01/04/2024 14:04:57

Funnel - Drain - HVAC (Remove and Replace)

Correction code 18103612 3.90 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 proper PPE is worn when performing the below procedure.

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.

Turn Off the AC and Blower motor
Place vehicle in service mode with touchscreen

Note
Select vehicle's badge icon in Controls > Software for four seconds and then type "service" into dialog box
Access thermal system routines using the UI

Note
Select quick controls > Service mode > Diagnostics > Thermal, Authorize routines by holding right turn signal, depressing brake pedal for 10 seconds with key on phone dock
Select Start button at 'Start Thermal Fill Drain (Refrigerant Only)' using the UI and PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-REFRIGERANT window will appear

Note
Select ‘X’ at top left of window to close once complete, Verify refrigerant status moves from yellow 'Moving to Reclaim Position' to green 'Ready for Recharge/Reclaim' status, Thermal Fill Drain routine has a 5 hour time limit, After 5 hours EXV's will close and routine must be performed again
Open hood

Note
Via Center Display > Controls > Frunk Open
Remove rear underhood apron

Note
8x clips
Remove caps from low side and high side AC ports

Note
2x caps
Connect hoses to vehicle and perform A/C recovery

Note
Connect couplers to vehicle, Note the amount of refrigerant and oil recovered, mark oil drain bottle oil level (use a piece of tape marking the fluid level), Open couplers by turning clockwise, Using Main Menu > Recover > Verify hose connection, Machine will chime once process is complete, Vehicle may be left unattended, Note or print the amount of refrigerant and oil recovered, Refrigerant recovered should be ~2.24 lb (1.02 kg), Oil recovered should be ~0.3 oz (8.87 mL), If drained oil level increased more than 1.01 oz (30 mL) refer to drained oil loss chart https://toolbox.teslamotors.com/articles/353700
Remove the center console. See Center Console Assembly (Remove and Replace).
Remove AC hoses from vehicle
Remove LH underhood apron

Note
10x clips
Remove RH underhood apron

Note
10x clips
Release LH wiper arm hose nozzle

Note
1x hose
Remove LH wiper arm nut cover

Note
1x cover
Remove LH wiper arm nut and release assembly

Note
1x nut, 15mm, 26 Nm
Release RH wiper arm hose nozzle

Note
1x hose
Remove RH wiper arm nut cover

Note
1x cover
Remove RH wiper arm nut and release assembly

Note
1x nut, 15mm, 26 Nm
Release washer hose nozzle by LH shock tower cover

Note
1x hose, 3x clips
Remove LH shock tower cover

Note
3x push clips, 1x fir tree clip
Remove RH shock tower cover

Note
3x push clips, 1x fir tree clip
Remove wiper cowl screen panel

Note
4x push clips, 2x end tabs
Remove fasteners securing LH V-brace and remove assembly

Note
3x bolts, 10mm, 18 Nm, 1x nut, 10mm, 9 Nm
Using center display, place wipers into "Service Mode"

Note
via Controls > Service > Wiper Service Mode, If wiper module is not in service mode the RH pivot arm will not clear the V Brace crossmember during removal
Adjust steering column fully rearward and fully down

Note
Via UI > Quick Controls > Steering Wheel, Use left steering wheel scroll wheel to adjust steering column
Power off vehicle from center display

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

Note
2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection
Remove wiper module

Note
3x bolts, 10mm, 8 Nm, 1x connector, Rotate module forward and up to access connector, Observe LH wiper arm pivot during removal to avoid damage to windshield
Release upper steering column bracket IP carrier bolts at bulkhead

Note
2x bolts, 13mm, 27Nm
Remove Penta HVAC line from HVAC assembly

Note
2x bolts, 13mm, 22 Nm
Release HVAC assembly bolt at bulkhead

Note
1x bolt, 10mm, 8 Nm
Remove the IP sub-assembly. See Sub Assembly - Instrument Panel (Remove and Install).
Remove driver IP air vent duct

Note
2x rivets, 1x connector, Slide outboard and up out of HVAC unit assembly
Release spring clip securing driver air bag assembly to steering wheel and pull driver air bag assembly away from steering wheel

Note
2x spring clips, 2x 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
Disconnect driver air bag connector and remove driver air bag assembly

Note
1x connector, 2x tabs
Disconnect steering wheel connector

Note
1x connector
Remove bolt that secures the steering wheel to the column

Note
1x patch bolt, 10mm allen, 80 Nm, Discard after removal
Remove steering wheel

