Shackle Bushing: Removal

Raise and support the vehicle
Remove the fuel tank on 2-Door utility models.
Remove the EVAP canister on 2-Door utility models.
Remove spare tire on Pickups and 4-Door utility models.
Disconnect rear exhaust hangers and lower exhaust system, if necessary.
Support the rear axle.
Remove the spring shackle to frame mounting nut and bolt. See Fig 1.

Fig 1: Locating Spring Shackle Components
Courtesy of GENERAL MOTORS CORP.
Loosen the lower spring shackle mounting bolt at the leaf spring. Leave the bolt attached.
Lower the axle until there is enough clearance to remove the spring shackle bushing.
Use a blunt punch to straighten out the bushing flange that comes through the inner frame.
Remove the spring shackle bushing using Control Arm Bushing Set (J 21474-01). See Fig 2. See SPECIAL TOOLS .
Repeat steps 7) through 11) for other spring shackle bushing.

Fig 2: Rear Spring Shackle Bushing Special Tool Set Up

Courtesy of GENERAL MOTORS CORP.