04/06/2024 21:10:58

液压控制单元 (HCU) - 制动（结构化电池组）（拆卸和更换）

校正代码 33109532 2.58 注意：除非本程序中另有明确规定，否则上述校正代码和 FRT 反映的是执行本程序（包括关联程序）所需的所有工作。除非明确要求，否则请勿堆叠校正代码。注意：请参阅平均维修工时，深入了解 FRT 及其创建方式。要提供有关 FRT 值的反馈，请发送电子邮件至LaborTimeFeedback@tesla.com。注意：请参阅人员保护，确保在执行以下程序时穿戴适当的个人防护装备 (PPE)。

2023-12-07: Updated brake stiffness routine.

警告

尽管此程序已经过验证，但仍是一个草案。可能没有警告和注意事项。请遵守安全要求，处理或靠近高压系统和部件时，请谨慎操作。请将校正修理内容及反馈发送至ServiceDevelopment@teslamotors.com。

拆卸

Raise and support vehicle with wheels still touching the ground

注
Ensure vehicle is not charging
Open LH front door
Lower LH front window
Open hood
Remove the rear underhood apron. See 前备箱挡板 - 后部（拆卸和更换）.
Remove the underhood storage unit. See 前备箱储物单元（拆卸和更换）.
Remove HEPA filter assembly

注
2x bolts, 10mm, 5 Nm
Power off vehicle from center display

注
Via Controls > Safety & Security > Vehicle Power > Power Off
Disconnect LV battery connector and First Responder Loop

注
2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection, Release red lock tab on FRL, Allow 2 minutes for all electrical circuits to fully discharge
Verify operation of multimeter

注
Set multimeter to DC voltage, Confirm multimeter is properly measuring voltage by testing LV battery, Touch lightly and do not damage terminals
Raise vehicle fully and lower lift onto locks

注
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
Remove push clips at left and right wheel house liner to mid aero shield

注
2x clips
Remove mid aero shield

注
11x bolts, 10mm, 5 Nm, Fasteners may vary, Model Y Structural Pack will have one less bolt and one extra clip
Remove all items from pockets and ensure not wearing metal items
Inspect HV insulating gloves

注
Check gloves for damage prior to use, Refer to service document TN-15-92-003 R1, for information on inspecting HV gloves. https://service.teslamotors.com/protected-doc/ServiceBulletins/External/TN/TN-15-92-003_High_Voltage_Awareness_Care_Points_R4.pdf
Put on HV insulating gloves and leather over gloves

注
Make sure to wear Electrical Protective Gloves any time Hioki tester is used
Install amp clamp to RDU HV harness

注
Verify meter is zeroed out before performing measurement, Measure single cable. Verify ammeter is installed in correct direction. If current > 0.5A do not proceed with disconnecting HV connector. In this case, start vehicle electrical isolation again to make sure that all was properly shut down. Escalate for assistance as required If current < 0.5A, Ok to disconnect and check voltage at HV plug on the battery side.
Release RDU HV harness from HV battery

注
1x connector, Release locking tab and rotate the release lever up to disengage the connector, Do not force the release lever up, Ensure the alignment tabs on the RDU header are not damaged
Verify no high voltage at RDU HV header

注
Make sure to wear PPE (HV gloves, safety glasses) when working on high voltage component, Measure B+ to Ground, B- to Ground, B+ to B-, If voltage is greater than 10V, Pack contactors are not open or welded, Stop work and reach out to Service Engineering
Remove the front aero shield panel. See 面板 - 流线型护板 - 前（结构化电池组）（拆卸和更换）.
Lower vehicle for access to underhood area

注
Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
Remove clip securing negative terminal cable to AC compressor bracket

注
1x clip
Remove the LV battery. See 12V/低压电池（拆卸和更换）.
Remove all four wheels. See 轮毂总成（拆卸和安装）.
Lower vehicle for access to underhood area

注
Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
Position the oil drain container under hydraulic control unit area
Position protective fender cover over fan shroud and support
Remove clips securing PT supply hose to AC compressor bracket