Note
Note that the steering wheel is splined to the column
Pull upward to release steering column upper shroud from lower shroud

Note
6x clips, 4x datums
Remove lower shroud to steering column

Note
2x screws, T20, 1.5 Nm, 1x clip, 1x datum, Slide lower shroud rearward to release datum
Remove lower instrument panel assembly

Note
3x screws, T20, 3 Nm, 8x tabs, Remaining screws located at bottom of assembly, Release assembly and carefully guide over upper steering column
Release IP harness from J12 x055 Dash connector at right body controller

Note
2x clips, 1x connector, Release lock then remove
Release connector to gaming MCU

Note
1x connector, Depress lock on underside of connector before pulling out of socket, Possible damage to PCBA may occur if removed without releasing lock first
Release IP harness connectors at LH side of car computer gaming board

Note
5x connectors, Release locks on connectors before removal
Release IP harness from RH toeboard bracket

Note
3x clips
Disconnect steering column control module 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
Release IP harness from J12 x035 Dash connector at left body controller and connector x947F

Note
1x clip, 2x connectors, Release lock then remove
Release steering column harness

Note
1x connector, 1x clip
Release upper steering column from steering column bracket

Note
4x nuts, 13mm, 15 Nm, Rotate and set aside
Release LH cross car beam assembly

Note
2x bolts, 13mm, 27 Nm
Release RH cross car beam assembly

Note
2x bolts, 13mm, 27 Nm
Release cross car beam assembly from toeboard bracket

Note
2x bolts, 13mm, 27 Nm
Release cross car beam assembly from HVAC unit

Note
4x bolts, 10mm, 8 Nm
Release IP cowl link

Note
2x bolts, 10mm, 6 Nm, Only remove the bolts from the IP carrier and HVAC box
Release cross car beam assembly from body and HVAC unit

Note
4x datums
Remove cross car beam assembly with IP harness from vehicle

Note
Avoid contact with seats and inner door panel, Recommend assistance as required
Release HVAC blower x059 connector and HVAC case x058 connector from right controller

Note
1x clip, 2x connectors
Remove center console HVAC duct

Note
1x brush clip
Release LH and RH rear vent ducts from HVAC assembly

Note
2x tabs, Release ducts from tabs upward and release from HVAC assembly rearward
Release HVAC assembly from bulkhead

Note
1x bolt, 10mm, 8 Nm
Remove HVAC assembly from vehicle

Note
Remove HVAC assembly towards rear of vehicle, Rotate counter clockwise and remove out through passenger front door, Recommend assistance
Release HVAC drain funnel assembly

Note
2x tabs
Install coolant hose clamp pliers

Note
Pull HVAC drain funnel assembly with hose into cabin and install coolant hose clamp pliers to hold in position
Release HVAC drain funnel

Note
1x datum, Rotate funnel assembly over, Release datum at bottom of HVAC drain funnel from hose to remove
Secure HVAC drain funnel to drain hose

Note
1x datum, Ensure datum is fully engaged with cutout in drain hose, Remove hose clamp pliers
Secure HVAC drain funnel assembly to bulkhead

Note
1x datum, 2x tabs, Align datum with cutout in bulkhead, Ensure both tabs are locked into bulkhead
Install HVAC assembly to vehicle

Note
Install front of HVAC assembly through passenger front door, Rotate counter clockwise and install towards front of vehicle
Secure HVAC assembly bolt at bulkhead

Note
1x bolt, 10mm, 8 Nm
Replace the seal washers to the Penta HVAC line on the HVAC side

Note
5x seal washers, Lube seal washers with ND-11 oil
Install Penta HVAC line from HVAC assembly

Note
2x bolts, 13mm, 22 Nm
Reconnect AC hoses to vehicle
Perform AC vacuum and run leak test

Note
Set vacuum time to 15 minutes and leak test to ON, Machine will chime once process is complete, Vehicle may be left unattended, Verify leak test passed before continuing
Perform AC recharge

Note
Enter refrigerant and oil amount noted at AC recovery, Settings should match notes, Select Both Sides for charge, Select ND-11 MSX using bottle icon, Machine will chime once process is complete, Vehicle may be left unattended, If desired use the Dye Inject option to inject leak detection dye
Secure HVAC assembly to bulkhead

