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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 730 (STEERING WHEEL AND STEERING COLUMN)REPAIR INSTRUCTIONSSTEERING COLUMN REPLACEMENTINSTALLATION PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Installation Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing Steering Column Onto J 41352
    GM415301Courtesy of GENERAL MOTORS CORP.
  1. Remove the steering column from J 41352  . See Special Tools and Equipment .
    2. Fig 2: Steering Column, Bracket & Nuts
    GM70116Courtesy of GENERAL MOTORS CORP.
  2. Position the steering column assembly (2) into the vehicle and insert the lower steering shaft assembly into the upper coupling of the intermediate shaft.
  3. Install the cross car locating bushing (1) on the right hand mounting stud.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the upper steering column bracket nuts to the upper reinforcement assembly (3).

    Tighten:  Tighten the nuts to 24 N.m (17 lb ft).

    5. Fig 3: Lower Steering Column Support Plate & Nuts
    GM70120Courtesy of GENERAL MOTORS CORP.
  5. Install the nuts to the lower steering column support plate (1).

    Tighten:  Tighten the nuts to 24 N.m (17 lb ft).

  6. Turn the steering wheel far enough to the left to gain access to the upper coupling of the intermediate shaft.
    7. Fig 4: Steering Column, Upper Coupling & Bolt
    GM70106Courtesy of GENERAL MOTORS CORP.
  7. Install the upper coupling bolt.

    Tighten:  Tighten the bolt to 48 N.m (35 lb ft).

  8. Connect all the electrical connectors to the I/P wiring harness.
  9. Remove J 42640  from the steering column. See Special Tools and Equipment .
    10. Fig 5: Electrical Connectors & I/P Wiring Harness
    GM95668Courtesy of GENERAL MOTORS CORP.
  10. Install the driver knee bolster bracket (1). Refer to Trim Panel Replacement - Knee Bolster in Instrument Panel, Gages and Console.
  11. Install the driver knee bolster trim panel. Refer to Trim Panel Replacement - Knee Bolster in Instrument Panel, Gages and Console.
  12. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
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:

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