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1999 Chevy Blazer Temperature Guage

Tiny
JUDGE22
  • MEMBER
  • 1999 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 12,000 MILES
The temperature gauge shows that my engine is close to overheating. The gauge normally stays around 210, but now it is inching closer to maximum. I have had this problem for some time. Recently, I had my engine replaced with a used motor, but the temperature gauge is acting up again. Can you give any suggestions as to why and how I can fix this problem? Thank You.
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Wednesday, August 19th, 2009 AT 7:48 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, just some possibilities, water pump-- thermostat--clogged radiator-- cooling fan-- coolant temp sensor, maybe an air pocket in the cooling system, maybe an engine issue? I'm not saying replace anything, I'm just listing possbilities

I'd remove the thermostat, hook everything back up, start the vehicle, check for coolant flow through the radiator. That should show that the water pump is working.
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Wednesday, August 19th, 2009 AT 10:09 AM

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