remove upper intake plenum
Usually you can leave the throttle body itself attached to the intake plenum (the upper part of the intake manifold). Very rare cases you will have to remove the throttle body itself though it may vary of course where space is limited. Most cases you can set the plenum to the side of the engine compartment with some harnesses intact and/or remove all connections completely and remove the plenum from the car. Don't forget to disconnect the battery.
Not an easy job.You need to remove the intake manifold plenum to do it.
You have to remove the throtle body, plastic intake plenum, and carefully remove the spider looking plug from the intake manifold.
Remove the intake maifold upper intake plenum
Under the upper intake plenum. You have to unbolt the throttle body and the take out the upper intake plenum bolts to remove the plenum...(the part that says 3.1 Multi-Port). Once you have it off you'll see them.
It's on the left side of the intake plenum looking at the cars front. It's screwed sideways on the left side of the intake plenum with a hose coming right off of it. It's not visible unless you remove the upper and lower plenum.
You have to remove the intake plenum. It just unbolts.
You have to remove the intake plenum to access.
You have to remove the upper intake plenum.
The plenum is the intake manifold.
You have to remove the intake plenum air chamber to get to the 3 plugs against the firewall. It requires to buy intake plenum gaskets and go ahead and replace the PCV hose on the back of the plenum. Need to get from the dealer. Gaskets also from dealer.