2025-04-07

Brake Booster - LHD (Remove and Replace)

Correction code 3320010102 FRT 0.85 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.

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Note
This procedure is applicable to vehicles manufactured outside of North America.

Torque Specifications

Table 1. Torque Specifications: Brake Booster - LHD (Remove and Install)
Description Torque Value Recommended Tools Reuse/Replace Notes
Nut that attaches the master cylinder secondary pipe from the brake booster
16 Nm (11.8 lbs-ft)
  • 12 mm 6-point flare nut crowfoot socket (mount at 90 degrees)
 Reuse
Nut that attaches the master cylinder primary pipe from the brake booster.
16 Nm (11.8 lbs-ft)
  • 12 mm 6-point flare nut crowfoot socket (mount at 90 degrees)
 Reuse
Nuts (x2) that attach the brake assembly to the bulkhead
16.5 Nm (12.2 lbs-ft)
  • 13 mm deep socket
  • Torque wrench with angle measurement
 Replace 1111541-00-A

Install

  1. Position the brake booster to the vehicle, and then install new nuts (x2) that attach the brake assembly to the bulkhead.
    16.5 Nm (12.2 lbs-ft)
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    Note
    Use of the following tool(s) is recommended:
    • 13 mm deep socket
    • Torque wrench with angle measurement
  2. Align the brake pedal to the iBooster rod, and then install the brake clevis clip pin to the brake pedal assembly.
  3. Install the cotter clip that attaches the brake clevis clip pin to the pedal assembly.
  4. Install the driver footwell hush panel. See Instrument Panel - Driver Footwell Closeout (Remove and Replace).
  5. Install the nut that attaches the master cylinder primary pipe to the brake booster.
    16 Nm (11.8 lbs-ft)
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    Note
    Hand-tighten the nut first to avoid cross-threading.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 12 mm 6-point flare nut crowfoot socket (mount at 90 degrees)
  6. Install the nut that attaches the master cylinder secondary pipe to the brake booster.
    16 Nm (11.8 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Hand-tighten the nut first to avoid cross-threading.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 12 mm 6-point flare nut crowfoot socket (mount at 90 degrees)
  7. Connect the brake booster ECU harness connector.
  8. Connect the brake fluid level sensor connector.
  9. Connect the LV battery. See LV Power (Disconnect and Connect).
  10. Reinstall the software. See Software Reinstall - Touchscreen.
  11. Confirm that whether the replacement DPB is pre-filled with brake fluid:
  12. Remove the front wheels. See Wheel Assembly (Remove and Install).
  13. Locally connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
  14. Clean the area around the brake fluid reservoir breather cap and remove the cap.
  15. Add clean brake fluid to the MAX level in the reservoir.
  16. Install the pressure bleeder adapter onto the vehicle brake reservoir.
  17. Connect power supply to the bleeder tool, and then turn the bleeder tool on.
  18. Set the brake bleed reservoir pressure to 30 PSI, and then attach the brake bleed reservoir to the brake bleed adapter.
  19. Bleed the inner valve of the LH front caliper.
    1. Remove the LH front caliper inner bleed valve cover, and then install the fluid catcher.
    2. Open the inner bleed valve and watch the fluid as it flows out of the caliper.
    3. In Toolbox, click on the Actions/Autodiag tab, search for "DPB Brake Fluid Change routine", and select the PROC_DPB_BRAKE-FLUID-CHANGE, click Run to start the routine.
      Informational PurposesAn informational icon, calling your attention
      Note
      This routine can be performed via the following touchscreen path: Chassis > Procedures > DPB Post Replacement > Bleed FL Caliper.
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      Note
      DPB will pressurize the brake system with impulses.
    4. Close the bleed valve when the pump stops.
    5. Make sure that the reservoir does not go empty, or that the catch bottle does not overfill.
    6. Repeat step 19.b through step 19.e until clean fluid without bubbles flows out of the caliper.
    7. Remove the fluid catcher, and then torque the LH front caliper inner bleed valve and install the inner valve cap.

      Mando brake calipers

      10 Nm (7.4 lbs-ft)

      Hitachi brake calipers

      12 Nm (8.8 lbs-ft)

      Brembo brake calipers

      18.5 Nm (13.6 lbs-ft)
      Informational PurposesAn informational icon, calling your attention
      TIp
      Use of the following tool(s) is recommended:
      • 11 mm socket
  20. Repeat step 19 to bleed the inner valve of the RH front caliper.
    Informational PurposesAn informational icon, calling your attention
    Note
    To bleed the FR inner valve via the touchscreen, choose Chassis > Procedures > DPB Post Replacement > Bleed FR Caliper.
  21. Turn off and remove the pressure brake bleeder kit from the vehicle.
  22. Check the brake fluid level and top off as necessary.
  23. Install the service brake reservoir cap.
  24. Remove the absorbent material from beneath the brake booster assembly and the reservoir area.
  25. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes):
    1. TEST-SELF_DPB_TMC-BRAKE-PEDAL-PRESSvia Toolbox: (link)via Service Mode Plus: chassis ➜ DPB Post Replacement ➜ Master Cylinder Stiffness Test
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      Note
    2. TEST-SELF_BRAKE_X_DPB-ESP-CORNER-STIFFNESS-TESTvia Toolbox: (link)via Service Mode Plus:
      • chassis ➜ DPB Post Replacement ➜ Corner Stiffness Test
      • chassis ➜ ESP Post Replacement ➜ Corner Stiffness Test
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      Note

      If the test fails due to leakage, identify and address the root cause of the leak.

      If the test fails due to stiffness, perform a brake fluid bleed procedure on the failed caliper.

      If the test still fails after completing the brake fluid bleed procedure on the failed caliper, proceed with the Advanced Bosch Brake Fluid Bleed/Flush (Maintenance) Procedure.

    3. TEST-SELF_DPB_LEAKAGE-AND-AIR-MONITORINGvia Toolbox: (link)
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      Note
      Informational PurposesAn informational icon, calling your attention
      Note
      To perform this routine via the touchscreen: Chassis > Procedures > DPB Post Replacement > Leakage and Air Monitoring Test
    4. TEST-SELF_DPB_VALVE-COMFORT-PULSE-CALIBRATIONvia Toolbox: (link)via Service Mode Plus: chassis ➜ DPB Post Replacement ➜ Valve Calibration
  26. Exit Service Mode or disconnect the laptop if applicable (see 0005 - Service Modes).
  27. Press the brake pedal several times to verify proper feel and action.
  28. Install the front wheels. See Wheel Assembly (Remove and Install).
  29. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  30. Install the HEPA filter assembly. See Service Kit - Hepa And Carbon Filters (Remove and Replace).
  31. Perform a road test to make sure there is proper pedal feel and brake performance.
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    Note
    Add test drive correction code 00040100 as a separate activity to the Service Visit.