Depending on the model year and model type, the attachment may vary.
Front bumper
-under the hood, Unscrew the two screws and take out one piston (twisted and inserted top to bottom) that secure the upper part of the bumper.
-in the opening of the lower grille and pull out two pistons (inserted from the bottom up).
-around the bottom part Unscrew the screws (spun up).
-wrenched the wheel to the left or right side depending on which side we will analyze first.
-in the wheel arches and take out the clips wrenched the screws that attach the fender liner to the bumper.
-with the assistant release the latch in the wings and under the headlights, remove the bumper from the guides themselves.
-remove the connector from the fog lamp (if any).
-remove connector from the PDC (if any).
-if you have headlight washers, disconnected the hoses (so the liquid will not escape on earth, should prepare a special container or bend the hose).
Rear bumper
-open the trunk lid and in the opening near the tail lights and pull out plugs.
-under the plugs, Unscrew one screw on each side.
-in the wheel wells, Unscrew the screws and take out the rivets that attach the fender liner and mud flaps (if any).
-on the perimeter in the bottom part Unscrew the screws (and spun up).
-with the assistant release the latch in the wings, behind the rear lights and opening boot.
-pulls the bumper from the guides themselves.
-remove connector from the PDC (if any).
How to remove front and rear bumper Toyota Matrix (2003-2008)