Idle Air control (IAC) valve replacement - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

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Idle Air control (IAC) valve replacement

 

 
 
 
Old 10-02-2009, 12:07 PM
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Default Idle Air control (IAC) valve replacement

Locate your IAC valve, it'* on the side of your throttle body. Unplug the valve by lifting the tab, then wiggle and pull the plug, do not pull on the wires.

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There are two screws holding the valve in place. One at about 10 O clock. These screws are very snug.
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And another at about 4 O clock.
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To remove the valve you will have to twist and pull, it'* a tight fit because there is a rubber O ring.
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Before installing the new valve, lube the rubber O ring with a lite oil, otherwise you risk damaging the O ring. Push in with a slight twist, line up the screw holes and install screws. Plug valve back in.
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