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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 340 (Steering Wheel And Steering Column) >> Repair Instructions >> Steering Column Replacement (N37) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
    WARNING:

    Refer to SIR Warning .

  1. Disable the SIR system. SIR Disabling and Enabling
  2. Fig 1: Steering Column Lower Trim Cover
    GM4380738Courtesy of GENERAL MOTORS COMPANY
  3. Remove Steering Column Lower Trim Cover (1) -Steering Column Lower Trim Cover Replacement (RPO N37) 
  4. CAUTION:

    With wheels of the vehicle facing straight ahead, secure the steering wheel utilizing steering column anti-rotation pin, steering column lock, or a strap to prevent rotation. Locking of the steering column will prevent damage and a possible malfunction of the SIR system. The steering wheel must be secured in position before disconnecting the following components:

    • The steering column
    • The intermediate shaft(s)
    • The steering gear

    After disconnecting these components, do not rotate the steering wheel or move the front tires and wheels. Failure to follow this procedure may cause the SIR coil assembly to become un-centered and cause possible damage to the SIR coil. If you think the SIR coil has become un-centered, refer to your specific SIR coil's centering procedure to re-center SIR Coil.

  5. With the steering wheel in the straight ahead position, LOCK the steering column.
  6. Fig 2: Instrument Panel Knee Bolster
    GM4380739Courtesy of GENERAL MOTORS COMPANY
  7. Remove Instrument Panel Knee Bolster (1) Instrument Panel Knee Bolster Replacement
  8. Fig 3: Floor Front Air Outlet Duct
    GM4380740Courtesy of GENERAL MOTORS COMPANY
  9. Remove Floor Front Air Outlet Duct - Left Side (1) Floor Front Air Outlet Duct Replacement - Left Side
  10. Disconnect the steering column electrical connectors as necessary.
  11. Fig 4: Intermediate Steering Shaft
    GM4380741Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Place match marks on the steering column shaft and the intermediate steering shaft to aid in installation.

  12. Separate Intermediate Steering Shaft (1) @Steering Column - Intermediate Steering Shaft Replacement 
  13. Fig 5: Steering Column Nut
    GM4380742Courtesy of GENERAL MOTORS COMPANY
  14. Remove Steering Column Nut (1)
  15. Fig 6: Steering Column
    GM4380743Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Once the steering column is removed from the vehicle, the column is extremely susceptible to damage. Dropping the column assembly on the end could collapse the steering shaft or loosen the plastic injections, which maintain column rigidity. Leaning on the column assembly could cause the jacket to bend or deform. Any of the above damage could impair the columns collapsible design. Do NOT hammer on the end of the shaft, because hammering could loosen the plastic injections, which maintain column rigidity. If you need to remove the steering wheel, refer to the Steering Wheel Replacement procedure in this section.

  16. Remove the steering column (1) from the vehicle.
  17. If replacing the steering column, transfer components as necessary.
  18. If replacing the steering column, copy the match marks from the OLD steering column to the NEW steering column.