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How can I get a wrench on the IAC to remove and replace it? by Lou and Blue
Started on: 04-05-2014 11:52 AM
Replies: 8 (489 views)
Last post by: Lou and Blue on 04-06-2014 09:39 PM
Lou and Blue
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Report this Post04-05-2014 11:52 AM Click Here to See the Profile for Lou and BlueClick Here to Email Lou and BlueSend a Private Message to Lou and BlueEdit/Delete MessageReply w/QuoteDirect Link to This Post
My car hunts for idle once warmed up. I was advised to replace the IAC. So I bought a new one , but the throttle body has other protrusions such that I cannot get a wrench on the IAC to loosen and remove it. A socket cannot fit over it due to the same reason. How do I get this sucker off?!? Is there a specific special tool needed? My wrench just grips the edge of the flat point on the IAC and slips off.
Thank you!

------------------
===Always trying to find time to work on cars===
Louis Duet
Baldwin, Long Island, NY
Where driving hard is SOP.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Blue" <= '85 Fiero GT
Stock V6---Stock everything. Trying to keep it 'mostly' that way.
~~~~~~~~~~~~~~~~~~~~~
"Boo" <= '81 Delorean DMC-12
The "DuetLorean"
VIN #5835
Stock PRV engine
Robertson Equipped
Neiland/Delman Engineered
Carbed and loving it! (Peugot 604 manifold) ---"Sorry purists"

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Blacktree
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Report this Post04-05-2014 03:41 PM Click Here to See the Profile for BlacktreeClick Here to visit Blacktree's HomePageClick Here to Email BlacktreeSend a Private Message to BlacktreeEdit/Delete MessageReply w/QuoteDirect Link to This Post
It's pretty cramped in there, especially if you still have the stock throttle body heater lines. I've had some success using small or medium size channel-lock pliers. It's still a pain in the butt, though.
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Rodney
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Report this Post04-05-2014 03:46 PM Click Here to See the Profile for RodneyClick Here to visit Rodney's HomePageClick Here to Email RodneySend a Private Message to RodneyEdit/Delete MessageReply w/QuoteDirect Link to This Post
A standard 32 mm socket fits but hits the aluminum body and scratches it. I had some made in a thin wall just for this:

http://rodneydickman.com/ca...h=27&products_id=130

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Rodney Dickman

Fiero Parts And Acc's Web Page:
All new web page!:www.rodneydickman.com
Rodney Dickman's Fiero accessories
7604 Treeview Drive
Caledonia, WI 53108
Phone/Fax (262) 835-9575

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Lou and Blue
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Report this Post04-05-2014 03:54 PM Click Here to See the Profile for Lou and BlueClick Here to Email Lou and BlueSend a Private Message to Lou and BlueEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thank you Rodney! Just got off the phone with you and added this to my order!
You are absolutely awesome!

------------------
===Always trying to find time to work on cars===
Louis Duet
Baldwin, Long Island, NY
Where driving hard is SOP.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Blue" <= '85 Fiero GT
Stock V6---Stock everything. Trying to keep it 'mostly' that way.
~~~~~~~~~~~~~~~~~~~~~
"Boo" <= '81 Delorean DMC-12
The "DuetLorean"
VIN #5835
Stock PRV engine
Robertson Equipped
Neiland/Delman Engineered
Carbed and loving it! (Peugot 604 manifold) ---"Sorry purists"

IP: Logged
BrittB
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Report this Post04-05-2014 05:32 PM Click Here to See the Profile for BrittBSend a Private Message to BrittBEdit/Delete MessageReply w/QuoteDirect Link to This Post
I bought a new IAC and since I got rid of the coolant lines I was able to get a wrench on it. The new IAC had little bumps on it that required a little file work to get flat but after that it was fine. Also, don't forget to add sealant to the threads, if you don't you will get a vacuum leak even with the new gasket. Mine turned out to not be the problem so I put the old one back in. My problem turned out to be a leaking vacuum line.
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84fiero123
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Report this Post04-05-2014 08:36 PM Click Here to See the Profile for 84fiero123Click Here to Email 84fiero123Send a Private Message to 84fiero123Edit/Delete MessageReply w/QuoteDirect Link to This Post
Crows foot that you can put a ratchet extension or swivel joint and then ratchet, maybe I actually never changed mine so I am just guessing here but here is what they look like.

http://www.sears.com/sunex-...ockNo=1&blockType=G1

many parts stores as well as sears sell just singles so you don't have to buy an entire set and you can get them in flair nut style as well.

