2025-08-21

Harness - HVAC Assembly (Remove and Replace)

Correction code 17104102 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 ServiceManualFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure. 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. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.

2025-08-21: Released new procedure.

This procedure requires refrigerant evacuation and recharge, please add specific evacuation and recharge correction code as needed

Note
18200102,18033302,18033305,18200122**Always use this Step ID**
Set up AC machine

Note
Touch time only, Connect to power, Turn power switch on
Open LH front door
Lower LH front window
Run ODIN routine PROC_ICE_X_ENTER-SERVICE-MODEvia Toolbox: (link)
Run ODIN routine PROC_ICE_X_ENTER-SERVICE-MODEvia Toolbox: (link)
Access Thermal System routines using UI

Note
Select Service mode > Thermal
Run ODIN routine PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-REFRIGERANTvia Toolbox: (link)
Raise and support vehicle
Open hood

Note
Press "Open" button on touchscreen to release latch, Lift lid manually
Remove rear apron

Note
12x clips, Only store rear apron visible face upwards
Remove cabin intake upper duct assembly

Note
3x clips, Some configurations may come with 4x clips
Remove closeout panel from frunk assembly

Note
4x clips, 1x connector, Frunk safety switch, 3x guide tabs, Grab closeout panel from bottom then pull it upward to release clips, Disconnect switch
Remove bolts securing frunk assembly

Note
7x bolts, 10mm, 5 Nm
Remove frunk assembly from vehicle

Note
12x clips, Replace any clips if broken or missing, Number of clips may vary on older vehicles
Remove RH wiper arm nut cover

Note
1x cover
Disconnect washer hose from RH wiper arm

Note
2x clips, 1x hose, Disconnect Y-tube fitting and release washer hose clips
Remove nut securing RH wiper arm to wiper module

Note
1x nut, 15mm, 25 Nm
Remove RH wiper arm and hose assembly from vehicle
Remove LH wiper arm nut cover

Note
1x cover
Disconnect washer hose from LH wiper arm

Note
2x clips, 1x hose, Disconnect Y-tube fitting and release washer hose clips
Remove nut securing LH wiper arm to wiper module

Note
1x nut, 15mm, 25 Nm
Remove LH wiper arm and hose assembly from vehicle
Flip LH shock tower cover

Note
1x push clip, Remove the clip and flip the cover following the arrow.
Flip RH shock tower cover

Note
1x push clip , Remove the clip and flip the cover following the arrow.
Release cowl screen from windshield and remove from vehicle

Note
2x push clips, 6x clips
Remove fresh air intake assembly

Note
2x studs, Lift cowl as needed
Remove bolts securing wiper module

Note
3x bolts, 10mm, 7 Nm
Disconnect wiper module harness

Note
1x connector, Do NOT place limbs within the linkage movement area as wiper arms will automatically transition to parking mode
Remove wiper module from vehicle
Release harness clip from LH side of washer tank inlet

Note
1x clip
Remove LH front wheel center cap

Note
1x cap
Loosen LH front wheel

Note
5x nuts, 21mm, 175 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
Remove LH front wheel

Note
5x nuts, 21mm, 175 Nm
Partially remove LH front wheel liner

Note
6x clips, 1x bolt, 10mm, 5 Nm, Newer vehicles may be equipped with 2x push clips securing lower portion of liner to body
Remove lower bolt securing washer tank to vehicle

Note
1x bolt, 10mm, 3 Nm
Partially install LH front wheel liner

Note
2x clips, Partially install LH front wheel liner, Wheel liner will be removed again later, Install 2 clips to secure LH front wheel liner
Install LH front wheel

Note
5x nuts, 21mm, 175 Nm, Start lug nuts by hand before using power tool, Torque at later step
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 upper bolt securing washer tank to vehicle

Note
1x bolt, 10mm, 3 Nm
Disconnect washer pump and level sensor connectors

Note
2x connectors
Remove washer tank from vehicle

Note
2x connectors，Keep washer tank upright to keep contents from spilling
Remove vehicle from lift

Note
Recommend assistance to push the vehicle backward, Note this vehicle can only be safely pushed for a very short distance and at very slow speed
Run ODIN routine PROC_EPB_X_SERVICE-MODE-STARTvia Toolbox: (link)
Push vehicle away from lift

Note
Recommend assistance, Place wheel chocks to keep vehicle from moving, Note this vehicle can only be safely pushed for a very short distance and at very slow speed
Open all four doors

Note
If vehicle is being powered down, Latch rear doors to prevent accidental closure
Lower all four windows
Remove caps from low side and high side A/C ports

Note
2x caps
Connect AC hoses to vehicle
Perform refrigerant system recovery

Note
Note or print the amount of refrigerant and oil recovered, If drained oil level increased more than 1.01 oz (30 mL) refer to drained oil loss chart https://toolbox.teslamotors.com/articles/353700
Move LH front seat forward
Remove console lower rear panel

Note
5x clips, Insert the plastic trim tool with a 90 degree bend at the bottom of the cover and pull straight out to release
Remove rear bolts securing center console to vehicle

