Nope it is "dial type" controls... Dash vents all work, drivers defrost works, drivers floor is weak but still there, but nothing out of passanger defrost or floorNope it is "dial type" controls... Dash vents all work, drivers defrost works, drivers floor is weak but still there, but nothing out of passanger defrost or floor
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Dear Aaron,
Your heater and air conditioner assemblies are partly vacuum actuated.
The parts underneath the dash are also largely plastic.
Many, if not most of the time, either there is a vacuum leak ( that you
probably cannot hear) or a plastic part that is sticking or has broken. Those parts like that are usually inside the housing & ductwork under the dashboard on the right side also under the glove box.
God bless your efforts.
you can have relay fan faulty, blower, or heating elements or duct NOT o.k .However you can go to www. aa1car.com get the topic and fix it.
God bless you
My blend air door is stuck on my 2010 liberty. I have removed the actuator panel on the drivers side and the middle door that controls the air flow to the dash is completely seized. There are 4 blend air doors on this liberty, 2 control the heat/ac and 2 control the air flow.
there is no access to them from the drivers side and the passanger side looks like I have to cut into the air box to get to them.
Your vehicle uses electronically controlled blend doors to direct th air flow from defrost to vent and to the floor . If the door motor is bad then it will stay at a fixed position so you will not get the air to flow out the defrost ducts. There are at least two of these one for air blend and one for fresh air. They are located on the passenger side usually under the plastic cover and have a wire harness that plug in and are usually shaped like a piece of pie.
--- HEATING AND AIR CONDITIONING
Refer to Section 1 for discharging and charging of the air conditioning system.
The heating system provides heating, ventilation and defrosting for the windshield and side windows. The heater core is a heat exchanger supplied with coolant from the engine cooling system. Temperature is controlled by the temperature valve which moves an air door that directs air flow through the heater core for more heat or bypasses the heater core for less heat.
Vacuum actuators control the mode doors which direct air flow to the outlet ducts. The mode selector on the control panel directs engine vacuum to the actuators. The position of the mode doors determines whether air flows from the floor, panel, defrost or panel and defrost ducts (bi-level mode).
its likley to be the pipe has been riped off or fell off or its the flaps on the heater box its self not opening,,,have a look under the dash to fine any pipes that are off the heater box,,
anyhow, who cears if the passanger gets cold,,, its the driver who needs to keep warm!!!!
unless its the other half? or worse still its the mother in law!!!! ho ho ho!
there is a small vacum hose from on top of the motor to a junction of hoses on the passanger side behind the ww washer holder. It could be cracked or broken, although this defaults to high spped of the fan on defrost only. NO air flow can be a blown fan fuse...blocked doors...etc
I assume you have the dual climate control feature on your truck. it sounds like you have door problems. The heating system has several doors inside the box and duct work that divert the air from defrost to face and feet...i'm not 100% sure if the ones in your truck are electronic or vaccum, but i think they are electronic. From time to time the actuators that control the door go out, as every electric motor does. You need to find the ones that have quit and replace them. It is possible that the arm(s) on the actuator(s) have broken loose from the doors and are working but not pushing or pulling the doors properly...if might help to remove the front seats...just to help save your back....working under the dash is hard on your body....and it take a good half day to remove the dash, so working under it is actually less work.
Nope it is "dial type" controls... Dash vents all work, drivers defrost works, drivers floor is weak but still there, but nothing out of passanger defrost or floor
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