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Servicing the IAC

Over the years i have made it a point to disect parts to see how they work. The Ford IAC is one. I have found that it can be cleaned but not thoroughly. So what i do is completely break it down and clean it properly. First remove the back plug cap. Its a thin rolled over piece that is easily removed. Then you will see the big brass plug. It has a slot for removal. Sometimes it is very difficult to remove. I normally use a wide blade screwdriver. If it wont come out i heat around the rim with a torch.  This usually allows the removal of it most times. I only had a few that would not come apart. In the photo you will see all the components. I chuck the valve portion in an ELECTRIC drill and spin it. Then i polish it with Emery cloth. I then clean the body and install a new O ring with a liberal coat of Dielectric compound on the seal. Presto valve works GREAT. The easiest way to check if a valve is dirty is to blow air through it. The furthest hole away from the plug should not pass air. If it does it is dirty or needs repair. I pay 80 bucks for original valves. So if you can clean one properly its money in your pocket. Hope you like this TIP.

http://i28.photobucket.com/albums/c209/tfalconier/001-3.jpg
I spend money I don't have, To build  cars I don't need, To impress people I don't know

HAVE YOU DRIVEN A FORD LATELY!!

Servicing the IAC

Reply #1 –
I may experiment with that tip, although I'll need something to re-cap the end. I need it to look right after the clean up. Any tips for re-capping? Maybe a brass freeze plug (it could be easily polished !!!) that would fit snug on the end like a cap? I wonder...................
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

Servicing the IAC

Reply #2 –
Geez Vinnie... everything doesn't have to be polished...lol
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***** Project "EVOLUTION" 1987 Cougar LS  & 1985 Cougar Convertible *****
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5.0 HO 306 roller block, machined GT-40P heads, Wiseco dished forged pistons, Eagle forged floating I-beam connecting rods, Lunati pushrods, ARP bolts, Scorpion aluminum 1.6 rockers, Comp Cams Magnum 266HR, Explorer intake, 65mm TB, MAF Conversion, 19# injectors, Ford Racing stainless P-headers, 2-1/2" cat-less exhaust w/ Flowtech Afterburner lers , SC AOD with 2800 BDR torque converter, 3.73 T-Lok rear, CHE rear control arms, full 2-1/2" frame w/1" jacking rails & seat supports, Rear disk brakes, Turbine wheels, All original interior w/ floor shift upgrade .......
Pretty much every panel on my 87 is new, rebuilt, or re constructed. :D
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Servicing the IAC

Reply #3 –
Actually i leave mine open. It Dazzles the guys at the CAR SHOWS. Some ask about it and others just look and dont know what to SAY. Its funny how different people react when they see it. Some think its adjustable and and some ask me where i bought it. They think its an aftermarket UNIT. I actually dont comment on it and it is the talk of the show. I am passing this stuff on as i grow older. Pop always told me to be open about cars and how we and others find fixes to problems. He lived through the depression with my grandfather that started the business and we rebuilt and fixed EVERYTHING. Their was no such thing as a rebuilt starter or Generator. YOU FIXED IT PERIOD. 

Note sometimes its real hard to get the plug out. Sometimes i have to make a slot the entire way and use a piece of flat stock. Sometimes they wont come out. So its a throw of the DICE. Just something to think about. Make sure you have a good replacement handy if its your daily driver. Thanks
I spend money I don't have, To build  cars I don't need, To impress people I don't know

HAVE YOU DRIVEN A FORD LATELY!!

Servicing the IAC

Reply #4 –
Nice work ! "save as"

: )

Servicing the IAC

Reply #5 –
Pretty cool, thanks for the info.
95 Ranger Splash 2.3
88 Tbird Sport :ies::ies:
5.0 SO, stainless shorty headers, w/ Magnaflow lers. KYB struts, KYB shocks. 5lug conversion from sn95 Mustang, subframe connectors, drilled and slotted rotors, 03 Mach 1 wheels. sequential taillights.140 speedo
 

Servicing the IAC

Reply #6 –
Quote from: daminc;364667
Geez Vinnie... everything doesn't have to be polished...lol

Of course everything doesn't have to be polished. Just MOST everything......if it's free. LOL.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..