For those of you brave enough to venture into replacing your own lower breather hose, here is a how to:

Intake Manifold Removal:

Disconnect the battery ground cable.

Disconnect the EGR vacuum regulator (EVR) valve electrical connector.

Disconnect the vacuum hose connector from the EGR vacuum regulator valve.

Disconnect the IMT Valve connectors.

Disconnect the differential pressure feedback EGR sensor electrical connector.

Disconnect the hoses from the differential pressure feedback EGR sensor.

Disconnect the inlet and outlet intake manifold coolant hoses, making note of the routing for reassembly. (You do not want to hook them up backwards)

Detach the EGR valve.

Remove the intake manifold bracket securing bolts - 1 on front, 1 on right side.

Remove the intake manifold securing bolts noting location. At very back, 2 of the 8mm bolts are holding down a round metal bracket. Once removed throw that metal bracket in the garbage. It serves no purpose other than to chafe your wiring harness.

Disconnect the engine breather hose,

Remove the intake manifold and dsicard gaskets. Replace with new.

Next, remove the 4 bolts securing lower manifold to engine. Remove the 10mm bolt at front of engine holding the fuel line secure. Lift lower fuel rail manifold up and move to the side. Replace these gaskets also. You can now see the lower breather hose (fat L shape). Cut carefully with razor blade to remove. Lube new hose using suitable silicone spray and install. Also replace the hose above that one and the 90 degree that is above that.

While you are there, if the 3 ignition coils under the intake are green or yellow labels, you may want to replace them with new black label coils. Sucks to have to go back in there.

Reinstall is reverse of removal. Do not overtighten the bolts.