2026-09-29

MS RWD Brakes - Brake Pipes and Hoses - Brake Lines - ABS to Front Wheels and Junction Block (RR)

Correction code 33033502 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 Personal Protection to make sure you are wearing proper PPE when performing the procedure below. NOTE: See Ergonomic Precautions for safe and healthy working practices.

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.

2026-09-01: Released new procedure.

Open LH front door
Lower LH front window
Raise and support vehicle

Note
Set air suspension to "Jack Mode", Position lift arm pads on vehicle jack pads
Connect laptop to vehicle with a tethered Ethernet connection via Toolbox 3

Note
1x connector, 2x clips, Newer models will access connector below MCU with cubby removed, Older models will access port at LH side of IP with end cap removedOpen Toolbox 3 website and establish connection to 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), Local connection will enable service mode plus on display
Run ODIN routine PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-REFRIGERANTvia Toolbox:(link)
Open hood

Note
Via Controls > Front Trunk
Remove rear underhood apron

Note
8x clips
Remove RH underhood apron

Note
9x clips
Remove LH underhood apron

Note
9x clips, (*Use this step for Model S Refresh procedures)
Remove front underhood apron

Note
2x push clips, 7x clips
Remove latch cover assembly

Note
2x clips, 2x connectors
Remove frunk carpet

Note
4x anchors, 4x carpeted trim, Anchors are twisted off from studs
Remove frunk extension

Note
4x double bolts, 10mm, 4 Nm, 5x bolts, 10mm, 4 Nm
Remove frunk

Note
4x bolts, 13mm, 8 Nm, 2x bolts, 10mm, 6 Nm, Lift frunk slightly to remove the hood latch cable then remove frunk
Remove cabin filter cover and release RH side of cowl screen panel

Note
2x tabs, 1x cover, 2x push clips, Lift RH side of cowl panel and secure onto strut
Release front HVAC filter housing

Note
2x bolts, 10mm, 1.5 Nm
Remove front HVAC filter housing

Note
2x tabs
Power off vehicle from center display

Note
Via Controls > Safety > Power Off
Disconnect 12V battery negative terminal

Note
1x nut, 10mm, 5 Nm
Disconnect first responder loop

Note
1x connector, Release red locking tab
Release RH side of cowl screen panel

Note
2x push clips
Raise vehicle fully, lower lift onto locks

Note
Set vehicle to comfortable working height, Ensure an audible click of locks on both sides is heard before lowering, Vehicle may tilt to side if both locks are not engaged
Remove vent covers from HV battery

Note
2x vent covers
Remove clips securing LH shear plate to wheel fairing

Note
2x push clips
Remove LH shear plate

Note
1x nyloc nut, 15mm, 35 Nm, 3x screws, T25, 6 Nm, 1x bolt, 10mm, 4 Nm, Discard nut after removal
Remove clips securing RH shear plate to wheel fairing

Note
2x push clips
Remove RH shear plate

Note
1x nyloc nut, 15mm, 35 Nm, 3x screws, T25, 6 Nm, 1x bolt, 10mm, 4 Nm, Discard nut after removal
Remove LH outer diffuser rail

Note
2x push clips, 2x self tapping bolts, 10mm, 3 Nm, 1x self tapping bolt, 10mm, 4 Nm
Remove LH inner diffuser rail

Note
2x self tapping bolts, 10mm, 3 Nm, 1x bolt, 10mm, 4 Nm
Remove RH inner diffuser rail

Note
2x self tapping bolts, 10mm, 3 Nm, 1x bolt, 10mm, 4 Nm
Remove RH outer diffuser rail

Note
2x push clips, 2x self tapping bolts, 10mm, 3 Nm, 1x self tapping bolt, 10mm, 4 Nm
Remove rear aero shield

Note
9x bolts, 10mm, 4 Nm
Remove front bash plate lower extrusion

Note
2x bolts, T30, 16 Nm
Remove four center bolts securing HV battery

Note
4x patch bolts, E12, 38 Nm, Discard after removal
Position battery table under vehicle

