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Home >> Tesla >> 2024 >> Model 3 Performance >> Repair and Diagnosis (Single Page) >> Brakes >> Brakes Control Systems >> Brakes -- Model 3 >> Brake Pipes and Hoses >> Brake Lines - Pipe Assembly, Brake Master Cylinder To HCU, LHD - Remove And Replace >> Install

Brake Lines - Pipe Assembly, Brake Master Cylinder To HCU, LHD - Remove And Replace: 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 N.m (11.8 lbs-ft) 

    Tip: Use of the following tool(s) is recommended:

    • 12 mm 12 pt combination wrench
    • 1/4 in to 3/8 in adapter
    • 12 mm socket
    • Ratchet/torque wrench
    G16603263Courtesy of TESLA, INC.
    G16603264Courtesy of TESLA, INC.
  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.
    G16603265Courtesy of TESLA, INC.
  5. Install the primary and secondary pipes into the bundle clip.
    G16603266Courtesy of TESLA, INC.
  6. Install the master cylinder primary pipe nut and secondary pipe nut to the hydraulic control unit in turn.

    16 N.m (11.8 lbs-ft) 

    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
    • 1/4 in to 3/8 in adapter
    • 6 in extension
    • Ratchet/torque wrench
    G16603268Courtesy of TESLA, INC.
    G16603269Courtesy of TESLA, INC.
  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.
    G16603270Courtesy of TESLA, INC.
  9. Install the shock tower brace. See BODY - BODY PANELS - FRONT INNER PANELS - SHOCK TOWER BRACE ASSEMBLY - REMOVE AND REPLACE .
  10. Install the LV battery. See LV BATTERY - LI-ION BATTERY PACK - REMOVE AND REPLACE .
  11. Connect the LV battery power. See LV BATTERY - LI-ION - DISCONNECT AND CONNECT .
  12. Install the underhood storage unit. See EXTERIOR FITTINGS - LUGGAGE COMPARTMENT TRIM - FRONT LUGGAGE STORAGE COMPARTMENT - FRUNK ASSEMBLY - REMOVE AND REPLACE .
  13. Raise the vehicle fully and lower the lift onto locks.
    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 FRONT UNDERTRAY - MODEL 3/Y, FRONT AERO SHIELD - REMOVE AND REPLACE .
  15. Bleed the brake fluid. See BRAKE FLUID BLEED/FLUSH (MAINTENANCE) .