Overheating

Tiny
PINTORIS HILL1
  • MEMBER
  • 2005 CHEVROLET TRAILBLAZER
  • V6
  • 2WD
  • AUTOMATIC
  • 155,670 MILES
I put new thermostat and flush the radiator, after I drive it for sixty minutes the temperature hand moves, but it still has plenty of water in it.
Tuesday, May 28th, 2019 AT 1:37 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi Pintoris Hill 1,

I attached the description of the cooling system for your vehicle. Two things come to mind. First, the cooling fan operation. Second, the water pump is failing.

Couple questions, does the vehicle actually overheat? How high does the temperature gauge get? You said the temperature hand moves but does it actually overheat to the point that it raises past the normal range?

Do you know if you have any DTCs in the computer? If you do that could point to the cause of the overheating.

Here are some guides to look through just to familiarize yourself with what we need to do:

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

https://www.2carpros.com/articles/symptoms-of-an-overheating-engine

Let me know if your cooling fan is running (I assume it is because you wouldn't make it 60 minutes with no fan) and if you have done anything with the water pump. Thanks
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Tuesday, May 28th, 2019 AT 3:45 PM

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