OK, take the outer retainer off, then remove the snap ring and pull the assembly out. Watch the o-rings and where they go. there are no screws to remove for this repair.
Important: Always maintain cleanliness when servicing fuel system components.
If you do not have the room then it may be needed. YEs there is 6 bolts, 2 more under the throttle body, the EGR tube and the ignition module.