Note
Recommend assistance with table, Align table so centered front to back and side to side, Ensure no battery bolts are blocked by table assembly
Lower vehicle to battery table

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered, Lower until HV battery surface touches table evenly, *Do not lower full weight of vehicle onto table, Recommend assistance, Align table to vehicle and raise casters to level table if necessary
Remove eight outer center bolts securing HV battery

Note
8x patch bolts, E12, 38 Nm, Discard after removal
Remove four front bolts securing HV battery with power tool

Note
4x patch bolts, 13mm, 30 Nm, Discard after removal
Remove 21mm bolts securing front of HV battery

Note
2x bolts, 21mm, 115 Nm, Discard after removal
Remove LH rocker bolts

Note
8x patch bolts, 13mm, 55 Nm, Discard after removal
Remove RH rocker bolts

Note
8x patch bolts, 13mm, 55 Nm, Discard after removal
Raise vehicle fully off of HV battery and lower lift onto locks

Note
Ensure an audible click of locks on both sides is heard before lowering, Vehicle may tilt to the side if both locks are not engaged
Move battery away from vehicle
Remove all items from pockets and ensure not wearing metal items

Note
This includes: rings, watches, bracelets, necklaces, earrings, piercings, phones, badges, metal belt buckles, airpods and headphones
Inspect HV insulating gloves

Note
Check gloves for damage prior to use, Refer to service document TN-15-92-003, for information on inspecting HV gloves. https://service.tesla.com/en-US/documents
Put on HV insulating gloves and leather over gloves

Note
Use HV cut resistant insulated gloves or HV insulating gloves and leather over gloves, Perform a visual inspection of HV insulating gloves for any damage before putting on, Retest for leaks immediately following any incidents that can reasonably be suspected as causing damage to the HV insulating gloves, HV Insulating gloves must be worn any time a Hioki Tester or Hi-Pot Tester is used, Refer to service document TN-15-92-003 for PPE requirements depending on vehicle configurationhttps://service.tesla.com/en-US/documents
Verify no high voltage at HV rapid mate

Note
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 escalate a Toolbox session(use article #29568 as a starting point)
Install HV and LV Rapid Mate covers

Note
2x covers, If covers not available then use masking tape to protect Rapid Mate from debris
Remove leather over gloves and HV insulating gloves

Note
HV gloves should always be stored in the original packaging and inside a storage box or bag to prevent damage, Make sure that gloves are lying flat not bent or folded
Lower vehicle partially and set lift 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
Remove LH front wheel

Note
5x nuts, 21mm, 175 Nm
Remove LH rear wheel

Note
5x nuts, 21mm, 175 Nm
Remove RH front wheel

Note
5x nuts, 21mm, 175 Nm
Remove RH rear wheel

Note
5x nuts, 21mm, 175 Nm
Release rear half of LH front wheelhouse liner to body

Note
1x nut, 10mm, 4 Nm, 5x clips
Remove nut securing bottom DCDC bracket to body

Note
1x nut, 13mm, 22 Nm
Remove nut securing large DCDC ground cable to body

Note
1x nut, 13mm, Torque?
Remove fasteners securing LH side of front junction box

Note
2x bolts, 10mm
Remove nut securing ground strap and nut securing RH side of junction box

Note
1x nut,13mm 1x nut 10mm, Remove harness clip from body
Disconnect RH jounce hose from RH front brake line

Note
1x nut, 12mm, 16 Nm, Catch any fluid lost in waste container
Remove brake line clips from body

Note
x4 clips
Remove brake line from behind front junction box and the DCDC

Note
Lift the DCDC from lower stud to remove brake line
Disconnect LH jounce hose from LH front brake line

Note
1x nut, 12mm, 16 Nm, Catch any fluid lost in waste container
Release LH brake line clips at the LH front wheel well area

Note
2x clip
Remove brake lines from LH front brake line junction block

Note
2x nut, 12mm, 16 Nm
Lower vehicle

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
Release coolant valve from bracket
Release a/c line from lh body

Note
x3 clips
Release clips that secure brake lines to LH frame rail
Clean HCU surface and remove 4-tube bundle brake lines from HCU