Note
2x bolts, 10mm, 7 Nm
Move LH front seat backward
Remove LH front floor mat
Remove LH console side panel carpet

Note
10x clips, 1x tab, Use trim tool starting at rear edge to release upper clips, then pull bottom to release remaining clips, replace any damaged clips
Remove LH front exterior bolts from center console

Note
2x bolts, 10mm, 7 Nm
Move RH front seat forward
Remove RH rear exterior bolt from center console

Note
Delete step
Move RH front seat backward and seat back downward
Remove RH front floor mat
Remove RH console side panel carpet

Note
12x clips, Use trim tool starting at rear edge to release upper clips, Pull bottom to release remaining clips, replace any damaged clips
Remove RH front exterior bolts from center console

Note
2x bolts, 10mm, 7 Nm
Power off vehicle from center display

Note
Via Controls > Safety > Power Off, Select Power Off button at warning dialogue box
Disconnect 12V negative terminal

Note
1x nut, 10mm, 6 Nm, Ensure vehicle is in park, Climate control system is off, and vehicle is not charging before disconnecting 12V
Disconnect first responder loop

Note
1x connector, Release locking tab
Remove AC hoses from vehicle
Release vacuum from AC lines

Note
2x Schrader valves, Carefully depress the schrader valves to release vacuum from AC lines
Disconnect harness from rear of center console

Note
1x connector
Disconnect USB harness at RH of center console

Note
1x connector
Remove center console from vehicle

Note
Recommend assistance, Tilt rear of console upward, pull assembly towards rear of vehicle, then tilt front of console upward and remove through passenger side
Remove LH IP end cap

Note
3x clips
Remove LH mid A-pillar assembly

Note
1x clip, 1x tab, Release the upper clip then pull mid A-pillar upward to remove
Remove LH air wave bezel cap from main decor assembly

Note
2x clips, Newer vehicles are equipped with solid bezel.
Remove LH upper A-pillar trim

Note
3x clips, Pull inside of the upper portion of upper A-pillar, Remove 3x tether hooks by twisting and pulling away from housing, Then pull upper A-pillar upward to remove
Remove clip for LH lower A-pillar trim

Note
1x push clip
Remove LH lower A-pillar trim

Note
2x clips, 3 guide tabs, Pull rear of lower A-pillar upward to release clip then pull outward to release front tabs from carpet
Release LH footwell cover

Note
2x push clips, 1x screw, T20, 2.5 Nm
Remove LH footwell cover

Note
3x tabs, 1x Ethernet connector, 1x puddle light connector, APAC specific vehicles have an additional OBDII connector that will have to be disconnected
Release driver knee air bag from vehicle

Note
1x push clip, 2x screws, T20, 2 Nm, 4x patch bolts, T30, 8 Nm, Newer vehicles have 4x patch bolts, E10, Discard after removal, Support the knee air bag while lowering, The connector / harness length is very short
Remove driver knee air bag from vehicle

Note
1x connector, Release locking tabs, Then release squib from air bag, Support air bag while disconnecting, Connector release may vary
Remove LH footwell duct from HVAC module

Note
1x push clip
Remove RH IP end cap

Note
3x clips
Remove RH mid A-pillar assembly

Note
1x clip, 1x tab, Release upper clip then pull mid A-pillar upward to remove from vehicle
Remove RH air wave bezel cap from main decor assembly

Note
2x clips, Newer vehicles are equipped with solid bezel.
Remove RH upper A-pillar trim

Note
3x clips, Pull inside of the upper portion of upper A-pillar, Remove 3x tether hooks by twisting and pulling away from housing, Then pull upper A-pillar upward to remove
Remove clip from RH lower A-pillar trim

Note
1x push clip
Remove RH lower A-pillar trim

Note
1x clip, 2 guide tabs, Pull rear of lower A-pillar upward to release clip then pull backward to release front tabs from carpet
Release RH footwell assembly from IP

Note
4x push clips
Remove RH footwell assembly

Note
2x connectors
Remove bolts securing passenger knee air bag onto vehicle

Note
4x patch bolts, T30, 8 Nm, Discard after removal, 2x screws, T20, 2 Nm, 1x push clip, Newer vehicles have 4x E10 patch bolts
Remove passenger knee air bag from vehicle

Note
1x connector, Release locking tab, Connector release may vary
Remove main decor assembly

Note
15x clips, Entire decor does not need to come off for glove box removal, If you lift RH side of decor then you will have access to 3x torx screws securing top of glove box, Replace securing clips as needed
Disconnect glove box USB cable from car computer

Note
1x connector, Depress latch on top of USB cable to release internal latches, Then release from car computer
Remove screws securing glove box assembly to IP carrier

Note
6x screws, T20, 2.3 Nm
Remove glove box from IP carrier

Note
3x clips
Disconnect glove box assembly connectors

Note
3x electrical connectors
Remove passenger footwell air duct

Note
1x push clip
Disconnect RH upper duct thermistor from RH IP air wave duct

Note
1x connector
Remove RH IP air wave duct

Note
2x push clips
Release driver air bag assembly away from steering wheel

Note
2x spring clips, 3x datums, Press the spring simultaneously from two access holes to release, Access holes located at 4 and 8 o’clock position, Do not insert tool too far as air bag connector could be damaged
Remove driver air bag assembly

