2026-11-03

制动管路 - 左侧 门槛（后轮驱动）（拆卸和更换）

校正代码 33035122 5.10 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and its associated 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. NOTE: See 人员保护 to make sure wearing proper PPE when performing the below procedure. NOTE: See for safe and healthy working practices.

  • 2023-12-06: Updated brake stiffness routine.
  • 2023-06-09: Added shear plate small bolts torque figure for Structural Pack vehicles.
Warning
This procedure is a DRAFT. Although it has been validated, Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near High Voltage systems and components.

拆卸

  1. Remove the HV battery from the vehicle. See 高压电池 (RWD)（拆卸和安装）.
  2. Position the oil drain under front brake line junction area
  3. Release LH front bottom sill pipe from coupling
    Note
    1x nut, 12mm, 16 Nm, 1x coupling, 13mm, 16 Nm
  4. Release LH front top sill pipe from coupling
    Note
    1x nut, 12mm, 16 Nm, 1x coupling, 13mm, 16 Nm
  5. Release sill pipes from LH front body clip
    Note
    1x clip
  6. Place the oil drain pan under the brake line junction box
    Note
    Lower vehicle if necessary
  7. Remove the LH rear brake line tube nut from rear brake pipe junction block
    Note
    1x nut, 12mm, 16 Nm
  8. Remove the RH rear brake line tube nut from rear brake pipe junction block
    Note
    1x nut, 12mm, 16 Nm, Inner nut
  9. Remove black clip from LH rear junction block
    Note
    1x clip
  10. Release the brake lines from the LH rear junction block
    Note
    2x brake lines
  11. Remove the oil drain from underneath vehicle
  12. Raise vehicle fully and lower lift onto locks
    Note
    Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
  13. Remove side sill brake pipes from vehicle
    Note
    5x clips, 2x brake lines