Note
4x nuts, 12mm, 16 Nm
Remove 4 tube brake bundle from vehicle

Note
8x clips
Install 4 tube brake bundle onto vehicle

Note
8x clips
Install 4-tube bundle brake lines to HCU

Note
4x nuts, 12mm, 16 Nm, Clean lines with brake cleaner before mating as needed
Install clips that secure brake lines to LH frame rail
Secure a/c line to LH frame rail
Secure coolant valve and bracket
Raise vehicle fully, lower lift onto locks

Note
Set vehicle to comfortable working height, Ensure an audible click of locks on both sides is heard before lowering, Vehicle may tilt to side if both locks are not engaged
Secure LH jounce hose from LH front brake line
Secure clip to body and install brake lines into LH front brake line junction block

Note
2x nuts, 12mm, 16 Nm
Install brake line from behind front junction box and the DCDC

Note
x 3 clips
Secure brake line clip to body and connect RH jounce hose to RH brake line

Note
1x nut, 12mm, 16 Nm, 1x clip
Install nut securing bottom DCDC bracket to body

Note
1x nut, 13mm, 22 Nm
Install nut securing large DCDC ground cable to body

Note
1x nut, 13mm
Install fasteners securing LH side of front junction box

Note
2x bolts, 10mm
Install nut securing ground strap and nut securing RH side of junction box

Note
1x nut,13mm 1x nut 10mm, Secure harness clip from body
Inspect vehicle-side HV rapid mate seal, blade, pins, and plastic insulator

Note
Replace seal if damaged, Clean blades, pins, and plastic insulator with IPA if necessary, If damage found on these components, rapid mate must be replacedAdd note to allow 1 minute dry time
Apply P-80 emulsion to outside of main seal and inside of skirt seal on vehicle-side HV rapid mate

Note
See yellow highlighted areas in image, This will ease installation of seal
Position HV battery underneath vehicle
Remove HV and LV Rapid Mate covers

Note
2x covers
Lower vehicle onto HV battery pack

Note
Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered, Before lowering fully use assistance to align the pack using the alignment rods and guide via the borescope camera or a flexible inspection mirror checking HV and LV rapid mates
Loosely install four front bolts securing HV battery with power tool

Note
4x patch bolts, 13mm, 30 Nm, Install new patch bolts, Do not over tighten bolts, Torque at later step
Loosely install LH rocker bolts

Note
8x patch bolts, 13mm, 55 Nm, Install new patch bolts, Torque at later step
Loosely install RH rocker bolts

Note
8x patch bolts, 13mm, 55 Nm, Install new patch bolts, Torque at later step
Loosely install 21mm bolts at front of HV battery hand tight

Note
2x bolts, 21mm, 115 Nm, Install new bolts, Torque at later step
Loosely install eight outer center bolts hand tight

Note
8x patch bolts, E12, 38 Nm, Install new patch bolts, Torque at later step
Torque bolts securing HV battery to LH and RH rockers

Note
16x patch bolts, 13mm, 55 Nm
Torque remaining HV battery bolts

Note
8x patch bolts, E12, 38 Nm, 2x bolts, 21mm, 115 Nm, 4x patch bolts, 13mm, 30 Nm
Raise vehicle fully and remove battery table from under vehicle

Note
Fully raise vehicle with lift controls and lower onto locks, Ensure an audible click of locks on both sides is heard before lowering, Vehicle may tilt to the side if both locks are not engaged, Recommend assistance to move table
Loosely install four inner center bolts securing HV battery with power tool

Note
4x patch bolts, E12, 38 Nm, Install new patch bolts, Do not over tighten bolts
Install front bash plate lower extrusion

Note
2x patch bolts, T30, 16 Nm
Install rear shield

Note
9x bolts, 10mm, 4 Nm
Install RH outer diffuser rail

Note
2x clips, 2x self tapping bolts, 10mm, 3 Nm, 1x self tapping bolt, 10mm, 4 Nm
Install RH inner diffuser rail

