Depending on the year of release of the attachment can vary.
Front bumper
-open the hood.
-under the hood take out the six clips released from latches at the bottom (pull up) and remove the grille.
-Unscrew the screws and remove the direction indicator.
-Unscrew the screws next to the turn indicators.
-Unscrew the screws that attach the lower part.
-wheel arches pulled three pistons on each side.
-assistant free the corners and pulls the bumper forward.
Rear bumper
-open the back door.
-Unscrew two screws on each side, released from the clips and remove the rear lights.
-Unscrew the screws in the opening of the trunk that secure the upper part.
-wheel arches take out the caps and remove the fender liner.
-is released from the latch (pull to yourself) and remove the lining of the wings. Note the clips that connect the lower part of the bumper and lining of wings (they can be seen from the inside of the arches), there will need to compress the clips.
-for pads Unscrew two screws on each side.
-take out the rivets that attach the lower part.
-with the assistant pulls the bumper backwards (note the license plate).
How to remove front and rear bumper Jeep Cherokee XJ (1984-2001)
How to remove front and rear bumper Jeep Cherokee KK Liberty (2008-2013)