The schemes of fastening of bumpers. Arrows indicate the screws to describe here is nothing special.

Depending on year and modification of the attachment may vary.

Front bumper

scheme of fastening of front bumper Jeep Wrangler TJ (1996-2006)

Rear bumper

diagram of rear bumper Jeep Wrangler TJ (1996-2006)

 

How to remove front and rear bumper Jeep Wrangler JK (2006-2018)