Note
1x connector
Disconnect steering wheel

Note
1x connector
Release steering wheel from steering column

Note
1x patch bolt, 10mm hex, 80 Nm, Discard after removal, Counter hold the steering wheel when breaking bolt loose
Remove steering wheel from steering column

Note
Mark position of steering wheel
Release steering column upper shroud from lower shroud

Note
4x clips, Pull upward to release steering column upper shroud from lower shroud
Release lower shroud from steering column

Note
3x screws, T20, 1.5 Nm
Remove lower screw securing lower shroud to steering column

Note
1x screw, T20, 1.5 Nm
Remove lower shroud from steering column
Remove SCCM from steering column

Note
1x bolt, 5mm allen, 9 Nm
Disconnect SCCM assembly connector

Note
1x connector, Remove retaining clip on the connector, release connector, then remove the remaining broken clip from connector, Discard retaining clip after removal, Originally installed clip is black, Replacement clip is orange
Remove SCCM from steering column

Note
1x bolt, 5mm allen, 9 Nm
Release IP service panel from IP and disconnect temperature sensor connector

Note
4x clips, 4x tabs, 1x connector
Remove bolts securing center display to IP carrier

Note
Vehicle may be equipped with either: 2x patch bolts, T30, 12 Nm or 2x patch bolts, 10mm, 16 Nm, Discard after removal, Slide towards rear of vehicle to remove
Remove bolts securing housing neck to center display and slide away from display

Note
2x bolts, T30, 3 Nm, Number of fasteners on older vehicles may vary
Remove retaining clip from display connector

Note
1x clip
Disconnect harness connector from center display

Note
1x connector
Remove center display from vehicle
Remove center display neck housing from vehicle
Remove screws securing LH side of IP brow finisher

Note
4x screws, T20, 2.3 Nm, Fastener count may vary, Older production vehicles may have 5x screws
Remove screws securing RH side of IP brow finisher

Note
4x screws, T20, 2.3 Nm, Fastener count may vary, Older production vehicles may have 5x screws
Remove IP brow finisher from vehicle

Note
16x clips, Need to lift top pad up slightly to insert trim tool and release clips, Then slide IP brow finisher towards rear of vehicle
Pull RH side of RH air duct out and release from IP

Note
1x screw, T20, 2.3 Nm
Disconnect harness connector from RH air duct and remove duct

Note
1x connector
Pull LH side of LH air duct out and release from IP

Note
1x screw, T20, 2.3 Nm
Disconnect harness connector from LH air duct and remove duct

Note
1x connector
Release clips securing defroster grill

Note
8x clips, Replace any damaged clips
Pivot rear edge of defroster grill up and release tabs from IP

Note
6x tabs
Remove screws securing LH speaker to IP and remove speaker

Note
3x screws, T20, 2.3 Nm, 1x connector
Remove screws securing center speaker to IP and remove speaker

Note
1x connector, 3x screws, T20, 2.3 Nm
Remove screws securing center tweeter to IP and remove speaker

Note
1x connector, 2x screws, T20, 2.3 Nm, Discard tweeter and screws after removal
Remove screws securing RH speaker to IP and remove speaker

Note
3x screws, T20, 2.3 Nm, 1x connector
Disconnect connectors for passenger air bag assembly

Note
3x connectors, 2x connectors for regions other than North America, Connector release may vary
Remove bolts securing passenger air bag assembly to cross car beam

Note
4x patch bolts, T30, 8 Nm, Newer vehicles have 4x E10 patch bolts, Discard after removal
Remove screws securing IP carrier to cross car beam near passenger air bag

Note
2x screws, T20, 2.3 Nm
Remove screws securing IP carrier to cross car beam on lower LH side

Note
2x screws, T20, 2.3 Nm
Remove screw securing IP carrier to cross car beam on upper LH side

Note
1x screw, T20, 2.3 Nm
Remove screws securing IP carrier to cross car beam at lower center

Note
2x screws, T20, 2.3 Nm
Remove screws securing IP carrier to cross car beam at upper center

Note
2x screws, T20, 2.3 Nm
Remove screw securing IP carrier to cross car beam on upper RH side

Note
1x screw, T20, 2.3 Nm
Remove IP carrier from cross car beam

Note
Recommend assistance. Be cautious to clear the harness clipped at top center of HVAC assembly, This will also ease removal, Remove IP carrier through passenger front door
Remove screws securing driver air wave duct to cross car beam

Note
2x scews, T20, 2.3 Nm
Disconnect LH upper duct thermistor from drivers air wave duct

Note
1x connector
Remove driver air wave duct from HVAC assembly
Remove headliner harness clips on LH lower a-pillar