But they have saved me in a lot of places before.

Steve

------------------
Technology is great when it works,
and one big pain in the ass when it doesn't



Detroit iron rules all the rest are just toys.

[This message has been edited by 84fiero123 (edited 04-05-2014).]

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Lou and Blue
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Report this Post04-05-2014 09:10 PM Click Here to See the Profile for Lou and BlueClick Here to Email Lou and BlueSend a Private Message to Lou and BlueEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by BrittB:

I bought a new IAC and since I got rid of the coolant lines I was able to get a wrench on it. The new IAC had little bumps on it that required a little file work to get flat but after that it was fine. Also, don't forget to add sealant to the threads, if you don't you will get a vacuum leak even with the new gasket. Mine turned out to not be the problem so I put the old one back in. My problem turned out to be a leaking vacuum line.


Was the issue you had ( the one that the vacuum line was responsible for) an erratic idle when warm? I would think a vacuum leak would cause issues whether the engine is warm or not. I was advised that the number one cause of my erratic idle is a dirty IAC , so for the $10 I bought a new one on Ebay. My new one has the little raised dots on it too, i ordered Rodney's socket for the IAC. Incidentally, I found a vacuum line under the rubber air tube going from the air filter canister to the throttle body that had nothing attached to it. I have a leaky slave cylinder and need to rebuild it. I haven't been able to drive with that line plugged to see if it helps the erratic idling when warm. It's a rather small tube not the 1/2 to 3/4 inch one from the large rubber hose. I know it's hard to follow this but I don't have any pictures to reference.

------------------
===Always trying to find time to work on cars===
Louis Duet
Baldwin, Long Island, NY
Where driving hard is SOP.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Blue" <= '85 Fiero GT
Stock V6---Stock everything. Trying to keep it 'mostly' that way.
~~~~~~~~~~~~~~~~~~~~~
"Boo" <= '81 Delorean DMC-12
The "DuetLorean"
VIN #5835
Stock PRV engine
Robertson Equipped
Neiland/Delman Engineered
Carbed and loving it! (Peugot 604 manifold) ---"Sorry purists"

IP: Logged
Blacktree
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Posts: 20576
From: Central Florida
Registered: Dec 2001


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Report this Post04-05-2014 10:11 PM Click Here to See the Profile for BlacktreeClick Here to visit Blacktree's HomePageClick Here to Email BlacktreeSend a Private Message to BlacktreeEdit/Delete MessageReply w/QuoteDirect Link to This Post
In addition to cleaning or replacing the IAC valve, you also should look in the idle air passage in the throttle body, and see if it's gunked up.

I once had the hunting idle symptoms on my old 2.8 V6. The problem turned out to be a faulty intake air temperature sensor. It was reading 60 degrees too high, and the ECM couldn't cope with that.
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Lou and Blue
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From: Baldwin,NY,USA
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Report this Post04-06-2014 09:39 PM Click Here to See the Profile for Lou and BlueClick Here to Email Lou and BlueSend a Private Message to Lou and BlueEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Blacktree:

In addition to cleaning or replacing the IAC valve, you also should look in the idle air passage in the throttle body, and see if it's gunked up.

I once had the hunting idle symptoms on my old 2.8 V6. The problem turned out to be a faulty intake air temperature sensor. It was reading 60 degrees too high, and the ECM couldn't cope with that.

That will be my next replacement if the IAC replace doesn't fix it , thanks!

------------------
===Always trying to find time to work on cars===
Louis Duet
Baldwin, Long Island, NY
Where driving hard is SOP.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Blue" <= '85 Fiero GT
Stock V6---Stock everything. Trying to keep it 'mostly' that way.
~~~~~~~~~~~~~~~~~~~~~
"Boo" <= '81 Delorean DMC-12
The "DuetLorean"
VIN #5835
Stock PRV engine
Robertson Equipped
Neiland/Delman Engineered
Carbed and loving it! (Peugot 604 manifold) ---"Sorry purists"

IP: Logged

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