Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM .
  2. Turn OFF the ignition.
  3. Remove the Inflatable restraint steering wheel module. Refer to REMOVAL & INSTALLATION (DRIVER-SIDE) .
  4. Scribe an alignment mark on the steering wheel hub. Align the mark with the slash mark on the steering shaft.
  5. Loosen the steering wheel nut.
  6. Position the steering wheel nut flush with the end of the steering shaft.
  7. Fig 1: Removing Steering Shaft Nut
    G01490163Courtesy of GENERAL MOTORS CORP.
  8. Assemble J 1859-AΒ  with J 42578Β  on the steering wheel.
  9. Use J 1859-AΒ  with J 42578Β  in order to unseat the steering wheel from the steering shaft.
  10. Remove J 1859-AΒ  and J 42578Β  from the steering wheel.
  11. Remove the steering shaft nut.
  12. Remove the steering wheel from the steering shaft.
  13. Remove the SIR connector from the steering wheel.
    Fig 2: Removing Steering Wheel Shaft Using J 1859-A & J 42578
    G01490164Courtesy 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.