Thermostat the water pump and it is still getting hot?

Tiny
NEWOYMMAT
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
Our car got hot we changed the thermostat the water pump and it is still getting hot.
Monday, October 25th, 2010 AT 2:11 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,199 POSTS
Hi,

This can be the result of a few things. Most commonly, it is due to a partially plugged cooling system due to corrosion. With that, I would start by flushing and refilling the cooling system.

Here is a link that explains the flush and refill procedure:

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

If the system is clean already, the next thing to check is if there is an issue with a bad head gasket. If you look at the link below, it describes what to check for when suspecting a bad cylinder head gasket.

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

Let me know if this helps or if you have other questions.

Take care,

Joe
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Sunday, September 5th, 2021 AT 10:03 PM

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