Electromechanical Brake Booster - Brake Booster Assembly (Remove and Install)
Correction code 3320033011 FRT 1.68 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.
- 2024-04-17: Added step and link to bleed the entire brake system manually before bleeding the brakes using Toolbox.
- 2024-04-09: Cleaned up topic.
Remove
- Open the LH front door and lower the LH front window.
- Raise and support the vehicle on a 2 post lift. See Raise Vehicle - 2 Post Lift.
- Remove all wheel assemblies. See Wheel Assembly (Remove and Install).
-
Move the LH front seat fully
rearward.
- Place the vehicle into Service Mode. See Service Mode.
- Open the powered frunk.
- Remove the rear underhood apron. See Underhood Trim - Rear Apron Assembly (Remove and Install).
- Remove the frunk assembly. See Frunk Assembly (Remove and Install).
- Open the RH front door and lower the RH front window.
-
Move the RH front seat fully
rearward.
- Remove the LH and RH mid A-pillar trims. See A-B-C Positivet Interior Trim - A-Pillar Mid Trim - LH (Remove and Install).
- Remove the LH and RH lower A-pillar trims. See A-B-C Positivet Interior Trim - A-Pillar Lower Trim - LH (Remove and Install).
- Remove the footwell cover. See Dash Support Frame - Footwell Cover (Remove and Install).
- Remove the LH center floor rail. See Passenger Compartment Carpet - Center Floor Rail - LH (Remove and Install).
- Remove the accelerator pedal side trim. See Passenger Compartment Carpet - Pedal - Side Trim (Remove and Install).
- Remove the accelerator pedal. See Accelerator Pedal (Remove and Install).
-
Fold back the LH front cabin
carpet.
-
Lift up the LH carpet support foam
from the rear edge, and then remove the foam from the vehicle.
- Remove the IP mid panel assembly. See Dash Panel - IP Mid Panel Assembly (Remove and Install).
- Disconnect MV power. See Disconnect MV Power.
- Remove the instrument panel lower assembly. See Dash Panel - Instrument Panel Lower Assembly (Remove and Install).
-
Remove the nuts (x4) that attach the
brake booster to the brake pedal assembly, then remove the cotter pin, then remove the
clevis pin, and then remove the brake pedal from the vehicle.Tip: Use of the following tool(s) is recommended:
- 13 mm socket
- Perform Vehicle HV Disablement procedure. See Vehicle HV Disablement Procedure.
-
Remove the bolts (x2) that attach the
supermanifold to the megabeam.Tip: Use of the following tool(s) is recommended:
- 15 mm deep socket
NoteLoosen the bolts, and then remove them by hand to avoid tool jamming.NoteSupport the supermanifold from underneath.NoteLower the supermanifold until resting on the HVAC case. -
Remove the bolt, and then release the
remote brake fluid reservoir.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket (magnetic)
Notex1 datumNoteLift upwards to release the datum.NotePut the brake fluid reservoir aside.CAUTIONAvoid tipping over the brake fluid reservoir. -
Disconnect the A/C compressor logic
electrical connector.
CAUTIONDo not push down on the red tab. Pull the tab to disengage the lock, and the pull it again to release the electrical connector.
-
Release the connector lock, and then
disconnect the A/C Compressor HV harness electrical connector from the A/C
Compressor.
NotePull the red locking tab away from the black lever, and then slide the black lever upwards.
-
Remove the bolt that attaches the A/C
compressor ground strap, and then release the harness edge clip once the ground strap is
free.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket (magnetic)
-
Remove the bolts (x3) that attach the
A/C compressor to the megabeam.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket
NoteRecommend assistance.NoteSupport the A/C compressor while removing the bolts.NoteCarefully remove the A/C compressor towards the front of the vehicle and under the megabeam.NotePut a fender cover on the fan housing and gently place the A/C compressor assembly down. -
Release the RH frunk harness clips
(x2), and then disconnect the from windshield washer reservoir electrical connectors
(x2).
-
Remove the nut and the bolts (x2) that
attach the windshield washer reservoir to the vehicle, and then disconnect the
electrical connectors (x2), hose connections (x2), and hose clips (x2).Tip: Use of the following tool(s) is recommended:
- 10 mm socket
NotePinch the hose connector to release. -
Disconnect the coaxial electrical
connector, and then release the clips (x2) that attach the RH frunk harness to the
megabeam.
-
Release the clips (x4) that attach the
LH frunk harness to the megabeam, and then remove the stud.Tip: Use of the following tool(s) is recommended:
- External Torx E5
- Remove the MV battery. See MV BATTERY-LITHUM ION-48V (Remove and Install).
-
Remove the bolts (x8) that attach the
megabeam to the vehicle.Tip: Use of the following tool(s) is recommended:
- 21 mm socket
- External Torx Plus EP14
CAUTIONLoosen the bolts by hand first before using power tools. -
Remove the megabeam from the
vehicle.
NoteMake sure the electrical harness is not caught or pinched during the removal of the megabeam.
-
Remove the brake cap, and then extract
the brake fluid from the brake remote reservoir with a fluid extractor.
-
Disconnect the brake booster
electrical connectors (x3).
-
Disconnect the brake booster plumbing
quick release fitting (x1) and flare fittings (x2).Tip: Use of the following tool(s) is recommended:
- 14 mm 6-point crowfoot flare nut
NotePlace absorbent pads as required to catch brake fluid.NoteRelease the remote reservoir hose by pushing the yellow tab inwards. -
Pull the brake booster straight
outwards to release it from the vehicle.
