05/12/2023 07:08:46

ABS Modulator (Remove and Replace)

Correction code 33100102 2.10 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.

  • 2023-12-05: Updated brake stiffness routine.

Torque Specifications

Table 1. Torque Specifications: ABS Modulator (Remove and Replace)
Description Torque Value Recommended Tools Reuse/Replace Notes
Nuts that attach the ABS modulator to the bracket
8 Nm (5.9 lbs-ft)
  • 10 mm deep socket
  • 2 in extension
Reuse
Bolts that attach the ABS modulator to the LH frame rail
10 Nm (7.4 lbs-ft)
  • 10 mm socket
  • 6 in extension
  • Flex head ratchet/flex head torque wrench
Reuse
Bolt that attaches the steering gear assembly to the intermediate shaft assembly
18 Nm (13.3 lbs-ft)
  • 13 mm socket
 Reuse
Master cylinder primary pipe nut to the ABS modulator
16 Nm (11.8 lbs-ft)
  • 12 mm flare nut wrench
  • 12 mm flare nut crowfoot socket
  • 6 in extension
Reuse
Master cylinder secondary pipe nut to the ABS modulator
16 Nm (11.8 lbs-ft)
  • 12 mm flare nut wrench
  • 12 mm flare nut crowfoot socket
  • 6 in extension
Reuse
LH front brake pipe nut to the ABS modulator
16 Nm (11.8 lbs-ft)
  • 12 mm flare nut wrench
  • 12 mm flare nut crowfoot socket
Reuse
RH rear brake pipe nut to the ABS modulator
16 Nm (11.8 lbs-ft)
  • 12 mm flare nut wrench
  • 12 mm flare nut crowfoot socket
Reuse
LH rear brake pipe nut to the ABS modulator
16 Nm (11.8 lbs-ft)
  • 12 mm flare nut wrench
  • 12 mm flare nut crowfoot socket
Reuse
RH front brake pipe nut to the ABS modulator
16 Nm (11.8 lbs-ft)
  • 12 mm flare nut wrench
  • 12 mm flare nut crowfoot socket
Reuse
Bolts that attach the LH and RH sides of the shock tower brace See image in procedure for proper torque specifications
  • 15 mm deep socket
  • Flex head ratchet/flex head torque wrench
Reuse

Remove

  1. Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
  2. Using a steering wheel holder, lock the steering wheel into position.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Protect the seat from damage.
  3. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  4. Disconnect 12V power. See 12V/LV Power (Disconnect and Connect).
  5. Remove the 12V auxiliary battery. See 12V/LV Battery (Remove and Replace).
  6. Remove the bolts that attach the LH and RH sides of the shock tower brace.
    Tip: Use of the following tool(s) is recommended:
    • 15 mm deep socket
    • Flex head ratchet/flex head torque wrench
    Figure 1. LH shown; RH similar
  7. Positioin the shock tower brace assembly aside to gain clearance for removal of the battery bracket.
  8. Remove all the wheels. See Wheel Assembly (Remove and Install).
  9. Remove the front aero shield panel. See Panel - Aero Shield - Front (Non-Structural Pack) (Remove and Replace).
  10. Remove the bolt that attaches the steering gear assembly to the intermediate shaft assembly.
    Tip: Use of the following tool(s) is recommended:
    • 13 mm socket
  11. Slide the electric steering column upward to remove it from the steering gear assembly.
  12. Partially lower the vehicle.
  13. Disconnect the electrical connector from the ABS modulator.
  14. Place an oil drain container beneath the ABS modulator.
  15. Remove the RH front brake line pipe nut from the ABS modulator.
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
  16. Remove the LH rear brake line pipe nut from the ABS modulator.
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
  17. Remove the RH rear brake line pipe nut from the ABS modulator.
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
  18. Remove the LH front brake line pipe nut from the modulator.
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
  19. Remove the master cylinder secondary pipe nut from the ABS modulator.
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
    • 6 in extension
  20. Remove the master cylinder primary pipe nut from the ABS modulator.
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
    • 6 in extension
  21. Remove the master cylinder brake lines from the 4 tube bundle clip.
  22. Remove the RH front brake line from the front brake line bundle clip around the LH front rail area.
  23. Move the brake lines away from the ABS modulator.
  24. Release the master cylinder brake lines from the clip at the rear of the ABS modulator bracket.
  25. Remove the oil drain container from beneath the vehicle.
  26. Raise the vehicle fully.
  27. Remove the bolts that attach the ABS modulator to the frame rail.
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
    • 6 in extension
    • Flex head ratchet/flex head torque wrench
  28. 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.
  29. Loosen the nuts that attach the ABS modulator to the bracket, and then pry the ABS modulator from the bracket.
    Tip: Use of the following tool(s) is recommended:
    • 10 mm deep socket
    • 2 in extension