Note
2x clips
Disconnect headliner harness connector from LH lower a-pillar

Note
1x connector
Disconnect the dash connector from the left body controller

Note
1x connector, Release locking tab and gently pull down to release connector
Disconnect HVAC connector from left body controller

Note
1x connector
Disconnect IP harness connector from electronic steering column

Note
1x connector
Release IP harness clip located on blower motor assembly

Note
1x harness clip
Disconnect blower motor connector

Note
1x connector
Release clip securing center speaker harness to HVAC assembly

Note
1x clip
Disconnect connector from restraint control module

Note
1x connector, Disengage locking tab to release lever
Remove IP harness clips from body

Note
4x clips
Release IP harness clip next to RH duct thermistor

Note
1x harness clip
Release IP harness clip next to RH upper mode actuator

Note
1x harness clip
Release HVAC harness from IP harness holding mount on RH side of IP harness.

Note
3x harness holding mounts
Disconnect IP harness connectors from car computer

Note
2x connectors, Non EU vehicles have 3x connectors
Disconnect dash harness connector from right body controller

Note
1x connector
Release clip from RH side of cross car beam

Note
1x harness clip
Disconnect IP harness connectors from RH controller area

Note
3x connectors
Remove LH center display bracket

Note
2x bolts, T30, 12 Nm
Remove RH center display bracket

Note
2x bolts, T30, 12 Nm
Remove bleeder duct adapter from HVAC assembly

Note
4x clips
Remove nuts securing steering column to cross car beam and carefully lower steering column

Note
4x nuts, 13mm, 15 Nm
Remove bolts securing cross car beam to LH side of bulkhead

Note
2x bolts, 13mm, 25 Nm
Remove bolt securing LH cross car beam bracket to cross beam

Note
1x bolt, 13mm, 25 Nm
Remove nut securing LH cross car beam bracket to body

Note
1x nut, 13mm, 25 Nm
Remove LH cross car beam bracket from vehicle
Remove clips securing LH front main carpet to vehicle

Note
3x clips, Number of clips on new vehicles may vary
Remove bolt securing RH cross car beam bracket to cross beam

Note
1x bolt, 13mm, 25 Nm
Remove nut securing RH cross car beam bracket to body

Note
1x nut, 13mm, 25 Nm
Remove RH cross car beam bracket from vehicle
Remove clip securing RH front main carpet to cross car beam

Note
1 clip
Remove bolts securing cross car beam to HVAC assembly

Note
4x bolts, 10mm, 5.5 Nm
Remove bolt securing cross car beam to HVAC assembly

Note
1x bolt, 10mm, 5.5 Nm
Loosen bolt securing cross car beam to upper cowl

Note
1x bolt, 13mm, 25 Nm
Remove bolts securing LH cross car beam to body

Note
2x bolts, 15mm, 29 Nm
Remove the bolts securing the RH cross car beam to body

Note
2x bolts, 15mm, 29 Nm
Remove cross car beam from vehicle

Note
Recommend assistance, Use caution not to damage the interior
Lift LH front main carpet towards LH front seat
Disconnect HVAC harness connector from right body controller

Note
1x connector
Remove AC manifold to HVAC line from HVAC assembly

Note
2x bolts, 13mm, 22 Nm
Remove bolt securing HVAC assembly to RH side of bulkhead

Note
1x bolt, 10mm, 5.5 Nm, Recommend assistance to support HVAC assembly during removal
Remove main floor duct from HVAC assembly and set aside

Note
Use a bungee cord as needed to secure floor duct
Remove HVAC assembly from vehicle

Note
Recommend assistance, Rotate HVAC assembly counter clockwise and remove out of RH front door
Disconnect intake actuator connector

Note
1x connector
Disconnect upper mode actuator connector

Note
1x connector
Disconnect RH lower duct thermistor connector

Note
1x connector
Disconnect lower mode actuator connector

Note
1x connector
Disconnect RH bleed actuator connector

Note
1x connector
Disconnect LH bleed actuator connector

Note
1x connector
Disconnect LH evaporator thermistor connector

Note
1x connector
Disconnect LH lower duct thermistor connector

Note
1x connector
Remove bolts securing LH bleed actuator to HVAC assembly

Note
2x bolts, 6mm, 2.3 Nm
Remove bolts securing RH bleed actuator to HVAC assembly

Note
2x bolts, 6mm, 2.3 Nm
Release clips on RH side of HVAC assembly

Note
3x clips
Release HVAC harness from RH holding tabs

Note
3x holding tabs
Release HVAC harness from upper holding tabs

Note
2x holding tabs
Release HVAC harness from LH holding tabs and remove HVAC harness from HVAC assembly

Note
4x holding tabs
Position HVAC harness onto HVAC assembly and connect LH evaporator thermistor

Note
1x connector
Connect LH lower duct thermistor connector

Note
1x connector
Install HVAC harness into LH holding tabs

Note
4x holding tabs
Install HVAC harness into upper holding tabs

Note
2x holding tabs
Install clips on RH side of HVAC assembly

Note
3x clips
Install HVAC harness into RH holding tabs

Note
3x holding tabs
Connect lower mode actuator connector

Note
1x connector
Connect upper mode actuator connector

Note
1x connector
Connect intake actuator connector

Note
1x connector
Connect RH lower duct thermistor connector

Note
1x connector
Install bolts securing LH bleed actuator to HVAC assembly

Note
2x bolts, 6mm, 2.3 Nm
Install bolts securing RH bleed actuator to HVAC assembly