Install
-
Align the studs, and then push the
brake booster flush against the bulkhead.
-
Connect the brake booster plumbing
quick release fitting (x1) and flare fittings (x2).Tip: Use of the following tool(s) is recommended:
- 14 mm 6-point crowfoot flare nut
NotePlace absorbent pads as required to catch brake fluid.NotePerform a push-pull-push test to ensure the hose is secured. -
Connect the brake booster electrical
connectors (x3) and engage the locking tabs.
-
Install the megabeam in the
vehicle.
NoteMake sure the electrical harness is on the inboard side of the cowl mounting tabs, and the harness is not caught or pinched during the installation of the megabeam.
-
Slide the MV battery rearwards into
position, and then install the bolts (x2) that attach the MV battery to the
vehicle.Tip: Use of the following tool(s) is recommended:
- 10 mm socket
-
Install the bolts (x8) that attach the
megabeam to the vehicle.Tip: Use of the following tool(s) is recommended:
- 21 mm socket
- External Torx Plus EP14
-
Install the stud, and then fasten the
clips (x4) that attach the LH frunk harness to the megabeam.Tip: Use of the following tool(s) is recommended:
- External Torx E5
-
Fasten the clips (x2) that attach the
RH frunk harness to the megabeam, and then connect the coaxial electrical
connector.
NoteMake sure to engage the coaxial electrical connector locking tab.
-
Install the nut and the bolts (x2)
that attach the windshield washer reservoir to the body, and then connect the hose
connections (x2), connect the electrical connectors (x2), and the harness clips
(x2).Tip: Use of the following tool(s) is recommended:
- 10 mm socket
-
Secure the RH frunk harness to the
windshield washer reservoir clips (x2) and connect the electrical connectors (x2).
-
Install the bolts (x2) that attach the
supermanifold to the megabeam.Tip: Use of the following tool(s) is recommended:
- 15 mm deep socket
NoteStart to fasten the bolts by hand. -
Install the bolts (x3) that attach the
A/C compressor to the megabeam.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket
NoteRecommend assistance.NoteStart bolts by hand first, and then use power tools.NoteSupport the A/C compressor while installing the bolts. -
Align the datum and slide downwards to
engage, and then install the bolt that attaches the remote brake fluid reservoir.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket (magnetic)
-
Connect the A/C Compressor HV harness
to the A/C Compressor, and then secure the connector lock.
NoteSlide the black lever down, and then push the red lock inwards.CAUTIONMake sure the red locking tab is pushed all the way in. The red locking tab should sit flush with the black lever.
-
Install the A/C compressor ground
strap bolt.Tip: Use of the following tool(s) is recommended:
- 10 mm deep socket (magnetic)
-
Connect the A/C compressor logic
electrical connector.
NoteMake sure to engage the locking tab.
-
Install the nuts (x4) that attach the
brake booster to the brake pedal assembly, then install the clevis pin, and then secure
the cotter pin.Tip: Use of the following tool(s) is recommended:
- 13 mm socket
- Install the instrument panel lower assembly. See Dash Panel - Instrument Panel Lower Assembly (Remove and Install).
- Install the IP mid panel assembly. See Dash Panel - IP Mid Panel Assembly (Remove and Install).
- Connect MV power. See Disconnect MV Power.
- Install the RH lower A-pillar trim. See A-B-C Positivet Interior Trim - A-Pillar Lower Trim - LH (Remove and Install).
- Install the RH mid A-pillar trim. See A-B-C Positivet Interior Trim - A-Pillar Mid Trim - LH (Remove and Install).
-
Install the LH carpet support foam.
Seat at the rear edge.
-
Unfold the LH front cabin carpet into
position.
- Install the accelerator pedal. See Accelerator Pedal (Remove and Install).
- Install the accelerator pedal side trim. See Passenger Compartment Carpet - Pedal - Side Trim (Remove and Install).
- Install the LH center floor rail. See Passenger Compartment Carpet - Center Floor Rail - LH (Remove and Install).
- Install the LH lower A-pillar trim. See A-B-C Positivet Interior Trim - A-Pillar Lower Trim - LH (Remove and Install).
- Install the LH mid A-pillar trim. See A-B-C Positivet Interior Trim - A-Pillar Mid Trim - LH (Remove and Install).
-
Secure the LH side lower A-pillar
primary seal.
- Install the footwell cover. See Dash Support Frame - Footwell Cover (Remove and Install).
- Restore the RH front seat back to its original position.
- Raise the RH front window and close the RH front door.
- Restore the LH front seat back to its original position.
- Bleed the entire brake system manually. See Brake Fluid Bleed - One Caliper.
- Bleed the entire brake system using Toolbox. See Brake Fluid Bleed - One Caliper.
- Exit Service Mode. See Service Mode.
- Install the frunk assembly. See Frunk Assembly (Remove and Install).
- Install the rear underhood apron. See Underhood Trim - Rear Apron Assembly (Remove and Install).
- Close the powered frunk.
- Install all wheel assemblies. See Wheel Assembly (Remove and Install).
- Remove the vehicle from the lift. See Raise Vehicle - 2 Post Lift.
- Raise the LH front window and close the LH front door.