Removal Procedure

Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
Unsnap the jounce bumper from the mounting cup (4WD 15 Series and RWD 25 Series).

Fig 1: Unsnapping Jounce Bumper (4WD 15 Series & RWD 25 Series)
Courtesy of GENERAL MOTORS CORP.
Remove the nut from the jounce bumper stud (4WD 25 Series and RWD 15 Series).
Remove the jounce bumper.

Fig 2: Removing Nut From Jounce Bumper Stud (4WD 25 Series & RWD 15 Series)
Courtesy of GENERAL MOTORS CORP.