Air pump?

**breathnitrous** · 04-22-2010, 06:19 PM

Taking the air pump off. The rubber hoses go from the front of the car where the pump is to the driver side on top of the head. Then there is guess a valve the the rubber hoses go to and where the tubes form the headers go to. There is a small hard plastic line that gos to a sencer off of that valve thing and one that gos off of it and to the back of the motor then over to the passenger side. What is that line for?

**sjsingle1** · 04-22-2010, 06:52 PM

vacum line to the air diverter valve

**pajeff02** · 04-22-2010, 07:16 PM

Detailed removal instructions and pics in this thread: http://www.ls1.com/forums/showthread.php?t=130641

**breathnitrous** · 04-23-2010, 10:39 AM

So all I have to do is block off that vacuum line the small line.

**pajeff02** · 04-23-2010, 06:06 PM

Yes. Another member traced it back, but I don't recall what he said. My best guess is that it ties in to the vacuum lines adjacent to the PCM. I just capped mine where it unplugged from the vacuum solenoid. Used an in-line connector and a vacuum cap, rather than shoving something into the line.