jake00si

Anyone have a diagram for how the vacuum lines should be ran? The motor is in an EM1 but i'm running obd1 now so alot of things are deleted such as charcoal canister and evap.

So if no one has a diagram..where do the two lines off of the IAC connect to? From the nipple right above the waterneck and the water pipe?

jake00si

bump

grant97teg

If you have a fiav under throttle body then coolant pipe to iacv nipple closest to driverside then other nipple on iacv to back nipple of fiav then from nipple of fiav to intake manifold nipple close to head where bolts in pasg upper side. If you deleted fiav then from iacv pasg side nipple to intake nipple

Former User

jake00si

That was sorta confusing Grant. haha

I have no fiav on the TB. I did some reading but idk what to believe. I read the coolant line with the nipple right above the waterneck connects to one port on the IAC and the other port on the IAC goes into the water piping. True or false?

Former User

jake00si

Thanks that clears some things up!

grant97teg

True