Front bumper
-open the hood.
-under the hood, take out the eight pistons and remove the trim.
-unscrew the two screws (twisted from top to bottom).
-above the headlight, at the junction of the wing and bumper, unscrew one screw on each side and pull out the plastic clips.
-from the bottom we take out and unscrew the six screws that secure the fender liners and the six screws that secure the engine compartment protection.
-turn the wheels to the side.
-in the wheel arches we release the fender liners (front part).
-move the fender liners to the side and unscrew one screw on each side (twisted from bottom to top) that secure the corners to the wings.
-release the latches in the wings (pull the corners toward you).
-release the latches under the hood.
-with an assistant, carefully pull the bumper forward (watch the wires).
-disconnect the connectors of the electrical equipment (if any).
Rear bumper
-tear off the trunk lid.
-in the trunk, remove the back one and release the side trims.
-behind the side trims, unscrew two nuts on each side and remove the rear lights (they are held on by clips, pull them towards you).
-with the rear lights, unscrew the two screws and take out the four pistons that secure the upper part of the rear bumper.
-from the bottom, unscrew the two screws and take out the three pistons that secure the lower part.
-in the wheel arches, move the fender liners and Unscrew one screw on each side (twisted from bottom to top) that secure the corners to the wings.
-release the bumper from the latches in the wings (pull the corners toward you).
-release the latches in the trunk opening.
-with an assistant, pull the bumper back (watch the wires).
-disconnect the connectors of the electrical equipment (if any).
How to remove front and rear bumper, Nissan Teana J31 (2003-2008)
How to remove front and rear bumper Nissan Teana J32 (2008-2013)