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Fishing technician
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Discussion Starter · #1 ·
I have a rough idle and I want to take the idle air control valve off. I took the 1 torx screw off and I thought it would come off but it didnt. What do I need to take off to get the IAC valve off? This is a 2004 with a V8 4.7. Help please.
 

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Theres 2 screws i think, take the whole TB off because you will want to clean it. The crank case gases reroute into the intake tube and into the tb. Lots of nice carbon buildup.
 

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There is only one screw on his 04. I would think because of only having one screw it might twist in but I don't really think it does. I don't recall when I took the IAC sensor off an 03 TB that I sold. I think it should just come out, might just be stuck from the o-ring.
 

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Fishing technician
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Discussion Starter · #4 ·
will it hurt the IAC valve if I try to tug it off hard? or should I not do that. I cleaned the throttle body and inside and out already. Just need to clean the IAC. but wont come off maybe I need to tug it off.
 

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I wouldn't really "tug" it off because it is a delicate sensor and if you hit or twist the plunger on it it can go bad. You could give it a little moderate force but be very careful not to hit it when you are trying to pull it out.
 

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Maybe try to wiggle it back and forth and see if it will loosen. Again I am not to familiar with the 2003+ IAC sensor and how it mounts to the TB.
 

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I'm sure someone with the right year truck will chime in soon. Sorry I couldn't be of more help to you though. I definitely do not recall having any difficulties when I was removing the sensor from the 03 TB that I acquired.

I'm sure yours is just gummed up and stuck but I would be the same way if I was in your situation, afraid to break something.
 

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will it hurt the IAC valve if I try to tug it off hard? or should I not do that. I cleaned the throttle body and inside and out already. Just need to clean the IAC. but wont come off maybe I need to tug it off.
IF you didn't get the IAC valve off than you haven't cleaned the TB "inside and out"... There is a large cavity where the IAC sits that will be VERY dirty.
 

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the IAC on an 03+ TB has a double O ring that is a real tight seal. you can try twisting it back and forth and it should break loose. Just be careful when putting the IAC back in. you can cut the o rign real easy as I have done. if you do cut one. just go to auto zone and they will have an O ring that will fit it. where I got mine as the dodge dealership dont sell the O rings separately. they sell it in a ring pack and cost like 50 bucks or might be more.


but it will come out its just as tight as screwing a virgin :funny:
 

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Fishing technician
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Discussion Starter · #11 ·
alright thanks man. ohhh do I have to take the throttle body apart to do this or can I just unscrew that 1 torx screw and pull it out?
 

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I've removed mine several times... I just put a flat tip screwdriver between the TB and the IAC valve and gently pry.
 
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