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#556455 - 10/15/04 11:32 PM What to Use to Clean IAC Valve?
Jelly Offline


Registered: 08/10/03
Posts: 2569
Loc: College Dorm...
Carb Cleaner?

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#556456 - 10/16/04 12:00 AM Re: What to Use to Clean IAC Valve?
Whimsey Offline


Registered: 12/22/02
Posts: 3013
Loc: The Garden State
You might want to use throttle body cleaner. It will be most likely less caustic on the plastic and metal parts versus carb cleaner which can "melt" plastic and strip coatings off metal.

Whimsey

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#556457 - 10/16/04 12:17 AM Re: What to Use to Clean IAC Valve?
motorguy222 Offline


Registered: 03/19/04
Posts: 1798
Loc: Ky
WD-40 or something similar may be of help also.

I took one of those valves to my local NAPA once,wanting a new one,the guy behind the counter didnt know what it was.They also didnt have the part.

This was on a car that had been out long enough for parts to be available.I ended up going to a junkyard,I think it was $10,the valve worked great.Never had to replace it again.

Maybe the junkyard would be an option instead of trying to clean it.

[ October 16, 2004, 03:23 PM: Message edited by: motorguy222 ]

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#556458 - 10/16/04 12:30 AM Re: What to Use to Clean IAC Valve?
Jelly Offline


Registered: 08/10/03
Posts: 2569
Loc: College Dorm...
Had an issue where the car was idling way too high. I pulled the IAC valve out and it was heaviliy covered in carbon (well, I believe it was carbon buildup)...wiped off the buildup at the time, but didn't give it a good cleaning.

The idling is much improved/lower, but next weekend I'd like to thoroughly clean it off.

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#556459 - 10/16/04 12:54 AM Re: What to Use to Clean IAC Valve?
motorguy222 Offline


Registered: 03/19/04
Posts: 1798
Loc: Ky
Jelly,there is also a certain way those things are supposed to be put back in.They have to be adjusted before re-installing or you could damage the IAC Valve motor.

Is this out of your truck?

Do you have a manual?

I have a manual with some info about the IACV but it doesnt specify your vehicle.

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#556460 - 10/16/04 02:00 AM Re: What to Use to Clean IAC Valve?
Jelly Offline


Registered: 08/10/03
Posts: 2569
Loc: College Dorm...
quote:
Originally posted by motorguy222:
Jelly,there is also a certain way those things are supposed to be put back in.They have to be adjusted before re-installing or you could damage the IAC Valve motor.

Yeah, you just have to make sure to retract it before reinstallation.

If I'm remembering right, I believe the reason I didn't use any cleaner last time was because the IAC valve is an electrical component, and dousing it in a cleaner might not be the best thing to do...

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#556461 - 10/16/04 09:49 AM Re: What to Use to Clean IAC Valve?
seotaji Offline


Registered: 02/16/04
Posts: 1139
Loc: USA
use electrical contact cleaner?

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#556462 - 10/16/04 12:11 PM Re: What to Use to Clean IAC Valve?
BlazerLT Offline


Registered: 08/15/04
Posts: 2359
Loc: Canada
quote:
Originally posted by Jelly:
Carb Cleaner?

Just did my on a chev.

Throttle body cleaner and an old toothbrush worked wonders to get all the carbon off.

Rinse with the TB cleaner after the scrub and reinstall.

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#556463 - 10/16/04 05:01 PM Re: What to Use to Clean IAC Valve?
Pablo Offline


Registered: 10/28/02
Posts: 46592
Loc: Duvall WA - Pacific NW USA
Jelly - What kind of carbon stuff is in your IAC? Crusty? Oily?

I have used PB Blaster with good sucess on IAC's.

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#556464 - 10/16/04 11:04 PM Re: What to Use to Clean IAC Valve?
Jelly Offline


Registered: 08/10/03
Posts: 2569
Loc: College Dorm...
quote:
Originally posted by Pablo:
Jelly - What kind of carbon stuff is in your IAC? Crusty? Oily?

I have used PB Blaster with good sucess on IAC's.

Flaky/Crusty, not oily.

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#556465 - 10/17/04 02:08 AM Re: What to Use to Clean IAC Valve?
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 3508
Loc: Cajun Country, La.
Amzoil Power Foam is the best cleaner,but Deep Creep and CRC throttle body cleaner are good choices too.BTW,while you're in there clean your throttle body too. [Patriot]

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#556466 - 10/17/04 02:36 AM Re: What to Use to Clean IAC Valve?
Pablo Offline


Registered: 10/28/02
Posts: 46592
Loc: Duvall WA - Pacific NW USA
Power foam will work and be safer for your plugs....I was gonna say PB Blaster does pretty good BUT don't get gobs of it in your engine, it'll foul your plugs.

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#556467 - 10/17/04 03:14 AM Re: What to Use to Clean IAC Valve?
Jelly Offline


Registered: 08/10/03
Posts: 2569
Loc: College Dorm...
So can I use throttle body cleaner...

[ October 17, 2004, 06:50 PM: Message edited by: Jelly ]

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#556468 - 10/19/04 01:48 AM Re: What to Use to Clean IAC Valve?
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 3508
Loc: Cajun Country, La.
quote:
Originally posted by Jelly:
So can I use throttle body cleaner...

Yep,ide recommend that over carb cleaner any day!

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#556469 - 10/20/04 05:49 AM Re: What to Use to Clean IAC Valve?
oilpan49 Offline


Registered: 11/29/02
Posts: 926
Loc: Ohio
Hey,

Now that I think about it, my truck when you fire it up, it'll run at about 800 something RPM but if you leave it after a couple minutes of just sitting there idling, the RPM's will creep up to 1000.

I tried looking in my service manual for it, but the closest thing it explains is the IAC selenoid. Does anyone have a proper procedure for this step?? If I'm robbing this thread, I do apologize,,,,,,AR

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