Why does my temperature gauge keep getting high?

Tiny
FNAMAN
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 132,400 MILES
I've already changed the thermostat, did a radiator cleanse. When the heater is on high the temperature goes up even more. The heater has not been working for about a year now. So I know something is wrong cause the heater will blowout really hot air when temperature gauge starts to go.
Thursday, April 5th, 2012 AT 4:22 AM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
What about your thermal clutch is that working like it should?
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Thursday, April 5th, 2012 AT 4:31 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Thermal fan clutch iam talking about that.
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Thursday, April 5th, 2012 AT 4:32 AM
Tiny
DJCL
  • MECHANIC
  • 767 POSTS
Have you made shore there is no air in the system?
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Thursday, April 5th, 2012 AT 5:30 AM

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