Note
2x bolts, 6mm, 2.3 Nm
Connect RH bleed actuator connector

Note
1x connector
Connect LH bleed actuator connector

Note
1x connector
Position HVAC assembly into vehicle for installation

Note
Recommend assistance, Install HVAC assembly through RH front door, Rotate HVAC assembly clockwise for installation
Install bolt securing HVAC assembly to RH side of bulkhead

Note
1x bolt, 10mm, 5.5 Nm
Install main floor duct to HVAC assembly
Replace seal washers on supermanifold to HVAC AC line assembly on HVAC side

Note
5x seal washers, Install new seal washers, Lube seal washers with ND-11 oil
Install supermanifold to HVAC AC line assembly to HVAC assembly

Note
2x bolts, 13 mm, 22 Nm
Reconnect AC hoses to vehicle
Perform system vacuum and refrigerant refill

Note
Select 20 mins of Vacuum, Recharge refrigerant to car's specs, select both HP and LP for charging, add oil quantity as needed, If drained oil level increased more than 1.01 oz (30 mL) refer to drained oil loss chart article 353700
Connect HVAC harness connector to right body controller

Note
1x connector
Install LH front main carpet into position for installation
Position cross car beam to vehicle for installation

Note
Recommend assistance, Use caution not to damage the interior
Loosely install bolts securing RH cross car beam to body

Note
2x bolts, 15mm, 29 Nm, Torque at later step
Loosely install bolts securing LH cross car beam to body

Note
2x bolts, 15mm, 29 Nm, Torque at later step
Loosely install bolt securing cross car beam to upper cowl

Note
1x bolt, 13mm, 25 Nm
Loosely install bolt securing cross car beam to HVAC assembly

Note
1x bolt, 10mm, 5.5 Nm, Torque at later step
Loosely install bolts securing cross car beam to HVAC assembly

Note
4x bolts, 10mm, 5.5 Nm, Torque at later step
Position RH cross car beam bracket to vehicle for installation
Loosely install nut securing RH cross car beam bracket to body

Note
1x nut, 13mm, 25 Nm, Torque at later step
Loosely install bolt securing RH cross car beam bracket to cross car beam

Note
1x bolt, 13mm, 25 Nm, Torque at later step
Position LH cross car beam bracket to vehicle for installation
Loosely Install nut securing LH cross car beam bracket to body

Note
1x nut, 13mm, 25 Nm, Torque at later step
Loosely install bolt securing cross car beam to LH cross car beam bracket

Note
1x bolt, 13mm, 25 Nm, Torque at later step
Install bolts securing cross car beam to LH side of bulkhead

Note
2x bolts, 13mm, 25 Nm
Torque bolt securing cross car beam to upper cowl

Note
1x bolts, 13mm, 25 Nm
Torque bolt securing cross car beam to HVAC assembly

Note
1x bolts, 10mm, 5.5 Nm
Torque bolts securing cross car beam to HVAC module

Note
4x bolts, 10mm, 5.5 Nm
Torque bolts securing the LH cross car beam to body

Note
2x bolts, 15mm, 29 Nm
Torque bolts securing RH cross car beam to body

Note
2x bolts, 15mm, 29 Nm
Torque the nut securing the RH cross car beam bracket to body

Note
1x nut, 13mm, 25 Nm
Torque bolt securing RH cross car beam bracket to cross car beam

Note
1x bolt, 13mm, 25 Nm
Install clip securing RH front main carpet to cross car beam

Note
1x clip
Torque nut securing LH cross car beam bracket to vehicle

Note
1x nut, 13mm, 25 Nm
Torque bolt securing LH cross car beam bracket to cross car beam

Note
1x bolt, 13mm, 25 Nm
Install clips securing LH front main cabin carpet to vehicle

Note
3x push clips, Number of clips on newer vehicles may vary
Position steering column for installation
Install nuts securing steering column to cross car beam

Note
4x nuts, 13mm, 15 Nm
Install bleeder duct adapter to HVAC

Note
4x clips
Install RH center display bracket

Note
2x bolts, T30, 12 Nm
Install LH center display bracket

Note
2x bolts, T30, 12 Nm
Install clip located on RH side of cross car beam
Connect IP harness connectors to RH controller area

Note
3x connector
Install dash harness connector to right body controller

Note
1x connector
Connect IP harness connectors to car computer

Note
2x connectors
Secure HVAC harness to IP harness

Note
3x harness holders
Install IP harness clip to HVAC assembly next to RH upper mode actuator

Note
1x clip
Install IP harness clip to HVAC assembly next to RH lower duct thermistor