Note
2x self tapping bolts, 10mm, 3 Nm, 1x bolt, 10mm, 4 Nm
Install LH inner diffuser rail

Note
2x self tapping bolts, 10mm, 3 Nm, 1x bolt, 10mm, 4 Nm
Install LH outer diffuser rail

Note
2x clips, 2x self tapping bolts, 10mm, 3 Nm, 1x self tapping bolt, 10mm, 4 Nm
Install clips securing RH shear plate to wheel fairing

Note
2x push clips
Install fasteners securing RH shear plate to vehicle

Note
1x nyloc nut, 15mm, 35 Nm, 3x screws, T25, 6 Nm, 1x bolt, 10mm, 4 Nm, Install new nyloc nut
Install clips securing LH shear plate to wheel fairing

Note
2x push clips
Install fasteners securing LH shear plate to vehicle

Note
1x nyloc nut, 15mm, 35 Nm, 3x screws, T25, 6 Nm, 1x bolt, 10mm, 4 Nm, Install new nyloc nut
Install vent covers

Note
2x vent covers, Wipe with IPA first to clean, allow 1 minute dry time
Lower vehicle partially and set lift 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
Connect first responder loop

Note
1x connector, Engage red locking tab
Connect 12V battery negative terminal

Note
1x nut, 10mm, 5 Nm
Run ODIN routine PROC_THC_X_COOLANT-AIR-PURGEvia Service Mode:Thermal ➜ Actions ➜ Coolant Air Purgevia Toolbox:(link)
Inspect coolant level and top off as necessary

Note
Ensure that fluid level is at Max line
Install coolant reservoir cap
Clean area around brake fluid reservoir and remove brake reservoir cap
Check brake fluid level and top off reservoir if necessary

Note
If level is above Max line, remove extra fluid
Fill brake bleeder reservoir to full level
Install pressure bleeder adapter onto reservoir

Note
Attach the brake reservoir hose to the brake adapter at this time
Set pressure to 30psi

Note
Connect power supply to bleeder and turn on the power to set pressure to 30 psi
Connect to vehicle using Toolbox

Note
Navigate to https://toolbox.teslamotors.com and establish connection to vehicle, Select connection status icon at top right corner then select connect locally, Icon will turn green when connected, Successful connection will automatically unlock vehicle gateway and place UI in Service Mode Plus, Media converter box powered by laptop USB or 12v power outlet, Ethernet connection will provide communication, If RJ45 ethernet connector present at service panel media converter box not required, Vehicles built 4/5/2024 onwards have OBDII connection integrated into drivers lower IP cover, Use OBDII connection if this applies, Some vehicles may have both RJ45 and OBDII, If vehicle has both RJ45 and OBD-II then connect via RJ45, For local connection issues with Toolbox refer to https://toolbox.teslamotors.com/articles/43695
Select "Actions" tab and search for ‘"bleed"
Remove bleeding valve covers and install the fluid catching bottle to LH front outer brake caliper bleeding valve before starting the ESP

Note
2x covers
Open LH front outer 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 and then close the bleeding valve once the pump stops running

Note
1x bleeding valve, 11mm, 18 Nm
Open LH front inner 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 and then close the bleeding valve once the pump stops running

Note
1x bleeding valves, 11mm, 18 Nm
Repeat above steps until clear fluid and no air bubbles come out of the LH front brake caliper bleeding valve

Note
1x bleeding valve, 11mm, 18 Nm, Finish bleeding on the outer valve
Remove fluid catching bottle, Torque LH front brake caliper bleeding valves and install covers

Note
2x bleeding valves, 11mm, 18 Nm, 2x covers
Remove bleeding valve covers and install the fluid catching bottle to RH front outer brake caliper bleeding valve before starting the ESP

Note
2x covers
Open RH front outer 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 and then close the bleeding valve once the pump stops running

Note
1x bleeding valve, 11mm, 18 Nm
Open RH front inner 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 and then close the bleeding valve once the pump stops running

Note
1x bleeding valves, 11mm, 18 Nm
Repeat above steps until clear fluid and no air bubbles come out of the RH front brake caliper bleeding valve

