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Locate the IAC Valve

2:35
11:41
51.2K views

At 2:35 in

"Breaking In" LSXcalade's New Engine and Ironing Out Some Issues (Twin Turbo Escalade ESV)

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What happens here

The owner opens the hood of the Escalade and points to the idle air control (IAC) valve, which is responsible for regulating the amount of air bypassing the throttle blade, thereby controlling the engine's idle speed. He indicates that this part is the source of the current problem.

Goal: Physically identify the idle air control valve

Tools and materials

  • Cadillac Escalade Cadillac — The vehicle being worked on

What they say

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won't even run well enough for me to show you this is the thing I'm talking about right here this oh yeah that's the problem so what this does is there's an air bypass inside here where this pull little plunger out and let air around the throttle blade to control the idle they were all the ls engines were like this until they came out with the electronic throttle bodies sometimes you have those days where you just grab the right Allen

Auto-generated from the video audio.