Overheating

Tiny
TRAILBLAZER4WD
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.2L
  • V6
  • 4WD
  • AUTOMATIC
  • 110,000 MILES
I recently replaced my water pump and thermostat and now I’m exceeding over 210* F. Any suggestions what’s causing this?
Friday, February 22nd, 2019 AT 9:22 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This could be a problem with an air pocket. Air pockets will keep the coolant from circulating, creating hot spots. I have included directions for coolant filling in the diagrams below. Get back to us with what you find out.

Thanks,
Alex
2CarPros
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Friday, February 22nd, 2019 AT 9:44 PM

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