01/04/2024 13:56:54

Brake Lines - Master Cylinder to ABS (Dual Motor) (RHD) (Remove and Replace)

Correction code 33034252 5.04 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.

  • 2023-12-08: Updated brake stiffness routine.
  • 1090880-00-A Steering Wheel Holder **Std. w/ Hunter Alignment Equip.**
  • 1463565-00-A Tool, Flexible Funnel
  • 1096075-00-A Tool, Hub Puller, Hydraulic
  • 1066521-00-A OTC Lift, 1,650LB Powertrain Table
  • 1099645-00-C Fixture, Subframe, Model 3
  • 1140311-00-A Lever Lock, HV Connector, Model 3

Remove

  1. Partially raise the vehicle to a comfortable working height. See Raise Vehicle - 2 Post Lift.
  2. Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
  3. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  4. Disconnect 12V power. See 12V/LV Power (Disconnect and Connect).
  5. Perform the vehicle electrical isolation procedure. See Vehicle HV Disablement Procedure.
  6. Remove the LH and RH front wheel center caps. See Cap - Wheel (Remove and Replace).
  7. Lower the vehicle, and then loosen the front and rear wheel lug nuts (torque 175 Nm).
  8. Loosen the LH and RH front drive unit halfshaft nuts (torque 300 Nm).
  9. Make sure the front wheels are pointed straight ahead, and then center and lock the steering wheel using a bubble leveler and steering wheel holder.
  10. Remove the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
  11. Remove the HVAC plenum outer duct. See Duct - HVAC Plenum - Outer (Remove and Replace).
  12. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  13. Remove the cowl screen panel. See Panel - Cowl Screen (Remove and Replace).
  14. Remove the HVAC plenum inner duct. See Duct - HVAC Plenum - Inner (Remove and Replace)
  15. Remove the bolt that attaches the electric steering column to the steering rack assembly.
    Figure 1. LHD shown, RHD similar
  16. Slide the electric steering column upward to remove it from the steering rack assembly.
    Figure 2. LHD shown, RHD similar
  17. Disconnect the electrical connectors (x4) from the steering rack assembly.
    Figure 3. LHD shown, RHD similar
  18. Remove the 12V battery. See 12V/LV Battery (Remove and Replace).
  19. Remove the battery bracket. See Bracket - 12V Battery (Dual Motor) (Remove and Replace).
    Informational PurposesAn informational icon, calling your attention
    Note
    It is not required to remove the front body controller module from the vehicle.
  20. Disconnect the electrical harness from the chiller and EXV assembly hose coolant temperature sensor connector.
  21. Release the clip that attaches the 12V battery vent hose to the chiller-car computer and HV battery supply manifold hose.
  22. Release the clip that attaches the electrical harness to the chiller-car computer and HV battery supply manifold hose.
  23. Place an absorbent towel under the chiller.
  24. Release the clip that connects the hose to the chiller and EXV assembly, and then disconnect the hose from the chiller.
  25. Plug the chiller coolant outlet.
  26. Place an absorbent towel under the car computer coolant connections, as shown.
    Figure 4. LHD shown, RHD similar
  27. Release the clip that connects the LH car computer coolant hose to the car computer coolant port, and then disconnect the hose.
    Figure 5. LHD shown, RHD similar
  28. Release the clip that connects the RH car computer coolant hose to the car computer coolant port, and then disconnect the hose.
    Figure 6. LHD shown, RHD similar
  29. Plug the car computer coolant ports.
  30. Remove and discard the bolts (x4) that attach the electrical harness ground terminals to the body in the front LH frame rail area (torque 10 Nm).
  31. Release the clips that attach the main front harness to the body in the front LH frame rail area, and then move the LH side of the front harness aside for access.
  32. Disconnect the electrical connector from the ABS modulator.
  33. Place an oil drain container under the ABS modulator area.
  34. Remove the RH front brake line pipe nut from the ABS modulator.
  35. Remove the LH rear brake line pipe nut from the ABS modulator.
  36. Remove the RH rear brake line pipe nut from the ABS modulator.
  37. Remove the LH front brake line pipe nut from the modulator.
  38. Remove the master cylinder secondary pipe nut from the ABS modulator.
  39. Remove the master cylinder primary pipe nut from the ABS modulator.
  40. Remove the clip that attaches the master cylinder brake lines to the 4-tube bundle.
  41. Release the master cylinder brake lines from the clip at the rear of the ABS modulator bracket.
  42. Remove the oil drain container from beneath the vehicle.
  43. Remove the bolts that attach the ABS modulator to the frame rail.
  44. Release the tabs (x2) that attach the ABS modulator to the body, slide the ABS modulator towards the 12V battery area, and then remove the ABS modulator from the vehicle.
  45. Place absorbent towels under the brake fluid reservoir, and then remove as much fluid from the reservoir as possible..
    Figure 7. LHD shown, RHD similar
  46. Loosen the nuts that attach the brake lines to the booster, and then slide the nuts back on the brake lines.
    Figure 8. LHD shown, RHD similar
  47. Remove the front and rear wheels. See Wheel Assembly (Remove and Install).
  48. Remove the LH and RH front wheel arch liners. See Wheel Arch Liner - Front - LH (Remove and Replace).
  49. Remove the front aero shield. See Panel - Aero Shield - Front (Remove and Replace).
  50. Remove the front fascia. See Fascia - Front (Remove and Install).
  51. Remove the front subframe. See Subframe Assembly - Front (Dual Motor) (Remove and Install).
  52. Remove the chiller to car computer and HV battery supply manifold hose. See Hose - Chiller to Car Computer and HV Battery Supply Manifold (Dual Motor) (Remove and Replace).
  53. Release the PTC HV electrical connector from the bracket, and then disconnect the connector.
  54. Disconnect the A/C compressor electrical connector from the HV harness, and then release the clips that attach the HV harness to the body in the lower bulkhead area.
  55. Release the clips (x3) that attach the 12V harness to the body.
  56. Remove the clips (x2) that attach the brake lines to the body.
  57. Remove the brake line bundle from the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Shift the bundle towards the RH front, then remove the brake lines from the steering column area and out between the front subframe cavity.

