Question about 2007 Chevrolet Uplander LS Minivan

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When I turn the heater on burnt plastic smell from vents

When I turn the heater on, I start smelling plastic burning from front vents. Any ideas on cause?

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It could be your heater blower motor or the blower speed regulating reisitor.
Try different blower speeds, see if the smell goes away. Also if one or more speed setting don't work, it is more than likely it is the resistor, if no to the tests, it is more likely to be the blower motor.
Also check to see if the blower intake is blocked.

Posted on Mar 02, 2010

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