注
2x clips
Release clip securing HV compressor harness to plastic connector housing

注
1x clip, Take note of original routing
Release clip securing AC compressor logic connector to HV harness

注
1x fir tree clip
Release AC compressor logic connector

注
1x locking connector, Pull red tab to disengage lock and pull again to release connector, Do not push down on red tab
Remove fastener securing compressor HV harness to AC compressor

注
1x bolt, 13mm, 9 Nm
Release HV harness connector from AC compressor

注
1x locking connector, Disengage black locking tab and release connector
Remove AC compressor ground strap

注
1x bolt, 10mm, 7 Nm, MYSP uses T25 bolt
Remove the clip securing the coolant hose to the AC compressor bracket

注
1x fir tree clip
Remove AC compressor and AC compressor bracket assembly from strut tower support brace

注
2x bolts, 15mm, 31 Nm, Recommend assistance, Support the AC compressor while removing the fasteners, Carefully remove the AC compressor and AC compressor bracket towards the front of the vehicle, under the strut tower support brace and rest on fender cover
Disconnect HCU connector

注
1x connector, Release red locking tab, Press black release tab and rotate lever upward to remove
Release HCU connector harness

注
2x clips
Remove 4-tube bundle brake lines from HCU

注
4x nuts, 12mm, 16 Nm
Release 4-tube bundle brake lines from LH top spacer

注
4x clips, Do not bend pipes
Remove master cylinder secondary pipe from HCU

注
1x nut, 12mm, 16 Nm
Remove master cylinder primary pipe from HCU

注
1x nut, 12mm, 16 Nm
Remove LH top spacer from master cylinder brake pipes

注
2x clips, Do not bend pipes
Release the master cylinder brake lines from clip at rear of hydraulic control unit bracket

注
1x harness clip
Remove the bolts securing the hydraulic control unit to frame rail

注
2x bolts, 10mm, 10 Nm
Remove HCU and bracket assembly from vehicle

注
2x tabs, Negotiate HCU around brake lines, Take care not to damage bracket tabs
Loosen the fasteners securing the hydraulic control unit to the hydraulic control unit bracket

注
2x nuts, 10mm, 8 Nm
Pry hydraulic control unit from the bracket

安装

Install hydraulic control unit into hydraulic control unit bracket
Install the fasteners securing hydraulic control unit to the hydraulic control unit bracket

注
2x nuts, 10mm, 8 Nm
Position HCU and bracket assembly onto vehicle

注
2x tabs, Negotiate HCU around brake lines, Align bracket tabs with body holes
Install the bolts securing the hydraulic control unit to frame rail

注
2x bolts, 10mm, 10 Nm
Position the master cylinder brake lines to clip at rear of hydraulic control unit bracket

注
1x harness clip
Install LH top spacer onto master cylinder brake pipes

注
2x clips, Do not bend pipes
Install master cylinder primary pipe onto HCU

注
1x nut, 12mm, 16 Nm, Start nut by hand to avoid cross threading
Install master cylinder secondary pipe onto HCU

注
1x nut, 12mm, 16 Nm, Start nut by hand to avoid cross threading
Secure 4-tube bundle brake lines onto LH top spacer

注
4x clips, Do not bend pipes
Install 4-tube bundle brake lines onto HCU

注
4x nuts, 12mm, 16 Nm, Clean lines with brake cleaner before mating as needed
Secure HCU connector harness

注
2x clips
Connect HCU connector

注
1x connector, Seat connection and rotate lever downward, Secure red locking tab
Position the AC compressor and AC compressor bracket assembly into the vehicle for assembly and install the fasteners securing the AC compressor assembly to the strut tower support brace

注
2x bolts, 15mm, 31 Nm, Recommend assistance, Support the AC compressor while installing the fasteners, Carefully install the AC compressor and AC compressor bracket towards the rear of the vehicle, under the strut tower support brace
Install the clip securing the coolant hose to the AC compressor bracket

