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Re: 2003 Lancer AC knob wont switch all the way over to...
This is due to the cable behind the dash kinking when you move the knob at worst you may need a new cable at best you can try to get your head under the dash and reposition the cable eg. cable tie it over to one side so it dosn't kink
its not to hard to do just a little hard to get to good luck
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Sorry to say there's no easy button in the automotive world yet. You're heater controls are cable
operated and a cable problem most likely caused the knob problem. If you just want a temporary
fix, remove the control assy. from the dash. The front trim cover is held by 8 clips 2 top 2 bottom
and 2 on each side, with a small thin screwdriver, gently pry around the cover till it pops off.
At this point you should be able to see if there are screws or clips that hold the assy. in place.
The objective is to remove the problem cable from the assy. and pull it down from under the dash
where you can operate it with a pair of baby vise grips. Next, put the rest of the heater control assy. and trim plate back in place, and use those controls normaly. Thats one way to get by what is a stupid design to start with. Hope this helps.
The cable that flips the heater valve has become bent and will always bind until it is replaced. If twist the knob back and forth gently you can work the knob over to the heat side . The bad news , it is easy to turn the heat off , but it will be tricky to finesse the the heater back on again.
The wire has been bent. If you work the switch twisting gently you can actually get it to switch over from cool to heat. The only way to fix it is to replace the wires for the coolant switch. Rest assured you are not the only one with this problem. Just don't force it. Gently turn back and forth till it moves over.
The sliding switch on the console is stuck in the cold position and the knob is pulled off. Use pliers to jiggle the switch as best you can. Feel under the center console and you probably will find the cable that is hooked up to the flapper. You'll know because when you jiggle the cold/heater switch at the upper console, the cable will move slightly. At the hookup of the cable to the flapper down under the console (passenger side) try to work the flapper loose to the open (or close) position. At the same time work the sliding switch (with pliers). The flapper will come loose and function properly. Try not to knock of the AC button like I did in the process. It flew off some where under the passenger seat. I'll find it sometime before summer. Ha.
You have a broken mounting at the end of the cable,at the housing thats why the temp. control knob doesnt work,you can remove the center console to gain access to pivot the broken piece manually and try to modify it so you can attach the cablr
The cable that pulls the cool/heat switch on the a/c gets weak and it doesnt allow the dial to switch over to heat. You can see that cable and the way its supposed to work on the right side of the gas pedal over it. I usually just use my foot to push that switch over to heat and reach with and pull on it with my right hand to cool.
Needs a blower motor resistor if the fan only blows on one speed. It is located underneath the firewall on the outside, near where the passenger exhaust system is. You need to take the passenger side cat converter off to get to it.
so the knob is either broken or stiff to move and plyers wont turn all the the way to throw heat or cold air out for you.
gently undo the two screws underneath your heater controls ( 2 screws)
after that pull that peice out (there are no clips so it should be easy)
after that is out you have more room to play with (getting your hand up behind the controls)
now take the peice around the heater knobs and cd player off there are a few clips on this part so be careful not to break any but if gentle should come out easy.
after thats off unscrew the cd player and unconnect the attena wire (small black wire hooked at far left of cd player) and the other radio harness.
after that remove cd player out of the way.
then you can see that your heater/ ac knob switch is controlled by a plastic arm try and push all the way to the left for heat and right for cold air. (this is one of the ways if they plyers arent working anymore)
another place to look if your not getting the right results yet is underneath near the gas a break pedal to the right its a white plastic peice with another arm system in which you can either push toward the front of the car for heat or back to driver for cold air (may have them mixed up but either or should give results)
re assembe and your good to go rather then a costly trip to the dealership if your just looking to stay warm in the winter or cool in the summer.
check the heat selector is too tight, then look under the driver side on the right to check the white heat selector is jam. You can see a black cable connected to it. Turn the heat selecter knob and check see whether it move freely. good luck.