Install

Installation procedure is the reverse of removal, except for the following:

  1. After connecting 12V power, connect a laptop with Toolbox 3 to the vehicle.
  2. Select "Start Thermal Fluid Fill/Drain (Coolant only)", click Run, and allow the routine to complete.
  3. Perform a cooling system vacuum refill. See Cooling System (Vacuum Refill).
  4. In Toolbox, select the "Actions"tab, select TEST-RESET_VCFRONTSearch for routine in ToolboxVCFRONT UDS ECU ResetLow Voltage / Power Distribution - Reset VCFRONTMid Voltage / Power Distribution - Reset VCFRONT, click "Run:", and allow the routine to complete.
  5. Select TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGESearch for routine in ToolboxCoolant Air PurgeThermal / Coolant System - Coolant Purge Starthv / Front Drive Inverter Replacement - Coolant Air Purgehv / Rear Drive Inverter Replacement - Coolant Air Purgehv / Rear Left Drive Inverter Replacement - Coolant Air Purgehv / Rear Right Drive Inverter Replacement - Coolant Air Purgehv / Front Drive Unit Replacement - Coolant Air Purgehv / Rear Drive Unit Replacement - Coolant Air PurgeThermal / Actions - Coolant Purge Stop or Coolant Purge Start, click "Run:", and allow the routine to complete.
  6. Inspect coolant level and top up as necessary.
  7. Bleed the brakes. See Brake Fluid Bleed/Flush.
  8. Using Toolbox 3:
    1. Select the Actions tab and search for "Stiffness".
    2. Select the ODIN routine TEST_BRAKE_X_STIFFNESS-TEST-SERVICESearch for routine in ToolboxIBST Stiffness Test - Service - BURNISHED/UNBURNISHEDChassis / Brakes - Brake Stiffness Test, and then click the link of the routine.
    3. If brake pads or rotors have been replaced, select UNBURNISHED under "Action_Type". In all other cases, select BURNISHED.
    4. Click RUN, and allow the routine to complete.
      Informational PurposesAn informational icon, calling your attention
      Note
      Do not press the brake pedal during the test.
  9. Check the vehicle wheel alignment, and adjust if necessary. See Four Wheel Alignment Check.
  10. Perform a test drive and make sure that the vehicle's braking and riding performance is as designed.