注
1x fir tree clip
Install AC compressor ground strap

注
1x bolt, 10mm, 7 Nm
Install clip securing HV compressor harness to plastic connector housing

注
1x clip, Take note of original routing
Secure HV harness connector onto AC compressor

注
1x locking connector, Secure connector and engage black locking tab, Verify fully seated
Install fastener securing AC compressor HV harness bracket to AC compressor

注
1x bolt, 13mm, 9 Nm
Secure AC compressor logic connector

注
1x locking connector, secure connection and engage red locking tab
Install clip securing AC compressor logic connector to HV harness

注
1x fir tree clip
Install clips securing PT supply hose to AC compressor bracket

注
2x clips
Remove protective fender cover over fan shroud and support
Remove the oil drain container from underneath vehicle
Raise vehicle fully and lower lift onto locks

注
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
Secure RDU HV harness onto HV battery

注
1x connector, Verify lever is in the upright and open position, Carefully seat connector and allow lever to engage, Fully secure lever and verify red tab is locked, Do not damage any pins
Remove HV insulating gloves
Apply Loctite 222 onto mid aero shield bolts and install mid aero shield

注
11x bolts, 10mm, 5 Nm, Fasteners may vary, Model Y Structural Pack will one less bolt and one extra clip
Install push clips at left and right wheel house liner to mid aero shield

注
2x clips
Lower vehicle fully

注
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Position LV battery into vehicle

注
Lower vertically LV battery into the vehicle
Install fasteners securing LV battery

注
3x bolts, 8mm, 6 Nm Early production vehicle may have 3x bolts, M6, 10mm, 10 Nm
Install clip securing negative terminal cable to AC compressor bracket

注
1x clip
Connect first responder loop and LV battery

注
2x connectors, Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage green locking tab when fully seated
Connect to vehicle using Toolbox 3.0

注
Vehicle connection is integrated into drivers footwell cover, Open Toolbox 3 website and establish connection to the vehicle. https://toolbox.teslamotors.com, Select connection status icon at top right corner, and select connect locally (icon will turn green when vehicle is connected)
Select ‘Actions/Autodiag’ and search for ‘Service_Redeploy’
Select ‘UPDATE_CAN-REDEPLOY’, click ‘Run’, and allow routine to complete

注
Select ‘X’ at top right of window to close once complete
Once firmware redeploy is complete, Verify on center display release notes are present

注
If the redeploy fails you may receive an error message on UI
Fill brake bleeder reservoir to full level
Clean area around brake fluid reservoir and remove brake reservoir cap
Top off brake fluid reservoir

注
Top off brake fluid as needed
Install pressure bleeder adapter onto reservoir
Set brake bleed reservoir pressure to 30 psi

注
Connect power supply to bleeder and turn on the power, Set pressure to 30 psi, Attach brake bleed reservoir to brake bleed adapter
Select Actions/Autodiag and search for "bleed"
Remove bleeding valve covers and install the fluid catching bottle to LH front brake caliper outer bleeding valve before starting the ESP

注
2x covers
Open LH front brake caliper outer bleeding valve then click the play button next to PROC_ESP_FRONT-L-REAR-R-BRAKE-BLEED and select Run to start the ESP, then 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

注
2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
Repeat the above step till clear fluid and no air bubbles come out of the LH front brake caliper bleeding valve

注
2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
Remove the fluid catching bottle, Torque LH front brake caliper bleeding valves then install covers

注
2x covers, 2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
Remove bleeding valve covers and install the fluid catching bottle to RH front brake caliper outer bleeding valve before starting the ESP

注
2x covers
Open RH front brake caliper outer bleeding valve then Click the play button next to PROC_ESP_FRONT-R-REAR-L-BRAKE-BLEED and select Run to start the ESP, then 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

注
2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
Repeat the above step till clear fluid and no air bubbles come out of the RH front brake caliper bleeding valves

注
2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
Remove the fluid catching bottle, Torque RH front brake caliper bleeding valves and install covers

