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2001 GMC Sonoma change thermostat and still no heat

Tiny
BLUEMARBLE
  • MEMBER
  • 2001 GMC SONOMA
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 88,721 MILES
What schould I do next?

updated 11/18/09
I did flush out the heater core and that did it. Thank you so much. I fix the Sr. Cars around here at no cost. I am retired and glad to be able to do it.
Monday, October 26th, 2009 AT 7:01 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Have you bled the system? Also, I need you to check something. With the engine warm, the heater on high, and the hood open, feel if both heater core hoses are hot.

Let me know what you find.

Joe
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Tuesday, November 17th, 2009 AT 5:57 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hay, I'm glad you got it fixed. LEt us know if you have questions in the future.
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Tuesday, November 17th, 2009 AT 8:13 PM

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