2003 Chevy Astro heater motor

2003 CHEVROLET ASTRO
170,000 MILES • 6 CYL • 2WD • AUTOMATIC
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WAGSWAY
  • MEMBER
  • 1 POST
could you please tell me why my blower motor is not working, i have change all of my vaccum lines. i was told that there is a relay by the water resevore that could be bad.
Dec 14, 2008 at 7:36 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Is the fan working? Is the engine coolant full?

Joe
Dec 16, 2008 at 7:43 AM
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TAT2EDONE
  • MEMBER
  • 2 POSTS
I WOULD CHECK THE PLUG TO THE BLOWER MOTOR TO SEE IF YOU HAVE VOLTAGE THERE FIRST,IF YOU DO THE BLOWER MOTOR IS BAD.IF NOT CHECKTHE RESISTOR THAT REGULATES THE SPEEDS TO THE FAN ITS IN THE ENGINE COMPARTMENT BUT YOU HAVE TO REMOVE THE WINDOW WASHER BOTTLE TO GAIN ACCESS,IF THATS GOOD CHECK THE SWITCH INSIDE.THIS HAPPENED TO ME AND IT WAS MY BLOWER MOTOR.
Dec 24, 2008 at 5:25 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Hi
I am trying to determine if the fan is working or you lack heat. Let me know and I'll walk you throught the process of elimination.

Joe
Dec 24, 2008 at 7:02 AM
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