19/09/2024 20:23:58

Rear Under Body (Section)

Repair Information

Parts List

Quantity Description Image / Notes
1 ASSEMBLY - REAR UNDER BODY HALF SECTION (Rear Under Body Half Section)
1 TOP STAMPING
1 BOTTOM STAMPING
2 PLUG

Tesla part number 1870761-00.

17 High Strength Structural Rivet, 6.5 mm
3 Bolt BLT,HHL,M10x33 Tesla part number 1851387-00.

When ordering parts, refer to the Parts Catalog and enter the VIN of the vehicle being repaired to find the correct parts (and the part numbers) for the vehicle. Alternatively, use the search function in the Parts Catalog to find a specific part for the vehicle.

Repair Procedure

  1. On the original component, verify the location of the center point for the rear-most access hole.
    The center point for the rear-most access hole should be located 155 mm to the rear of the indicated hole (measurement A).
    Informational PurposesAn informational icon, calling your attention
    Note
    If the center point marked on the component is 150 mm, move the center point 5 mm to the rear of the marked center point (measurement B).
    Reference Line/Point
    • A = 155 mm.
    • B = 5 mm.
  2. On the original component, cut the rear access holes.
    Cut Line
    Informational PurposesAn informational icon, calling your attention
    Note
    Use a 1 1/8 inch (29 mm.) carbide-tipped hole saw to create the holes.
  3. Separate the Rear Under Body Sections.
    Cut next to the raised cut line on the damaged side of the component.
    Cut Line
    Informational PurposesAn informational icon, calling your attention
    Note
    If the Rear Under Body is damaged on both sides of the raised cut line, sectioninng is not allowed and the entire component must be replaced as described in the Rear Under Body (Complete) procedure.
  4. Remove the original component.
    or Factory Spot Welds

    or Factory SPRs

    or Bolts

  5. Bulk cut and remove the Rear Under Body casting.
    Cut the Rear Under Body near the C-Pillar Inner area as shown, then remove the cut portion of the original component. (Removing casting material will assist with the heating and separating process.)
    Informational PurposesAn informational icon, calling your attention
    Note
    To prevent damage to the C-Pillar Inner, when cutting near the inboard side of the C-Pillar Inner, cut only in the area shown in yellow (do not cut in the area shown in red).

    Cut Line

  6. Remove the remaining portion of the original component.
    Use heat and separation methods, then grind as necessary to remove the remaining casting material (shown in red) near the C-Pillar Inner area.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use caution to make sure that the C-Pillar Inner is not damaged when removing the remaining portion of the original Rear Under Body casting.
  7. Prepare for installation.
    Trim the remaining portion of the existing component on the vehicle to fit.
    Informational PurposesAn informational icon, calling your attention
    Note
    The maximum gap between new and existing components is 3 mm.
    Informational PurposesAn informational icon, calling your attention
    Note
    A red X indicates a location where a factory-installed fastener is not being replaced.

    or High Strength Structural Rivets, 6.5 mm

    or Bolts

  8. Apply structural adhesive to the mating surfaces on the vehicle and the new component or components.
  9. Install the new component or components.
    Torque the bolts to 90 Nm.
    Informational PurposesAn informational icon, calling your attention
    Note
    Fill any gaps with structural adhesive.
  10. Trim the Rear Rocker Step Reinforcement to allow clearance for the plug that covers the rear access hole.

    Cut Line

    Reference Line/Point

    • C = 7 mm.
    • D = 32 mm.
  11. Install the plugs to cover the access holes.
    Informational PurposesAn informational icon, calling your attention
    Note
    Apply seam sealer to the bottom side of each plug before installation, and remove any visible seam sealer around the outside edge of the plug after installation.
    Informational PurposesAn informational icon, calling your attention
    Note
    Remove any visible seam sealer from around the access hole plugs that would be under the foam gasket of the Rear Rocker Step Reinforcement.
  12. Install the Tailgate Tower.
  13. Perform any necessary post-repair operations.