Heater

Tiny
BEVAN
  • MEMBER
  • CHEVROLET
My wifes 2001 Chevey Blazer heater was not working al that great. I replaced the thermostat and now I have no heat at all. Is my heater core going out or is there another problem?
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Sunday, December 3rd, 2006 AT 5:31 PM

5 Replies

Tiny
BACKYARDMECHANIC
  • MEMBER
Sounds like one of two things may of happen. The good news is I don't think the heater core needs to be replaced. First you said that after you replaced the thermostat that you have no heat. Make sure the coolant system is completely full. Turn the heat on with the the car running untill full operating temperture is reached. Check that the coolant level is good. It may of dropped a little when the tapped air in the system came out. This will cause the coolant not to flow very well through the heater. If this doesn't correct the problem then remove both heater hoses to flush the heater core. It may have become clogged and needs to be flushed which can be done with a garden hose. Take notice to see if the water is flowing good and continue to flush untill no more debris comes out.
Hope this helps Backyardmechanic :)
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Sunday, December 3rd, 2006 AT 7:45 PM
Tiny
BEVAN
  • MEMBER
I was looking at the overflow container and it looked really dirty. I will try that tomorrow and I will let you know if that works. Thank you for your quick response.
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Sunday, December 3rd, 2006 AT 11:13 PM
Tiny
BACKYARDMECHANIC
  • MEMBER
Your welcome let me know how it goes.
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Monday, December 4th, 2006 AT 6:34 AM
Tiny
BEVAN
  • MEMBER
Sorry it took so long for me to write you back. I still have not flushed my wifes radiator yet. The reason why, it is working fine now. Thank again
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Wednesday, December 13th, 2006 AT 9:53 PM
Tiny
BACKYARDMECHANIC
  • MEMBER
Your Welcome again. :D Wish all problems just would go away. Must be holiday magic in the air LOL.
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Thursday, December 14th, 2006 AT 9:08 AM

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