Question about 2003 Buick LeSabre

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Heater fan not blowing 2003 buick lesebre - 2003 Buick LeSabre

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  • Anonymous Feb 27, 2009

    Fan will turn if I give it a poke with a stick, otherwise not.

  • roget2009 Mar 16, 2009

    fan will not blow when turned on, but starts to blow when hood is dropped shut! never fails to start when hood is slammed shut

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  • Buick Master
  • 60,689 Answers

U will need to test the fan motor 1st then if it is ok replace the blower motor speed control resistor.

Posted on Feb 23, 2009

  • reades Jan 08, 2011

    I replaced the blower resistor on my 2003 Buick Century and still the fan will not work at lower settings. Any solutions.

  • yadayada
    yadayada Jan 08, 2011

    Replace the blower switch.

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Did you carefully clean out all the debris from the heater box? Did your new blower come with a new fan unit, or re-use the old one? Can you hear the motor run but not blow? These fans are fragile when old, and sometime break right where they attach, thus no blow. If not running, check for current at motor, then resistor, then fuse. Only thing left is the switch.

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To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.------
Engine Overheats and heater blowing cold? http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html
---------Heat blows cold on drivers side and hot on passenger side? http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html
-----------
This will help.Thanks.

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1 Answer

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