Installation Procedure

Important:  The lower control arm vertical bushing MUST be installed in the same position which it was removed in order to maintain the original vehicle ride, handling and road feel.

1. Align the flat edge of the bushing flange to the mark in the control arm (1).
2. Insert the bushing into the control arm.
   Fig 1: Aligning Flat Edge Of Bushing Flange To Mark In Control Arm

   Courtesy of GENERAL MOTORS CORP.

   Important:  Apply J23444-A  (or equivalent high pressure lubricant) to the threads of the J21474-27. 

3. Assemble the bushing tools as shown.
4. Tighten the J21474-4  until the bushing is fully seated in the control arm.
5. Disassemble the bushing tools.
6. Install the lower control arm. Refer to LOWER CONTROL ARM REPLACEMENT  .
   Fig 2: Assembling Bushing Tools

   Courtesy of GENERAL MOTORS CORP.