Disassembly Procedure

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

Service the upper control arm bushing separately from the upper control arm.

Remove the upper control arm. Refer to Upper Control Arm Replacement .
Remove the bolts/screws and the nuts.
Separate the front upper control arm from the upper control arm support.
Remove the upper control arm bushing from the upper control arm (2):

Fig 1: Disassembling Upper Control Arm Bushing
Courtesy of GENERAL MOTORS CORP.
1. 4.1. Thread J 21474-19 through J 39930. The 3 tangs on J 39930 should be against the screw hand.
2. 4.2. Thread J 21474-19 through the inside of the upper control arm bushing. You may need to wiggle J 21474-19 until the tool sides through the bushing.
3. 4.3. Run the smaller end of J 21474-5 onto J 21474-19, then place the thrust washer (1) on J 21474-19 with the seams facing toward J 21474-5.
4. 4.4. Install J 39872 around the outside of the bushing in order to avoid metal distortion during removal.
5. 4.5. Align J 39930 and J 21474-5 properly, then install J 21474-18 on J 21474-19.
6. 4.6. Tighten J 21474-19 and J 21474-18 until the bushing is pushed all the way out, making a popping noise.