注
2x covers, 2x bleeding valves, 11mm, 18.5 Nm (+/- 2 Nm) Base and Plus calipers
Remove bleeding valve cover and install the fluid catching bottle to RH rear brake caliper bleeding valve before starting the ESP

注
1x cover
Open RH rear brake caliper bleeding valve then Click the play button next to PROC_ESP_FRONT-L-REAR-R-BRAKE-BLEED and select Run to start the ESP, then close the bleeding valve once the pump stop running

注
1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Repeat the above step till clear fluid and no air bubbles come out of the RH rear brake caliper bleeding valve

注
1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Remove the fluid catching bottle, Torque RH rear brake caliper bleeding valve and install cover

注
1x cover, 1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Remove bleeding valve cover and install the fluid catching bottle to LH rear brake caliper bleeding valve before starting the ESP

注
1x cover
Open LH rear brake caliper bleeding valve then Click the play button next to PROC_ESP_FRONT-R-REAR-L-BRAKE-BLEED and select Run to start the ESP, then close the bleeding valve once the pump stop running

注
1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Repeat the above step untill clear fluid and no air bubbles come out of the LH rear brake caliper bleeding valve

注
1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Remove the fluid catching bottle, Torque LH rear brake caliper bleeding valve and install cover

注
1x cover, 1x bleeding valve, 11mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Power off brake bleed reservoir and detach brake bleed reservoir from brake bleed adapter
Remove pressure bleeder adapter from reservoir
Check fluid level

注
Top off if necessary
Install brake reservoir cap
Pump the brake pedal a few times to ensure the brake pedal feels normal
使用Toolbox 3：
1. 选择Actions选项卡，然后搜索 “刚度”。
2. 选择 ODIN 例行程序TEST_BRAKE_X_STIFFNESS-TEST-SERVICE，然后点击例行程序链接。
3. 如果已更换制动片或制动盘，请在 “Action_Type” 下选择UNBURNISHED。否则请选择BURNISHED。
4. 点击RUN，然后等待例行程序完成。
  
  注
  测试期间，请勿踩下制动踏板。
Remove ethernet cable from Ethernet port to disconnect Toolbox 3.0 from vehicle
Raise vehicle partially and lower lift onto locks

注
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
Install LH front wheel

注
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
Install LH rear wheel

注
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
Install RH rear wheel

注
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
Install RH front wheel

注
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
Raise vehicle fully and lower lift onto locks

注
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
Apply Loctite 222 onto front aero shield bolts and install fasteners securing front aero shield to vehicle

注
12x bolts, 10mm, 6 Nm, 2x nuts, 15mm, 6 Nm, 2x clips, 2x hooks
Lower vehicle until tires are touching the ground

注
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Torque LH front wheel

注
5x nuts, 21mm, 175 Nm
Torque RH front wheel

注
5x nuts, 21mm, 175 Nm
Torque RH rear wheel

注
5x nuts, 21mm, 175 Nm
Torque LH rear wheel

注
5x nuts, 21mm, 175 Nm
Install LH front wheel cap

注
1x cap, Align valve stem with wheel cap cavity
Install RH front wheel cap

注
1x cap, Align valve stem with wheel cap cavity
Install RH rear wheel cap

注
1x cap, Align valve stem with wheel cap cavity
Install LH rear wheel cap

注
1x cap, Align valve stem with wheel cap cavity
Install HEPA filter assembly

注
2x bolts, 10mm, 5 Nm, 2x datums
Install the underhood storage unit. See 前备箱储物单元（拆卸和更换）.
Install the rear underhood apron. See 前备箱挡板 - 后部（拆卸和更换）.
Close hood
Remove vehicle from lift

注
Lower rack arms fully and remove from under vehicle
Raise LH front window
Close LH front door
Perform test drive

注
Per current FRT (00040100) 0.3 hrs, If alignment was adjusted verify tracking, If DAS components were adjusted verify operation, If brakes were serviced perform burnishing

Model Y Service Manual

液压控制单元 (HCU) - 制动（结构化电池组）（拆卸和更换）

拆卸

安装

Figure 1

Figure 2

Figure 3