When I select roof or floor heat/air vents there is a clicking noise and a slight electrical burning smell, I keep it on floor now and there isn't a problem but when I switch it to roof vents is when I hear and smell it, any ideas??
Re: clicking noise behind right side second row seat
I had the same Problem on my 2003 Ford Expedition Eddie Bauer. I bought the part for the Rear Temperature Blend Door Motor and had it installed and the problem was gone. I bought it mail order from this Ford dealership and the price was much lower than in my area: firstname.lastname@example.org
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That truck had two electric motors that change from hot and cold air and from vents, floor, and defrost. one is located on top or on the side (facing the seats, behind the center dash piece) of the air box in the dash, and the second is on the left side of the air box next to the radio module above the gas peddle. Had the same issue with my 88 Silverado and changed both. I dont think your problem is going to be the one near the gas peddle.
Do you hear a clicking noise when you turn your truck on? Its probably the actuator. While the defroster was on I removed the fuse locted under the rear driver side seat. I think its 36B. It stopped the clicking noise and my air vents work well now.
Hi, there. 2007 acadia, location of battery is conceled under the flooring. just behind the passenger seat. Go the the right side second row seat, look down and remove the floor matting and you will see a depressed cover with a #15 torx bolt. : )
The actuator needs to be replaced that is behind the rear panel on the passenger side. NAPA has this part for around $50. To get this panel off and make the access easy, take out middle right seat and rear right seat. Once you get all of this out of your way, you will see two actuators, one for vent (roof or feet) and one for heat & cold. Took about 3 hours from start to finish and this included a trip to NAPA.
the battery is IN the floor of the inside of the car ,,,on the passenger side of the second row seating ( behind the front passenger side seat),pull up the floor mat and the will be a false floor with a screw ,might be a torxs screw,remove it and pull up the panel and the plastic trim and there is youfre battery
make sure the control knob on the dash is on "RR". This lets the driver control all the vents in the back. The heat only comes out of the floor vents, if you have the knob on the blue dots that represents the air conditioning in which the cool air will come out of the vents up above in the back. There is also an area on the control knob on the dash where you can turn the knob to shut the heat and air conditioning off. If the knob is in this position then you can control everything with the knob up above the seat right behind the driver's seat.
Air inlet door
Temperature blend door
Auxiliary mode door
The auxiliary A/C and heating system has the following features:
The auxiliary A/C and heating system is functional whenever the instrument panel mounted A/C control is in any position except OFF.
The auxiliary blower motor recirculates the air inside the vehicle. Outside air is not available to the auxiliary system.
Air is cooled and dehumidified by the auxiliary A/C evaporator core only if the instrument panel mounted A/C control is adjusted to a position that requires A/C compressor operation.
The temperature blend door and the auxiliary mode door are controlled by electric actuator motors.
Movement of the auxiliary temperature control between COOL and WARM causes a corresponding movement of the temperature blend door to mix air flowing through and around the auxiliary heater core.
Movement of the auxiliary mode control between PANEL and FLOOR causes a corresponding movement of the auxiliary mode door to direct air flow between the panel (headliner) registers and the floor duct.
I would say the auxiliary mode door (#4) electric motor is not wokring.
Auxiliary Blend Door Actuator —Air Distribution
Removal and Installation
Remove the RH quarter trim panel cup holder and access panel.
Remove the screws.
Disconnect the blend door actuator electrical connector.