2026-07-09

Rear Under Body (Section)

Correction code: 10102001002 10102001102 NOTE: Unless explicitly stated in the procedure, the above correction code includes all Collision Repair and Service repair work required to perform this procedure, including the linked Collision Repair procedures and linked Service procedures. Do not stack Collision Repair correction codes unless explicitly told to do so. Depending on the damage to the vehicle, additional repairs may be required.

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.
13 High Strength Structural Rivet, 6.5 mm
4 Structural Flange Rivet
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. Remove the Tailgate Latch and Striker - LH Body - Side Hinge, Tailgate (Remove and Install).
  2. Remove the Striker - Tailgate (Remove and Install).
  3. Remove the Tow Hitch (Remove and Install).
  4. Remove the Bed Side Outer Assembly - LH (Long Range) (Remove and Install).
  5. LH Component Only: Remove the Busbar - Charge Port (Remove and Install).
  6. Remove the Tonneau Lower Assembly (Remove and Install).
  7. Remove the Reservoir - Air Suspension (Remove and Install).
  8. Remove the Compressor - Air Suspension (Remove and Install).
  9. Remove the Airline Bundle - LH (Remove and Install).
  10. Remove the Airline Bundle - RH (Remove and Install).
  11. Remove the Airline Bundle - Rear (Remove and Install).
  12. Remove the HV Battery Assembly (Long Range) (Remove and Install).
  13. Remove the Subframe - Rear (Dual Motor) (Remove and Install).
  14. Remove the Brake Hose - Rear - LH (Remove and Replace).
  15. Remove the Module - Air Spring - Rear - LH (Remove and Install).
  16. Remove the Control Arm - Upper - Rear - LH (Remove and Install).
  17. 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
  18. 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.
  19. 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.
  20. Remove the original component.
    or Factory Spot Welds

    or Factory SPRs

    or Bolts

  21. 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

  22. 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.
  23. If the tab highlighted in red is present, remove the tab and grind the panel until smooth before proceeding.
  24. 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. Secure this location using structural adhesive only.

    or High Strength Structural Rivets, 6.5 mm

    or Structural Flange Rivets, 6.5 mm

    or Bolts

  25. Apply structural adhesive to the mating surfaces on the vehicle and the new component or components.
  26. 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.
  27. 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.
  28. 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.
  29. Install the Tailgate Tower.
  30. Install the Rear Fascia Bracket.
  31. Install the Sail Datum Bracket.
  32. Perform any necessary post-repair operations.
  33. Install the Control Arm - Upper - Rear - LH (Remove and Install).
  34. Install the Module - Air Spring - Rear - LH (Remove and Install).
  35. Install the Brake Hose - Rear - LH (Remove and Replace).
  36. Install the Subframe - Rear (Dual Motor) (Remove and Install).
  37. Install the HV Battery Assembly (Long Range) (Remove and Install).
  38. Install the Airline Bundle - Rear (Remove and Install).
  39. Install the Airline Bundle - RH (Remove and Install).
  40. Install the Airline Bundle - LH (Remove and Install).
  41. Install the Compressor - Air Suspension (Remove and Install).
  42. Install the Reservoir - Air Suspension (Remove and Install).
  43. Install the Tonneau Lower Assembly (Remove and Install).
  44. LH Component Only: Install the Busbar - Charge Port (Remove and Install).
  45. Install the Bed Side Outer Assembly - LH (Long Range) (Remove and Install).
  46. Install the Tow Hitch (Remove and Install).
  47. Install the Striker - Tailgate (Remove and Install).
  48. Install the Tailgate Latch and Striker - LH Body - Side Hinge, Tailgate (Remove and Install).