10 months ago. Now it overheats and spews antifreeze out the cap or the reservoir tank. I'm not sure what the issue is here. Maybe I need to flush my system or something I don't know. Can you give me some feedback please?
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Tuesday, October 11th, 2022 AT 1:14 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It could be the radiator cap has gone bad or you have a blown head gasket. I would try a new radiator cap first.

Here are two guides that can help you find out and then fix the problem:

https://www.2carpros.com/articles/head-gasket-blown-test

and

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

Let us know what happens and please upload pictures or videos of the problem.
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Wednesday, October 12th, 2022 AT 10:58 AM

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