Fixing bumpers from Isuzu Bighorn identical to Isuzu Trooper Opel Monterey.
Front bumper
The bumper is removed together with the amplifier.
Unscrew the screws holding the brackets of the amplifier to the spars. Exempted fasteners in the wings (Unscrew the nut or releasing latch). Pull the bumper forward.
Rear bumper
As well as front, rear bumper removed, along with the amplifier. Unscrew two screws on each side holding the brackets of the amplifier to the frame. Unscrew the screws in the wheel arches. Pull the bumper backwards.