2026-05-07

Hose - Inlet - Front Drive Unit (1st Generation) (Remove & Replace)

Correction code 18301400102 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and FRT listed above 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.

2026-05-01: Released new procedure.

Note

This procedure is for vehicles built on April 24, 2019 or earlier.

Open LH front door
Lower LH front window
Open hood

Note
Via center display > Controls > Front Trunk
Run ODIN routine
Remove LH front lug nut covers

Note
5x lug nut covers
Loosen LH front lug nuts

Note
5x nuts, 21mm, 175 Nm
Remove underhood aprons

Note
4x aprons, LH and RH aprons have 1x clip each
Remove frunk carpet

Note
2x connectors
Remove frunk assembly

Note
10x bolts, 10mm, 4 Nm, 10x bolts, 10mm, 7 Nm
Remove HEPA filter housing

Note
Lift up from bottom and pull out, *Note: There may or may not be a filter in housing based on vehicle configuration
Disconnect 12V negative terminal and First Responder Loop

Note
1x nut, 10mm, 5 Nm, 1x connector, Wait at least 2 minutes before disconnecting modules or HV components
Remove LH outer hood hinge cover

Note
2x clips
Remove RH outer hood hinge cover

Note
2x clips
Disconnect cowl drain hose from cowl trim

Note
1x clamp
Remove RH wiper arm

Note
2x nuts, 17mm, 35 Nm, Disconnect washer hose at cowl
Remove LH wiper arm

Note
1x nut, 17mm, 35 Nm, Disconnect washer hose at cowl
Release cowl screen washer supply hose

Note
1x one way valve
Remove cowl screen from windshield

Note
5x push clips, 1x FRL anchor from cowl screen
Remove HEPA filter outlet duct

Note
1x clip, Remove clip and pull duct towards front of vehicle to remove, May need to lift on cowl panel to remove duct
Release frunk fuse box

Note
4x tabs, move upwards from bracket and move forward
Release frunk fuse box bracket

Note
3x bolts, 10mm, 7 Nm
Remove wiper motor assembly

Note
3x bolts, 10mm, 9 Nm, 1x connector
Release 12V harness from wiper bracket

Note
1x clip
Remove wiper bracket

Note
2x nuts, 13mm, 20 Nm, 2x bolts, 13mm, 20 Nm
Release air suspension reservoir from body

Note
4x bolts, 10mm, 6 Nm
Release air lines then move air tank
Raise vehicle partially and lower 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
Remove LH front wheel

Note
5x nuts, 21mm, 175 Nm
Remove rear portion of LH front wheelhouse liner

Note
1x bolt, 10mm, 6 Nm, 5x clips, Reference pictures for clarification
Clamp coolant hose from battery pump 2 to chiller

Note
Reference pictures for clarification, Move breather hose away for clearance
Disconnect LH ride height sensor

Note
1x connector
Disconnect LH powertrain coolant pump

Note
1x connector
Remove powertrain pump 2 bracket from off vehicle

Note
1x bolt, T30, 10 Nm
Disconnect FDU inlet powertrain hoses from powertrain pump 2

Note
1x hose clamp, Push hose through wheel arch into frunk compartment
Raise vehicle fully and 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 the side if both locks are not engaged
Remove LH shear plate

Note
2x push clips, 3x screws, T25, 6 Nm, 1x bolt, 10mm, 4 Nm, 1x nylon nut, 15mm, 35 Nm Discard nylon nut after removal
Remove RH shear plate

Note
3x screws, T25, 6 Nm, 1x bolt, 10mm, 4 Nm, 2x push clips, 1x nylon nut, 15mm, 35 Nm Discard nylon nut after removal
Remove rear aero shield

Note
20x bolts, 10mm, 4 Nm, 2x push clips
Remove front bash plate extrusion

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

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

Note
Recommend assistance, Align table to vehicle and raise casters to level table if necessary
Remove and discard remaining eight center bolts securing HV battery

Note
8x bolts, E12, 38 Nm, Discard after removal
Remove front four HV battery bolts

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 ski side covers on LH side

Note
14x clips, 3x covers
Remove ski side covers on RH side

Note
14x clips, 3x covers
Remove LH ski 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 and remove battery table

Note
Recommend assistance
Move battery away from vehicle
Remove all items from pockets and ensure not wearing metal items
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.teslamotors.com/documents?model=&keys=TN-15-92-003&vehicle_system=&sort_by=field_date_submitted&sort_order=DESC
Put on HV insulating gloves and leather over gloves

Note
Use HV cut resistant insulated gloves or HV insulating gloves and leather over 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 R5 for PPE requirements depending on vehicle configuration.
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 reach out to Service Engineering
Remove leather over gloves and HV insulating gloves
Install HV and LV Rapid Mate covers

Note
2x covers, If covers not available then use masking tape to protect Rapid Mate from debris
Loosen the acoustic cover on FDU

Note
This will give you some access to the lower coolant hose
Place coolant catcher under the vehicle
Release clamp from FDU inlet hose

Note
1x clamp, Take care to not damage the acoustic cover
Remove hose from FDU inverter inlet

Note
Take care to not damage the acoustic cover
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
Remove the fastener from the hose fitting on FDU

Note
x1 Bolt, 10 mm, 9mn, Area between fastener and cover has low clearance, Take care not to damage acoustic cover
Remove hose from FDU

Note
Hose may need to be wiggled to release
Remove coolant fitting from old hose

Note
1x Clamp, Record position fitting on hose, Inspect O-ring is not damaged
Install coolant fitting on the new hose

Note
1x Clamp, Verify fitting is in correct position
Install hose fitting onto FDU

