How to replace an IAC valve on a GM 3.8L V-6 series 2

In this video I'll be showing you how to replace an IAC valve on a GM 3.8L V-6 series 2. IAC stands for "idle air control". This device is responsible for regulating the idle of your engine and performs the dashpot function for the throttle. Some symptoms for a faulty IAC valve or motor are and engine that stalls out at idle, an engine that has an irregular or high idle.

Note: It is very rare that this will have to be done but, "before installing a new IAC valve, measure the distance that the valve is extended. The measurement should be made from the motor housing to the end of the valve cone (pintle). The distance should be no greater than 1 1 / 8 inch (28mm). If the pintle is extended too far, adjustment is required, otherwise damage may occur when the IAC valve is installed. Adjust the IAC valve by compressing the pintle to achieve the correct length."-- Info provided by a fellow youtuber Buckets Of Rust. I did some digging and found this to be good information.

The process for replacement is very simple. I hope the video helps.

Also, if your new valve does not come with a new o-ring you may be able to reuse the old o-ring. Inspect the o-ring for damage. If o-ring is damaged replace it. This is the orange o-ring that was shown on the end of the valve when the valve was removed.

!!!!WARNING!!!!

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Note: Even the most educated, seasoned, and talented technicians, or mechanics, are still subject to personal injury and property damage while performing automotive repair. I say again, use the information found in this channels videos at your own risk. Repair your vehicle at your own risk.

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