安装

  1. Install side sill brake pipes to body
    Note
    5x clips, 2x brake lines
  2. Lower vehicle partially and set onto locks
    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered, Set vehicle to comfortable working height
  3. Place the oil drain pan under the brake line junction box
    Note
    Lower vehicle if necessary
  4. Position brake lines into LH rear brake junction block
    Note
    2x brake lines
  5. Install black clip securing brakes lines at LH rear junction block
    Note
    1x clip
  6. Install the RH rear brake line tube nut to LH brake pipe junction block
    Note
    1x nut, 12mm, 16 Nm
  7. Install the LH rear brake line tube nut to rear brake pipe junction block
    Note
    1x nut, 12mm, 16 Nm
  8. Position the oil drain under front brake line junction area
  9. Secure sill pipes to LH front body clip
    Note
    1x clip
  10. Install LH front top sill pipe to coupling
    Note
    1x nut, 12mm, 16 Nm, 1x coupling, 13mm, 16 Nm
  11. Install LH front bottom sill pipe to coupling
    Note
    1x nut, 12mm, 16 Nm, 1x coupling, 13mm, 16 Nm
  12. Remove the oil drain container from underneath drive unit
  13. Remove ancillary bay perimeter seal from HV battery pack
    Note
    Discard after removal
  14. Install the HV battery to the vehicle. See 高压电池 (RWD)（拆卸和安装）.
  15. Fill brake bleeder reservoir to full level
  16. Clean area around brake fluid reservoir and remove brake reservoir cap
  17. Top off brake fluid reservoir
    Note
    Top off brake fluid as needed
  18. Install pressure bleeder adapter onto reservoir
  19. Set brake bleed reservoir pressure to 30 psi
    Note
    Connect power supply to bleeder and turn on the power, Set pressure to 30 psi, Attach brake bleed reservoir to brake bleed adapter
  20. Remove bleeding valve covers and install the fluid catching bottle to LH front brake caliper outer bleeding valve before starting the ESP
    Note
    2x covers
  21. Open LH front brake caliper outer bleeding valve.
  22. 通过“维护模式”或 Toolbox 执行以下例行程序（请参阅）： PROC_ESP_FRONT-L-REAR-R-BRAKE-BLEEDvia Service Mode:Chassis ➜ Brakes ➜ Brake Bleed FL-RRvia Service Mode Plus:
    • chassis ➜ ESP Post Replacement ➜ Bleed FL/RR Calipers
    • chassis ➜ ESP Replacement Panel ➜ Bleed FL/RR Calipers
    • chassis ➜ IBST Replacement Panel ➜ Bleed FL/RR Calipers
    via Toolbox:(link)
  23. Close the bleeding valve once the pump stop running, then repeat the process for inner bleeding valve, and then lastly repeat the process for outer bleeding valve again
    Note
    2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
  24. Repeat the above step till clear fluid and no air bubbles come out of the LH front brake caliper bleeding valve
    Note
    2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
  25. Remove the fluid catching bottle, Torque LH front brake caliper bleeding valves then install covers
    Note
    2x covers, 2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
  26. Remove bleeding valve covers and install the fluid catching bottle to RH front brake caliper outer bleeding valve before starting the ESP
    Note
    2x covers
  27. Open RH front brake caliper outer bleeding valve.
  28. 通过“维护模式”或 Toolbox 执行以下例行程序（请参阅）： PROC_ESP_FRONT-R-REAR-L-BRAKE-BLEEDvia Service Mode:Chassis ➜ Brakes ➜ Brake Bleed FR-RLvia Service Mode Plus:
    • chassis ➜ ESP Post Replacement ➜ Bleed FR/RL Calipers
    • chassis ➜ ESP Replacement Panel ➜ Bleed FR/RL Calipers
    • chassis ➜ IBST Replacement Panel ➜ Bleed FR/RL Calipers
    via Toolbox:(link)
  29. Close the bleeding valve once the pump stop running, then repeat the process for inner bleeding valve, and then lastly repeat the process for outer bleeding valve again
    Note
    2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
  30. Repeat the above step till clear fluid and no air bubbles come out of the RH front brake caliper bleeding valves
    Note
    2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
  31. Remove the fluid catching bottle, Torque RH front brake caliper bleeding valves and install covers
    Note
    2x covers, 2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
  32. Remove bleeding valve cover and install the fluid catching bottle to RH rear brake caliper bleeding valve before starting the ESP
    Note
    1x cover
  33. Open RH rear brake caliper bleeding valve.
  34. 通过“维护模式”或 Toolbox 执行以下例行程序（请参阅）： PROC_ESP_FRONT-L-REAR-R-BRAKE-BLEEDvia Service Mode:Chassis ➜ Brakes ➜ Brake Bleed FL-RRvia Service Mode Plus:
    • chassis ➜ ESP Post Replacement ➜ Bleed FL/RR Calipers
    • chassis ➜ ESP Replacement Panel ➜ Bleed FL/RR Calipers
    • chassis ➜ IBST Replacement Panel ➜ Bleed FL/RR Calipers
    via Toolbox:(link)
  35. Close the bleeding valve once the pump stop running
    Note
    1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
  36. Repeat the above step till clear fluid and no air bubbles come out of the RH rear brake caliper bleeding valve
    Note
    1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
  37. Remove the fluid catching bottle, Torque RH rear brake caliper bleeding valve and install cover
    Note
    1x cover, 1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
  38. Remove bleeding valve cover and install the fluid catching bottle to LH rear brake caliper bleeding valve before starting the ESP
    Note
    1x cover
  39. Open LH rear brake caliper bleeding valve
  40. 通过“维护模式”或 Toolbox 执行以下例行程序（请参阅）： PROC_ESP_FRONT-R-REAR-L-BRAKE-BLEEDvia Service Mode:Chassis ➜ Brakes ➜ Brake Bleed FR-RLvia Service Mode Plus:
    • chassis ➜ ESP Post Replacement ➜ Bleed FR/RL Calipers
    • chassis ➜ ESP Replacement Panel ➜ Bleed FR/RL Calipers
    • chassis ➜ IBST Replacement Panel ➜ Bleed FR/RL Calipers
    via Toolbox:(link)
  41. Close the bleeding valve once the pump stop running
    Note
    1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
  42. Repeat the above step until clear fluid and no air bubbles come out of the LH rear brake caliper bleeding valve
    Note
    1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
  43. Remove the fluid catching bottle, Torque LH rear brake caliper bleeding valve and install cover
    Note
    1x cover, 1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
  44. Power off brake bleed reservoir and detach brake bleed reservoir from brake bleed adapter
  45. Remove pressure bleeder adapter from reservoir
  46. Check fluid level
    Note
    Top off if necessary
  47. Install brake reservoir cap
  48. Pump the brake pedal a few times to ensure the brake pedal feels normal
  49. 通过“维护模式”或 Toolbox 执行以下例行程序（请参阅）： TEST_BRAKE_X_STIFFNESS-TEST-SERVICEvia Service Mode:Chassis ➜ Brakes ➜ Brake Stiffness Testvia Service Mode Plus:chassis ➜ ESP Replacement Panel ➜ Stiffness Testvia Toolbox:(link)
    Note
    Do not press the brake pedal during the test.
  50. Close all four doors
    Note
    If 12V is powered up, Unlatch rear doors before closing
  51. Raise vehicle partially and lower lift onto locks
    Note
    Set vehicle to a comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
  52. Install all four wheels
    Note
    5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
  53. Lower vehicle until tires are touching the ground
    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  54. Torque all four wheels
    Note
    5x nuts, 21mm, 175 Nm
  55. Install all four wheel caps
    Note
    1x cap, Align valve stem with wheel cap cavity
  56. Install rear apron
    Note
    14x clips, Hold rear wall of frunk to keep from flexing while engaging front clips
  57. Close hood
  58. Remove vehicle from lift
    Note
    Lower rack arms fully and remove from under vehicle
  59. Move LH front seat to original position
  60. Raise all four windows and close all four doors.
    Note
    If 12V is powered up, unlatch rear doors before closing
  61. Perform a road test and ensure proper brake pedal feel and performance
    Note
    Per current FRT (00040100)