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Home >> Chevrolet >> 2021 >> Tahoe Z71 >> Repair and Diagnosis >> Collision >> Body Panels >> Body Panel Replacement >> Body Panel Replacement >> Center Pillar Sectioning >> Removal Procedure
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Removal Procedure

Fig 1: Center Pillar Sectioning Component Location
GM5417188Courtesy of GENERAL MOTORS COMPANY
WARNING:

Refer to Collision Sectioning Warning .

NOTE:

Left shown, right similar.

NOTE:

The body side outer panel is mild steel. MILD STEEL

  1. Disable the SIR system. SIR Disabling and Enabling
  2. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1, 5W4)Battery Negative Cable Disconnection and Connection (KL9)
  3. Remove all related panels and components.
  4. Remove the sealers and anti-corrosion materials from the repair area as necessary. Anti-Corrosion Treatment and Repair
    GM5417187Courtesy of GENERAL MOTORS COMPANY
  5. NOTE:

    The service part is supplied as a complete body side panel and will need to be cut at the proper location for sectioning. The service part will overlap the original body side panel by approximately 25 mm (1").

  6. Measure and mark on the body side outer panel at the body side opening die marks (1) to perform panel replacement as needed.
    GM4920581Courtesy of GENERAL MOTORS COMPANY
  7. Measure and mark on the body side outer panel (1) 100 mm (3.9") from the body side opening die marks (2).
    GM5433774Courtesy of GENERAL MOTORS COMPANY
  8. Cut the body side outer panel 10 mm from the upper inner seam at the marked location (1).
  9. Cut two 2 mm x 25 mm slots (2) in the corners of the sectioning joint of original body side outer.
    GM5417186Courtesy of GENERAL MOTORS COMPANY
  10. NOTE:

    Do not damage or cut attaching panels and reinforcements.

    NOTE:

    All cuts are square to surface.

  11. Cut the body side outer panel at the marked location (1).
    GM5417194Courtesy of GENERAL MOTORS COMPANY
  12. NOTE:

    Do not damage or cut attaching panels and reinforcements.

    NOTE:

    Use text for actual weld count.

  13. Remove spot welds (1). [55X]
  14. Remove spot welds (2). [55X]
  15. Remove spot welds (3). [6X]
    GM5417191Courtesy of GENERAL MOTORS COMPANY
  16. Remove pillar sectioning (1) from vehicle.