Question about 2002 Nissan Pathfinder

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2000 Pathfinder heater - lower (feet) no heat

My heater works fine and blows either windshield or direct cabin heat or both. When I select cabin and floor, the floor heat does not come out, only the cabin. Any help would be appreciated. Thanks

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  • Anonymous Mar 23, 2014

    heat does not blow on floor

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Check to see if the cable has come loose from it`s clip.
Look under the dash with a torch.

Posted on Jan 29, 2009

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Heater not blowing hot air in cabin


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You also have a heater valve that allows the heated coolant to enter the passenger compartment into a heater core (small radiator to allow heat to transfer into the air when the blower blows air across the core) - this can also be vacuum controlled or cable controlled or electronically controlled - if it malfunctions then you may not get any heat into the passenger compartment - you will have to determine if the valve is not getting the signal to open or is bad and will not open - good luck :O)

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There are little doors under the dash that direct the air to either the vents (blows at your face), the defrost (blows at the windshield), or underneath (blow to your feet area) - these doors are controlled by what's called actuator/s and they are usually controlled by vacuum or cables - when the air won't change directions it can be either the vacuum switch, the vacuum line disconnected, cable disconnected or the actuator itself can be stuck or bad...

You also have a heater valve that allows the heated coolant to enter the passenger compartment into a heater core (small radiator to allow heat to transfer into the air when the blower blows air across the core) - this can also be vacuum controlled or cable controlled or electronically controlled - if it malfunctions then you may not get any heat into the passenger compartment - you will have to determine if the valve is not getting the signal to open or is bad and will not open - good luck :O)

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