2004 Chevy Blazer Heater/Defroster

2004 CHEVROLET BLAZER
69,000 MILES • 6 CYL • 2WD • AUTOMATIC
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MAD_GOALIE35
  • MEMBER
  • 1 POST
My heater/defroster just stopped working on my blazer however my rear defroster still works. Could this be a thermostat issue or something else? I ask as I need to get it fixed as it's getting cold out and I don't have much money at all.
Thank You
Dec 16, 2009 at 11:29 PM
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SWILLIAMS
  • ✓Experienced Mechanic
  • 597 POSTS
What do you mean when you say it doesn't work? You turn the control to defrost and it doesn't switch over to the dash outlets? You don't get any heat out of the system? Does this have the manual heat controls or the automatic controls? What does the temperature gauge read? No fan?

There are a few things it could be, for instance if the engine warms up to normal temperature, the thermostat is OK. The answers to the above questions will help narrow it down.
Dec 17, 2009 at 4:39 PM
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