17/10/2023 18:56:14

Assembly - Brake Lines - Master Cylinder to HCU (LHD) (Remove and Replace)

Correction code 3303010052 FRT 2.04 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 LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

  • 1044206-00-A Wheel Trim Removal Tool
  • 1080578-00-B Brake Bleed Adapter
  • 1080579-00-A Brake Bleeder
  • 1080568-00-A Fluid Catcher
  • 1137658-00-C Laptop, M3 Ethernet Cable
  • 1137658-00-A M3 Ethernet Cable
  • 1705887-00-A ½" Dr. Electric Impact
  • 1773092-00-A Diagnostic Harness Adapter - All Models
Table 1. Torque Specifications: Assembly - Brake Lines - Master Cylinder to HCU (LHD) (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
Nuts that attach the forward and rear brake line to the brake booster
16 Nm (11.8 lbs-ft)
  • 12mm 12pt combination wrench
  • ¼ in to 3/8 in adapter
  • 12 mm socket
  • Ratchet/torque wrench
 Reuse
Master cylinder secondary pipe nut and primary pipe nut
16 Nm (11.8 lbs-ft)
  • 12 mm socket
  • ¼ in to 3/8 in adapter
  • 6 in extension
  • Ratchet/torque wrench
 Reuse

Remove

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.

  1. Put the vehicle on the lift. See GUID-0ECF2493-88F6-48E9-ADBB-9AE1D52E217C.html.
  2. Remove all the four wheels. See Wheel Assembly (Remove and Install).
  3. Raise and support the vehicle. See GUID-0ECF2493-88F6-48E9-ADBB-9AE1D52E217C.html.
  4. Remove the front aero shield. See Panel - Aero Shield - Front (Remove and Replace).
  5. Lower the vehicle fully.
  6. Open the LH front door and lower the LH front window.
  7. Disconnect the LV battery power. See LV Battery - Li-lon (Disconnect and Connect).
  8. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  9. Remove the LV battery from the vehicle. See LV Battery (Remove and Replace).
  10. Remove the shock tower brace. See Brace - Shock Tower (Remove and Replace).
  11. Disengage the locking tab, and then pull up the connector to release the hydraulic control unit connector.
  12. Place absorbent material underneath the brake booster and the reservoir area, clean the area around the brake fluid reservoir, and then remove the brake reservoir cap.
  13. Remove the fluid from the brake fluid reservoir by using a brake fluid syringe.
  14. Remove the nuts (x2) that attach the forward and the rear brake line to the brake booster.
    Tip: Use of the following tool(s) is recommended:
    • 12mm 12pt combination wrench
    • ¼ in to 3/8 in adapter
    • 12 mm socket
    • Ratchet/torque wrench
  15. Position the fluid catcher underneath the vehicle.
  16. Remove the master cylinder secondary pipe nut and primary pipe nut from the hydraulic control unit in turn.
    Tip: Use of the following tool(s) is recommended:
    • 12 mm socket
    • ¼ in to 3/8 in adapter
    • 6 in extension
    • Ratchet/torque wrench
  17. Release the primary and secondary pipes from the bundle clip.
  18. Release the master cylinder brake lines from the clip which is at the rear of the hydraulic control unit bracket, and then remove the master cylinder brake line bundle from the vehicle.

Install

  1. Place the master cylinder brake line bundle into the vehicle for installation.
  2. Install the nuts (x2) that attach the rear and the forward brake line to the brake booster.
    16 Nm (11.8 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 12mm 12pt combination wrench
    • ¼ in to 3/8 in adapter
    • 12 mm socket
    • Ratchet/torque wrench
  3. Install the brake reservoir cap, and then remove the absorbent material from underneath the brake booster and the reservoir area.
  4. Secure the master cylinder brake lines to the clip which is at the rear of the hydraulic control unit bracket.
  5. Install the primary and secondary pipes into the bundle clip.
  6. Install the master cylinder primary pipe nut and secondary pipe nut to the hydraulic control unit in turn.
    16 Nm (11.8 lbs-ft)
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    The video(s) included in this procedure are meant as an overview for supplemental purposes only. Follow all of the steps listed in the procedure to avoid damage to components and/or personal injury.
    Tip: Use of the following tool(s) is recommended:
    • 12 mm socket
    • ¼ in to 3/8 in adapter
    • 6 in extension
    • Ratchet/torque wrench
  7. Remove the fluid catcher from underneath the vehicle.
  8. Gently push the connector downward, and then engage the locking tab to connect the hydraulic control unit connector.
  9. Install the shock tower brace. See Brace - Shock Tower (Remove and Replace).
  10. Install the LV battery. See LV Battery (Remove and Replace).
  11. Connect the LV battery power. See LV Battery - Li-lon (Disconnect and Connect).
  12. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  13. Raise the vehicle fully and lower the lift onto locks.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION

    Make sure there is an audible click of the locks on both sides before lowering, otherwise the vehicle may tilt to one side.

    Make sure that the doors are clear of surrounding objects.

  14. Install the front aero shield. See Panel - Aero Shield - Front (Remove and Replace).
  15. Bleed the brake fluid. See Brake Fluid Bleed/Flush (Maintenance).