Note
1x clip
Install IP harness clips to body

Note
4x harness clips
Connect IP harness connector to restrain control module

Note
1x connector, Engage locking tab
Install clip securing center speaker harness to HVAC assembly

Note
1x clip
Connect blower motor connector

Note
1x connector
Install blower motor harness clip to HVAC assembly

Note
1x clip
Connect IP harness connector to electronic steering column

Note
1x connector
Connect HVAC connector to left body controller

Note
1x connector
Connect dash connector to left body controller

Note
1x connector, Fully seat connector and pull release tab into locking position
Install headliner harness clips to lower a-pillar

Note
2x clips
Connect headliner harness connector

Note
1x connector
Install driver air wave duct into HVAC assembly
Connect LH upper duct thermistor to driver air wave duct

Note
1x connector
Install screws securing driver air wave duct to cross car beam

Note
2x screws, T20, 2.3 Nm
Install IP carrier onto cross car beam

Note
4x mounting tabs, Recommend assistance, Slide mounting tabs on IP carrier into brackets on vehicle, Be cautious to clear the harness clipped at top center of HVAC assembly, This will also ease installation
Install screw securing IP carrier to cross car beam on upper RH side

Note
1x screw, T20, 2.3 Nm
Install screws securing IP carrier to cross car beam at upper center

Note
2x screws, T20, 2.3 Nm
Install screws securing IP carrier to cross car beam at lower center

Note
2x screws, T20, 2.3 Nm
Install screw securing IP carrier to cross car beam on upper LH side

Note
1x screw, T20, 2.3 Nm
Install screws securing IP carrier to cross car beam on lower LH side

Note
2x screws, T20, 2.3 Nm
Install screws securing IP carrier to cross car beam near passenger air bag

Note
2x screws, T20, 2.3 Nm
Install bolts securing passenger air bag assembly to cross car beam

Note
4x patch bolts, E10, 8 Nm, Install new patch bolts
Install connectors for passenger air bag

Note
3x connectors, 2x connectors for regions other than North America
Install RH speaker to IP carrier

Note
1x connector, 3x screws, T20, 2.3 Nm
Install center tweeter to IP carrier

Note
1x connector, 2x screws, T20, 2.3 Nm
Install center speaker to IP

Note
3x screws, T20, 2.3 Nm, 1x connector
Install LH speaker to IP carrier

Note
3x screws, T20, 2.3 Nm, 1x connector
Position defroster grill and lower tabs into position on IP

Note
6x tabs
Secure clips securing defroster grill

Note
8x clips
Position LH air duct into IP and connect harness connector

Note
1x connector
Install LH air duct into IP

Note
1x screw, T20, 2.3 Nm
Position RH air duct into IP and connect harness connector

Note
1x connector
Install RH air duct into IP

Note
1x screw, T20, 2.3 Nm
Install IP brow finisher into vehicle

Note
16x clips, Need to lift top pad up slightly to slide IP brow finisher into position
Install screws securing RH side of IP brow finisher

Note
4x screws, T20, 2.3 Nm, Fastener count may vary, Older production vehicles may have 5x screws
Install screws securing LH side of IP brow finisher

Note
4x screws, T20, 2.3 Nm, Fastener count may vary, Older production vehicles may have 5x screws
Install RH IP air wave duct

Note
2x push clips
Connect RH upper duct thermistor to RH IP air wave duct

Note
1x connector
Install passenger footwell air duct

Note
1x push clip
Connect glove box assembly connectors

Note
3x connectors, New puddle lamp harness routing prevent blocking movement of pawls, Make sure harness is routed properly above passenger footwell air duct before connecting
Install glove box into IP carrier

Note
3x clips
Install screws securing glove box assembly to IP carrier

Note
6x screws, T20, 2.3 Nm
Connect glove box USB cable to car computer

Note
1x connector
Install passenger knee air bag onto vehicle

Note
1x connector, Use caution not to damage connector and harness, Support knee air bag while connecting connector
Install bolts securing passenger knee air bag to vehicle

Note
4x patch bolts, E10, 8 Nm, Install new patch bolts, 2x screws, T20, 2 Nm, 1x push clip, If vehicle equipped with T30 bolts update to E10
Install RH footwell assembly onto IP

Note
4x push clips
Position center display neck housing into vehicle
Position center display into vehicle
Connect center display

Note
1x connector
Install retaining clip to center display connector

Note
1x clip
Slide down neck housing and install bolts securing neck housing to center display

Note
2x bolts, T30, 3 Nm, Number of fasteners on older vehicles may vary
Install center display to IP carrier

Note
2x patch bolts, 10mm, 16 Nm, Install new 10mm patch bolts, Slide towards front of vehicle
Connect temperature sensor connector and install IP service panel into IP

Note
4x clips, 4x tabs, 1x connector
Install SCCM onto steering column

Note
1x bolt, 5mm allen, 9 Nm
Install SCCM onto steering column

Note
1x bolt, 5mm allen, 9 Nm
Connect SCCM assembly connector

Note
1x connector, Install new orange retaining clip to connector then install SCCM connector, Perform push-pull-push to make sure connector is seated properly
Position lower shroud onto steering column
Install lower screw securing lower shroud to steering column