Install

  1. Install the ABS modulator onto the bracket.
  2. Tighten the nuts (x2) that attach the ABS modulator to the bracket.
    8 Nm (5.9 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10 mm deep socket
    • 2 in extension
  3. Position the ABS modulator into the vehicle for installation. Align the bracket into the body, and then attach the tabs (x2).
  4. Install the bolts that attach the ABS modulator to the LH frame rail.
    10 Nm (7.4 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10 mm socket
    • 6 in extension
    • Flex head ratchet/flex head torque wrench
  5. Slide the electric steering column downward to install it into the steering gear assembly.
  6. Install the bolt that attaches the steering gear assembly to the intermediate shaft assembly.
    18 Nm (13.3 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 13 mm socket
  7. Install the front aero shield panel. See Panel - Aero Shield - Front (Non-Structural Pack) (Remove and Replace).
  8. Partially lower the vehicle.
  9. Maneuver the master cylinder brake lines into position, and then fasten the clip that attaches the lines to the ABS modulator bracket.
  10. Install the RH front brake line into the front brake line bundle clip around the LH front rail area.
  11. Install the master cylinder brake lines to the 4 tube bundle clip.
  12. Install the master cylinder primary pipe nut to the ABS modulator.
    16 Nm (11.8 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
    • 6 in extension
  13. Install the master cylinder secondary pipe nut to the ABS modulator.
    16 Nm (11.8 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
    • 6 in extension
  14. Move the master cylinder lines into position for installation.
  15. Install the LH front brake pipe nut to the ABS modulator.
    16 Nm (11.8 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
  16. Install the RH rear brake pipe nut to the ABS modulator.
    16 Nm (11.8 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
  17. Install the LH rear brake pipe nut to the ABS modulator.
    16 Nm (11.8 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
  18. Install the RH front brake pipe nut to the ABS modulator.
    16 Nm (11.8 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 12 mm flare nut wrench
    • 12 mm flare nut crowfoot socket
  19. Connect the electrical connector to the ABS modulator.
  20. Position the shock tower brace assembly for installation.
  21. Install the bolts that attach the LH side of the shock tower brace.
    Informational PurposesAn informational icon, calling your attention
    Note
    See image for proper torque specifications.
    Tip: Use of the following tool(s) is recommended:
    • 15 mm deep socket
    • Flex head ratchet/flex head torque wrench
  22. Install the bolts that attach the RH side of the shock tower brace.
    Informational PurposesAn informational icon, calling your attention
    Note
    See image for proper torque specifications.
    Tip: Use of the following tool(s) is recommended:
    • 15 mm deep socket
    • Flex head ratchet/flex head torque wrench
  23. Install the 12V auxiliary battery. See 12V/LV Battery (Remove and Replace).
  24. Connect 12V power. See 12V/LV Power (Disconnect and Connect).
  25. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  26. Remove the steering wheel holder.
  27. Redeploy the vehicle firmware. See Software Reinstall - Toolbox.
  28. Perform brake fluid bleed / flush procedure. See Brake Fluid Bleed/Flush.
  29. 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.