GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Acadia - AWD 🢒 Body Repair 🢒 Collision Repair 🢒 Rear Floor Panel Replacement

Removal Procedure

    Caution: Refer to Approved Equipment for Collision Repair Caution in the Preface section.


    Object Number: 1832935 Size: SH
  1. Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling .
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  3. Remove all related panels and components.
  4. Repair as much of the damage as possible to factory specifications. Refer to Dimensions - Body .
  5. Note the location and remove the sealers and anti-corrosion materials from the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .

    6. Object Number: 1832937 Size: SH

    Important: Do not damage any inner panels or reinforcements.

  6. Remove the rear underbody tie plates. Replace if damaged.
  7. Locate and drill out all factory welds. Note the number and location of the welds for installation of the rear floor panel .
  8. Remove the damaged rear floor panel .

Installation Procedure

    Object Number: 1832935 Size: SH

    Important: If the location of the original plug weld holes can not be determined, space the plug weld holes every 40 mm (1 ½ in) apart.

    Some panels may have structural weld-thru adhesive. It is necessary to replace the weld-thru adhesive with an additional spot weld between each factory spot weld.

  1. Drill 8-mm (5/16-in) plug weld holes in the service part as necessary in the locations noted from the original panel.
  2. Prepare all mating surfaces as necessary.
  3. Apply 3M Weld-Thru Coating P/N 05916 or equivalent to all mating surfaces.
  4. Position the rear floor panel to the vehicle using 3-dimensional measuring equipment. Clamp the rear floor panel into place.
  5. Plug weld accordingly.
  6. Install the rear underbody tie plates.
  7. Clean and prepare all welded surfaces.
  8. Apply the sealers and anti-corrosion materials to the repair area, as necessary. Refer to Anti-Corrosion Treatment and Repair .
  9. Paint the repair area. Refer to Basecoat/Clearcoat Paint Systems .
  10. Install all related panels and components.
  11. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  12. Enable the SIR system. Refer to SIR Disabling and Enabling .