Note
1x screw, T20, 1.5 Nm
Install lower shroud to steering column

Note
3x screws, T20, 1.5 Nm
Install upper shroud onto lower shroud

Note
4x clips
Position steering wheel to column

Note
Align the marking and keyed part of steering wheel and column
Secure steering wheel

Note
1x patch bolt, 10mm hex, 80 Nm, Install new patch bolt
Connect steering wheel

Note
1x connector
Position driver air bag assembly

Note
1x connector
Install driver air bag assembly to steering wheel

Note
3x datums, 2x spring clips, Inspect to make sure lower horn bracket is properly secured to steering wheel before installing driver air bag, make sure that the driver air bag harness doesn’t get caught between the driver air bag and the horn mechanism, verify air bag is fully engaged
Install main decor assembly

Note
15x clips, 1x center clip
Install LH footwell duct into HVAC module

Note
1x push clip
Position driver knee airbag

Note
1x connector, Use caution not to damage the connector/harness, Support the knee air bag while connecting the connector
Install driver knee air bag to vehicle

Note
4x patch bolts, E10, 8 Nm, Install new patch bolts, 2x screws, T20, 2 Nm, 1x push clip, If vehicle equipped with T30 bolts, update to E10
Position LH footwell cover

Note
3x tabs, 1x Ethernet connector, 1x puddle light connector, APAC specific vehicles have an additional OBDII connector
Install LH footwell cover

Note
1x screw, T20, 2.5 Nm, 2x push clips
Install RH upper A-pillar trim

Note
3x clips, 1x tether, Slide bottom of trim along IP and speaker grill, attach tether to body side, Set clips starting at the bottom and work up, Pull seal over trim
Install RH lower A-pillar trim

Note
1x clip, 2 guide tabs, Align 2 front tabs then align slot with harness bracket and then push rear clip to secure to lower B-pillar
Install clip for RH lower A-pillar trim

Note
1x clip
Install RH mid A-pillar assembly

Note
1x clip, 1x tab, Align bottom tab then push on top clip to fully seat mid A-pillar, Make sure seal seat on top of trim
Install RH air wave bezel cap to main decor assembly

Note
2x clips, Newer vehicles are equipped with solid bezel.
Install RH IP end cap

Note
3x clips
Install LH upper A-pillar trim

Note
3x clips, 1x tether, Slide bottom of trim along IP and speaker grill, attach tether to body side, Set clips starting at the bottom and work up, Pull seal over trim
Install LH lower A-pillar trim

Note
2x clips, 3 guide tabs, Align the 2 front tabs then align the slot with harness bracket and then push rear clip to secure to lower B-pillar, fully seat seal along trim
Install clip for LH lower A-pillar trim

Note
1x push clip
Install LH mid A pillar assembly

Note
1x clip, 1x tab, Align the bottom tab then push the top clip to fully seat mid A pillar, Pull seal over trim
Install LH air wave bezel cap to main decor assembly

Note
2x clips, Newer vehicles are equipped with solid bezel.
Install LH IP end cap

Note
3x clips
Install center console into vehicle

Note
Recommend assistance, Tilt front of console downward, Slide assembly towards front of vehicle and tilt rear of console down into place
Connect USB harness at RH of center console

Note
1x connector
Connect harness from rear of center console

Note
1x connector
Install RH front exterior bolts to center console

Note
2x bolts, 10mm, 7 Nm
Install RH console side panel carpet

Note
1 tab, 12x clips, Position side panel and align the front tab. Push the console panel from the front towards the rear
Install RH front floor mat
Install LH front exterior bolts to center console

Note
2x bolts, 10mm, 7 Nm
Install LH console side panel carpet

Note
1 tab, 12x clips, Position side panel and align the front tab. Push the console panel from the front towards the rear
Install LH front floor mat
Connect first responder loop

Note
1x connector, Engage locking tab, Connect FRL before connecting 12V to avoid damage to car computer
Connect 12V negative terminal

