Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the lower control arm. Refer to LOWER CONTROL ARM REPLACEMENTΒ  .
  2. Secure the lower control arm in a vice.

    Important:Β  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.

  3. Mark the lower control arm along the flat edge of the bushing flange (1).
    Fig 1: Marking Lower Control Arm Along Flat Edge Of Bushing Flange
    G01499539Courtesy of GENERAL MOTORS CORP.

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

  4. Assemble the following bushing tools as shown.
  5. Tighten the J21474-4Β  until the bushing is removed from the control arm.
  6. Disassemble the bushing tools.
    Fig 2: Assembling Bushing Tools
    G01499540Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.