2025-04-11

Junction Block - Brake Line (Remove and Replace)

Correction code 3303010042 FRT 1.02 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email ServiceManualFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure. NOTE: See Ergonomic Precautions for safe and healthy working practices.

Warning IconA warning icon, calling your attention to a possibly risky situation
CAUTION
Brake fluid dissolves paint. Have clean towels and plenty of water standing by to wash spilled brake fluid off painted surfaces.
Informational PurposesAn informational icon, calling your attention
Note
Dispose of used brake fluid in a manner consistent with local environmental codes.

Torque Specifications

Table 1. Torque Specifications: Junction Block - Brake Line (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
The RH rear brake line tube nut at the LH rear brake pipe junction block
16 Nm (11.8 lbs-ft)
  • 3 in extension
  • Ratchet/torque wrench
  • 12 mm socket
 Reuse
The LH rear brake line tube nut at the LH rear brake pipe junction block
16 Nm (11.8 lbs-ft)
  • 3 in extension
  • Ratchet/torque wrench
  • 12 mm socket
 Reuse
Nut that attaches the LH rear brake pipe junction block to the vehicle
5.5 Nm (4.1 lbs-ft)
  • 4 in extension
  • Ratchet/torque wrench
  • 10 mm socket
 Reuse

Remove

  1. Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
  2. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  3. Remove all four wheels. See Wheel Assembly (Remove and Install).
  4. Remove the LH rear wheel arch liner. See Wheel Arch Liner - Rear - LH (Remove and Replace).
  5. Position the oil drain under the rear brake line junction block.
  6. Remove the RH rear brake line tube nut from the LH rear brake pipe junction block.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 3 in extension
    • Ratchet/torque wrench
    • 12 mm socket
  7. Remove the LH rear brake line tube nut from the LH rear brake pipe junction block.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 3 in extension
    • Ratchet/torque wrench
    • 12 mm socket
  8. Remove the black clip from the LH rear brake pipe junction block.
  9. Remove the nut that attaches the LH rear brake pipe junction block to the vehicle, and then remove the block from the vehicle.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 4 in extension
    • Ratchet/torque wrench
    • 10 mm socket

Install

  1. Position the LH rear brake pipe junction block to the vehicle, and then place the LH and RH rear brake pipes to the block.
  2. Install the nut that attaches the LH rear brake pipe junction block to the vehicle.
    5.5 Nm (4.1 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 4 in extension
    • Ratchet/torque wrench
    • 10 mm socket
  3. Install the black clip to the LH rear brake pipe junction block.
  4. Install the RH rear brake line tube nut to the LH rear brake pipe junction block.
    16 Nm (11.8 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 3 in extension
    • Ratchet/torque wrench
    • 12 mm socket
  5. Install the LH rear brake line tube nut to the LH rear brake pipe junction block.
    16 Nm (11.8 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 3 in extension
    • Ratchet/torque wrench
    • 12 mm socket
  6. Remove the oil drain from under the vehicle.
  7. Install the LH rear wheel arch liner. See Wheel Arch Liner - Rear - LH (Remove and Replace).
  8. Perform a brake fluid flush on the brakes. See Brake Fluid Bleed/Flush (Maintenance).