Note
1x nut, 10mm, 6 Nm
Remove AC hoses from vehicle
Install caps onto A/C ports

Note
2x caps
Run ODIN routine
PROC_VCFRONT_X_STOP-THERMAL-FILL-DRAIN
via Toolbox: (link)via Service Mode:
Thermal ➜ Actions ➜ Stop Thermal Fill/Drain
Thermal ➜ Coolant System ➜ Stop Coolant Fill/Drain
Thermal ➜ Refrigerant System ➜ Stop Refrigerant Fill/Drain
via Service Mode Plus:
Drive Inverter ➜ Front Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
Drive Unit ➜ Front Drive Unit Replacement ➜ Stop Coolant Fill/Drain
Drive Unit ➜ Rear Drive Unit Replacement ➜ Stop Coolant Fill/Drain
Run ODIN routine TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONINGvia Toolbox: (link)via Service Mode: Thermal ➜ Refrigerant System ➜ Run Heat Pump Commissioningvia Service Mode Plus: Drive Inverter ➜ Front Drive Inverter Replacement ➜ Heatpump commissioning
Run ODIN routine
TEST-SELF_VCFRONT_X_THERMAL-PERFORMANCE
via Toolbox: (link)via Service Mode: Thermal ➜ Actions ➜ Test Thermal Performancevia Service Mode Plus:
Drive Inverter ➜ Front Drive Inverter Replacement ➜ Thermal System Test
Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Thermal System Test
Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Thermal System Test
Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Thermal System Test
Drive Unit ➜ Front Drive Unit Replacement ➜ Thermal System Test
Drive Unit ➜ Rear Drive Unit Replacement ➜ Thermal System Test
Run ODIN routine
TEST-SELF_VCRIGHT_X_HVAC-PERFORMANCE
via Toolbox: (link)via Service Mode:
Thermal ➜ Actions ➜ Test HVAC Performance
Thermal ➜ HVAC ➜ HVAC Performance Test
Thermal ➜ Actions ➜ Test HVAC Performance
Move RH front seat forward
Install rear exterior bolts to center console

Note
2x bolts, 10mm, 7 Nm
Move RH front seat to original position
Move LH front seat forward
Install LH rear exterior bolt to center console

Note
Delete step
Install console lower rear panel

Note
5x clips
Move LH front seat to original position
Push vehicle onto lift

Note
Recommend assistance, Note this vehicle can only be safely pushed for a very short distance and at very slow speed
Press and hold park button to release EPB service mode

Note
Remove wheel chocks if necessary
Raise and support vehicle

Note
Ensure vehicle is not charging, Remove charging cable if it's plugged in
Install washer tank into position
Connect washer pump and level sensor connectors

Note
2x connectors
Install upper bolt securing washer tank to vehicle

Note
1x bolt, 10mm, 3 Nm
Secure harness clip onto LH side of washer tank inlet

Note
1x clip
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
Remove LH front wheel

Note
5x nuts, 21mm, 175 Nm
Partially release LH front wheel liner

Note
2x push clips
Install lower bolt securing washer tank to vehicle

Note
1x bolt, 10mm, 3 Nm
Install LH front wheel liner to vehicle

Note
6x clips, 1x bolt, 10mm, 5 Nm, Newer vehicles may be equipped with 2x push clips securing lower portion of liner to body
Install LH 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
Install LH front wheel center cap

Note
1x cap, Verify emblem is aligned with valve stem
Install wiper module to vehicle
Connect wiper module connector

Note
1x connector, Do NOT place limbs within the linkage movement area as wiper arms will automatically transition to parking mode
Install bolts securing wiper module

Note
3x bolts, 10mm, 7 Nm
Install fresh air intake assembly

Note
2x studs, Lift cowl as needed
Install cowl screen assembly

Note
2x push clips, 6x clips
Install RH shock tower cover

Note
1x push clip, Flip back the shock tower cover then install clip.
Install LH shock tower cover

Note
1x push clip, Flip back the shock tower cover then install clip.
Install LH wiper arm and hose assembly onto vehicle

Note
Washer hose shall be routed over the arm pivot joint not under
Install nut securing LH wiper arm to wiper module

Note
1x nut, 15mm, 25 Nm, Make sure wiper tip is aligned between two indicators at windshield
Connect washer hose from LH wiper arm to Y-tube fitting and secure washer hose clips

Note
2x clips, 1x hose
Install LH wiper arm nut cover

Note
1x cover
Install RH wiper arm and hose assembly onto vehicle
Install nut securing RH wiper arm to wiper module

Note
1x nut, 15mm, 25 Nm, Make sure wiper tip is aligned between two indicators at corner of windshield
Connect washer hose from RH wiper arm

Note
2x clips, 1x hose, Connect to Y-tube fitting and secure washer hose clips
Install RH wiper arm nut cover

Note
1x cover
Install frunk assembly to vehicle

Note
12x clips, Make sure frunk assembly is fully seated onto clips, Number of clips may vary on older vehicles, Ensure A/C compressor HVIL harness is not pinched between frunk assembly and thermal beam, replace any damaged clips
Install bolts securing frunk assembly

Note
7x bolts, 10mm, 5 Nm
Install frunk close out panel

Note
4x clips, 1x connector, Frunk safety switch, 3x guide tabs, Align 3x tabs then push downward to secure clips
Install cabin intake upper duct assembly

Note
3x clips, Some configurations may come with 4x clips
Install rear apron

Note
12x clips
Close hood
Verify operation of windshield washers and wipers
Run ODIN routine PROC_ICE_X_EXIT-SERVICE-MODEvia Toolbox: (link)
Remove vehicle from lift

Note
Lower rack arms fully and remove from under vehicle
Raise all windows
Close all four doors

Note
Unlatch rear doors before closing
This procedure requires refrigerant evacuation and recharge, please add specific evacuation and recharge correction code as needed

Note
18200102,18033302,18033305,18200122**Always use this Step ID**

2017–2023 Model 3 Service Manual

Harness - HVAC Assembly (Remove and Replace)

Figure 1

Figure 2

Figure 3