Note
Take care not to damage O-ring
Install fastener onto FDU

Note
1x bolt, 10mm, 9Nm
Raise vehicle partially and lower 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
Install hose onto FDU inverter inlet
Install clamp onto FDU inlet hose

Note
1x clamp
Install the acoustic cover on FDU

Note
Take care not to damage acoustic cover
Connect FDU inlet powertrain hoses onto powertrain pump 2

Note
1x hose clamp, Maneuver hose from frunk compartment into the LH wheel arch liner area
Install powertrain pump 2 bracket onto vehicle

Note
1x bolt, T30, 10 Nm
Connect LH powertrain coolant pump

Note
1x connector
Connect LH ride height sensor

Note
1x connector
Remove clamp from cabin LH side front hose

Note
Pump is located by LH front wheelhouse liner, Reference picture for clarification
Install rear portion of LH front wheel arch liner into original position

Note
1x bolt, 10mm, 6 Nm, 5x clips, Reference pictures for clarification
Install LH front wheel

Note
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool
Raise vehicle fully and 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 the side if both locks are not engaged
Remove HV and LV Rapid Mate covers

Note
2x covers
Lower vehicle onto HV battery pack

Note
Before lowering fully use assistance to align the pack using the alignment rods and guide via the boroscope camera or a flexible inspection mirror checking HV and LV rapid mates
Loosely install 4 new front bolts for HV battery

Note
4x patch bolts, 13mm, 30 Nm, Install new patch bolts
Install outer front bolts securing HV battery to body

Note
2x bolts, 21mm, 115 Nm, Install new bolts, Do not over tighten bolts, Torque at later step
Install outer center bolts securing HV battery to body

Note
8x patch bolts, E12, 38 Nm, Install new patch bolts, Do not over tighten bolts, Torque at later step
Install LH ski bolts

Note
8x patch bolts, 13mm, 55 Nm, Install new patch bolts, Do not over tighten bolts, Torque at later step
Install RH ski bolts

Note
8x patch bolts, 13mm, 55 Nm, Install new patch bolts, Do not over tighten bolts, Torque at later step
Torque ski HV battery bolts on both sides

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

Note
8x bolts, E12, 38 Nm, 2x bolts, 21mm, 115 Nm, 4x bolts, 13mm, 30 Nm
Raise vehicle partially 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
Move empty battery table away from vehicle
Install inner center HV battery bolts

Note
4x patch bolts, E12, 38 Nm, Install new patch bolts, Do not over tighten bolts
Torque inner center HV battery bolts

Note
4x patch bolts, E12, 38 Nm
Install LH ski side covers

Note
14x clips, 3x covers
Install RH ski side covers

Note
14x clips, 3x covers
Install front bash plate extrusion

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

Note
20x bolts, 10mm, 4 Nm, 2x push clips. Start bolts with cordless, torque with 1/4 torque wrench
Install LH shear plate

Note
3x screws, T25, 6 Nm, 1x bolt, 10mm, 4 Nm, 2x push clips, Install new nyloc nut, 15mm, 35 Nm
Install RH shear plate

Note
3x screws, T25, 6 Nm, 1x bolt, 10mm, 4 Nm, 2x push clips, Install new nyloc nut, 15mm, 35 Nm
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
Install LH front lug nut covers

Note
5x covers
Lower vehicle fully
Install air tank reservoir.
Install air suspension reservoir to body

Note
4x bolts, 10mm, 6 Nm
Install wiper bracket

Note
2x nuts, 13mm, 20 Nm, 2x bolts, 13mm, 20 Nm
Install 12V harness onto wiper bracket

Note
1x clip
Install wiper module assembly

Note
3x bolts, 10mm, 9 Nm, 1x connector, Metal dowel slides into rubber boot
Install fuse box bracket to body

Note
3x bolts, 10mm, 7 Nm
Install frunk fuse box onto bracket

Note
4x locking clips
Install HEPA filter outlet duct

Note
1x clip, May need to lift on cowl panel to install duct
Install cowl screen to windshield

Note
5x clips, 1x FRL anchor on cowl screen
Connect cowl screen washer supply hose

Note
1x one way valve
Connect cowl drain hose onto cowl trim

Note
1x clamp
Install RH wiper arm

Note
2x nuts, 17mm, 35 Nm, Align tip of wiper blade to mark on windshield, connect washer hose at cowl
Install LH wiper arm

Note
1x nut, 17mm, 35 Nm, Align tip of wiper blade to mark on windshield, connect washer hose at cowl
Install LH outer hood hinge cover

Note
2x clips
Install RH outer hood hinge cover

Note
2x clips
Connect first responder loop and then 12V negative terminal

Note
1x connector, 1x nut, 10mm, 5 Nm
Run ODIN routine PROC_ICE_X_ENTER-SERVICE-MODEvia Toolbox:(link)
Run ODIN routine PROC_THC_X_COOLANT-AIR-PURGEvia Service Mode:Thermal ➜ Actions ➜ Coolant Air Purgevia Toolbox:(link)
Disconnect Toolbox from vehicle and install cubby

Note
1x connector, 2x clips, Ensure diagnostic cables are tucked into appropriate position then engage cubby
Install HEPA filter housing

Note
Align opening on back of housing to HEPA filter outlet duct opening, *Note: There may or may not be a filter in housing based on vehicle configuration
Install frunk assembly

Note
10x bolts, 10mm, 4 Nm, 10x bolts, 10mm, 7 Nm, Hand start all bolts first then tighten with tools
Install frunk carpet

Note
2x connectors
Install under hood aprons

Note
4x aprons
Close hood
Calibrate falcon doors via UI

Note
Via Controls > Calibrate, Required after 12V and FRL disconnect
Raise LH front window
Close LH front door

Model X Service Manual

Hose - Inlet - Front Drive Unit (1st Generation) (Remove & Replace)

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