If your Toyota 4Runner has ever been in an accident and received bumper damage, replace the bumper. Doing so will increase safety for both you and your passengers. You can either order replacement bumpers directly from your Toyota dealership or you can order bumpers from most auto parts stores or even from a local salvage yard. Replacing your 4Runner bumpers only takes about 30 minutes.
Place emergency brakes on.
Remove the mud flaps on both sides with a screwdriver.
Take off lower splash shield by removing the screws with an open-ended wrench.
Remove bumper fastening bolts along the sides and bottom of the bumper cover.
Lift bumper up and off.
Slide new bumper into place and use the wrench to replace the bumper fastening bolts on the inside of the bumper.
Replace splash shield and mud flaps
Engage the emergency brake.
Remove the mud flaps using the screwdriver.
Remove bumper upper bolts. They are located inside the wheel wells. Remove the upper and lower bumper fasteners on the inside of the bumper.
Pull the bumper off and outwards to remove it.
Set new bumper into place and start at least one bumper fastener on each side to hold the bumper in place. Once the bumper is in place, replace and tighten the rest of the bumper fastening bolts. Replace mud flaps with the screwdriver.
