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Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Wheel And Column >> Repair Instructions >> Steering Column Replacement (N38) >> Installation Procedure

Installation Procedure

  1. Steering Column (1) - Install
    GM4848521Courtesy of GENERAL MOTORS COMPANY
  2. Steering Column Nut (1) - Install and hand tighten [4x]
    Fig 1: Steering Column Nuts With Tightening Sequence
    GM4888897Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Support the steering column while installing the steering column nuts.

  3. CAUTION:

    Refer to Fastener Caution .

  4. Steering Column Nut (1) - Tighten in sequence [4x] 22 N.m (16 lb ft)
  5. Connect the steering column electrical connectors.
  6. Intermediate Steering Shaft (1) @ Steering Column - Install - Intermediate Steering Shaft Replacement 
    GM4421684Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the match marks on the upper intermediate steering shaft and steering column are aligned.

  7. Instrument Panel Knee Bolster (1) - Install - Instrument Panel Knee Bolster Replacement
    GM4848505Courtesy of GENERAL MOTORS COMPANY
  8. Floor Front Air Outlet Duct - Left Side (2) - Install - Floor Front Air Outlet Duct Replacement - Left Side
    GM4217301Courtesy of GENERAL MOTORS COMPANY
  9. Steering Column Lower Trim Cover (1) - Install - Steering Column Lower Trim Cover Replacement (N38) 
    GM4848488Courtesy of GENERAL MOTORS COMPANY
  10. Remove the device used to prevent steering column rotation.
    GM4421183Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    The anti-rotation pin must be removed from the steering column before installing the steering wheel. Ensure that the steering wheel bolt is torqued to specification during steering wheel installation. Over torquing the steering wheel bolt can result in damage to the steering column rivets which will disable the telescoping mechanism. If the steering column rivets are damaged, a new steering column must be installed.

  11. Steering Wheel (2) - Install - Steering Wheel Replacement 
  12. Enable the SIR System. SIR Disabling and Enabling
  13. Center the steering angle sensor. Steering Wheel Angle Sensor Centering
  14. If battery was disconnected for steering column replacement, wait for all modules to fall asleep. This can be done by closing all vehicle closures (doors, trunk, hood) and waiting for three minutes without actuating any vehicle functions or pushing any buttons.
  15. Perform functionality check of tilt and telescoping features.