Monte Carlo & Lumina Since the 1970s, the Monte Carlo has been an icon of American stock car racing. A 4-door version, the Lumina, was produced in the late 90's.
Platform: A-, G-, & W-body

Heat Not Working on Driver's Side

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Old August 6th, 2016, 11:17 PM
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Default Heat Not Working on Driver's Side

I have a 04 Monte Carlo LS 3.4 liter and the heat will not work on the driver's side of the car. The AC works fine on both sides of the car. I've checked the fuses and can't find any bad fuses. Does anyone have any info on what might be causing this? Thanks!
Old August 7th, 2016, 7:40 AM
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Check the blend door actuator for the drivers side. They are made of plastic and usually fail after time.




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