Note
1x bleeding valve, 11mm, 18 Nm, Finish bleeding on the outer valve
Remove fluid catching bottle, Torque RH front brake caliper bleeding valves and install covers

Note
2x bleeding valves, 11mm, 18 Nm, 2x covers
Remove RH rear caliper inner bleed valve cover then install fluid catcher

Note
1x cover
Run ODIN routine PROC_ESP_FRONT-L-REAR-R_BRAKE-BLEEDvia Service Mode:Chassis ➜ Brakes ➜ Brake Bleed FL-RRvia Toolbox:(link)
Repeat bleed process until RH rear caliper fluid is free of air bubbles

Note
1x bleeding valve, 10mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Remove fluid catcher and torque RH rear caliper bleed valve

Note
1x bleeding valve, 10mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Remove LH rear caliper inner bleed valve cover then install fluid catcher

Note
1x cover
Run ODIN routine
PROC_ESP_FRONT-R-REAR-L-BRAKE-BLEEDvia Service Mode:Chassis ➜ Brakes ➜ Brake Bleed FR-RL
via 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)
Repeat bleed process until LH rear caliper fluid is free of air bubbles

Note
1x bleeding valve, 10mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper, Open brake caliper bleeding valve then In Toolbox 3 type "Bleed": and run PROC_ESP_FRONT-R-REAR-L_BRAKE-BLEED and select "Run" to start the ESP and then close the bleeding valve once the pump stops running
Remove fluid catcher and torque LH rear caliper bleed valve

Note
1x bleeding valve, 10mm, 10 Nm (+/- 3 Nm) Base caliper, 14 Nm (+/- 2 Nm) Plus caliper
Turn off and remove pressure brake bleeder kit from vehicle
Install brake reservoir cap
Pump brake pedal a few times to ensure pedal feels normal
Perform Stiffness Test through Toolbox 3

Note
Select ‘Actions’ tab and search for 'IBST Stiffness Test - Service - BURNISHED/UNBURNISHED', Select 'TEST_BRAKE_X_STIFFNESS-TEST-SERVICE', select 'BURNISHED', If brake pads have been replaced select 'UNBURNISHED', click 'RUN', Do not press break pedal while routine is performed, Select ‘X’ at top right of window to close once complete
Disconnect Toolbox from vehicle and remove laptop and Diagnostics Adapter Ethernet Harness

Note
If RJ45 ethernet diagnostic connector present media converter box not required disconnect directly from laptop using an RJ45 Ethernet cable or OBDII connection
Install clips securing LH front wheel arch liner to vehicle

Note
7x clips
Install LH front wheel

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

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

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

Note
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
Lower vehicle until tires are touching ground

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

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

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

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

Note
5x nuts, 21mm, 175 Nm
Secure RH side of cowl screen panel aside
Position front HVAC filter housing

Note
2x tabs
Install front HVAC filter housing

Note
2x bolts, 10mm, 1.5 Nm
Secure RH side of cowl screen panel and cabin filter cover

Note
2x tabs, 2x push clips, Release cowl from strut
Install frunk

Note
4x bolts, 13 mm, 8 Nm, 2x bolts, 10 mm, 6 Nm, before seating frunk attach hood latch cable.
Install frunk extension

Note
4x double bolts, 10 mm, 4 Nm, 5x bolts, 10 mm, 4 Nm
Install frunk carpet

Note
4x anchors, 4x carpeted trim, Install side covers first, Hand tighten anchors to studs, Tuck carpet under frunk seal
Install latch cover assembly

Note
2x clips, 2x connectors
Install front underhood apron

Note
7x clips
Install RH underhood apron

Note
9x clips
Install LH underhood apron

Note
9 x clips
Install rear underhood apron

Note
8x clips
Close hood

Note
Press firmly in green highlighted areas (see image), Damage may result from pressure elsewhere on hood
Remove vehicle from lift

Note
Lower rack arms fully then remove them from under vehicle, Remove air suspension from "Jack Mode" via Controls > Service > '' JACK MODE''