Note
1x bolt, 10mm, 8 Nm
Secure LH and RH rear vent ducts to HVAC assembly

Note
2x tabs, Align ducts into HVAC assembly then secure tabs to retaining studs
Install center console HVAC duct

Note
1x brush clip, Slide duct into HVAC assembly and ensure fully seated
Secure HVAC blower x059 connector and HVAC case x058 connector to right controller

Note
1x clip, 2x connectors
Install cross car beam assembly into vehicle

Note
Avoid contact with seats and inner door panel, Recommend assistance as required
Align cross car beam assembly to body and HVAC unit

Note
4x datums
Secure upper steering column bracket IP carrier bolts at bulkhead

Note
2x bolts, 13mm, 27 Nm
Secure cross car beam assembly to toeboard bracket

Note
2x bolts, 13mm, 27 Nm
Secure cross car beam assembly to HVAC unit

Note
4x bolts, 10mm, 8 Nm
Secure RH cross car beam assembly

Note
2x bolts, 13mm, 27 Nm
Secure LH cross car beam assembly

Note
2x bolts, 13mm, 27 Nm
Secure IP cowl link

Note
2x bolts, 10mm, 6 Nm, 2x datums
Secure upper steering column to steering column bracket

Note
4x nuts, 13mm, 15 Nm
Secure steering column harness

Note
1x connector, 1x clip
Secure IP harness to J12 x035 Dash connector at left body controller and connector x947F

Note
1x clip, 2x connectors
Connect steering column control module 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
Secure IP harness to RH toeboard bracket

Note
3x clips
Secure IP harness connectors at LH side of car computer gaming board

Note
5x connectors
Install connector to gaming MCU

Note
1x connector, Confirm connector locked into socket
Secure IP harness to J12 x055 Dash connector at right body controller

Note
2x clips, 1x connector
Secure lower instrument panel assembly

Note
3x screws, T20, 3 Nm, 8x tabs, Secure only the screws located at bottom of assembly, Remainder of screws are secured at a later step
Install lower shroud to steering column

Note
2x screws, T20, 1.5 Nm, 1x clip, 1x datum, Slide lower shroud forward to engage datum
Align the clips and datums then press downward to install upper shroud onto lower shroud

Note
6x clips, 4x datums
Install steering wheel

Note
Note that the steering wheel is splined to the column and can only be installed in the correct position
Install bolt securing steering wheel to steering column

Note
1x patch bolt, 10mm allen, 80 Nm, Install new patch bolt
Secure steering wheel connector

Note
1x connector
Connect driver air bag assembly connector

Note
1x connector, 2x tabs
Install driver air bag assembly to yoke steering wheel

Note
2x datums, 2x spring clip, Position driver air bag onto yoke steering wheel, Align datums onto the clips, Press down on one side of the air bag until clip is fully seated, then repeat on other side, You should hear an audible click, Perform pull test on each side of driver air bag assembly, Confirm the gap and space between driver air bag assembly to yoke steering wheel is symmetrical
Install driver IP air vent duct

Note
1x rivets, 1x connector, Slide inboard and into HVAC unit assembly
Install the instrument panel sub-assembly and all other parts that were removed for access. See Sub Assembly - Instrument Panel (Remove and Install).
Connect First Responder Loop and LV battery connector

Note
2x connectors Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage green locking tab when fully seated
Access thermal system routines using the UI

Note
Select quick controls > Service mode > Diagnostics > Thermal, Authorize routines by holding right turn signal, depressing brake pedal for 10 seconds with key on phone dock
Select Start button at 'Run Heat Pump Commissioning' TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONING, Status will change from 'INACTIVE' to 'RUNNING'

Note
If this routine is not run after entering Thermal Drain/Fill mode, the AC compressor operation will be blocked, Select ‘X’ at top left of window to close once 'TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONING SUCCESS' window appears
Proceed with Hose Equalize steps to complete AC recharge process and follow instructions displayed on AC Machine

Note
Disconnect high side coupler from vehicle, Turn AC on, Temp setting LO, Panel mode on, Fresh air mode on, Blower speed set to 10, Verify Hose Equalize settings, Verify discharge pressure does not exceed 26 bar and suction pressure is not below 1.15 bar,
Proceed with Hose Equalize steps to complete AC recharge process and follow instructions displayed on AC Machine

Note
Remove low side coupler from vehicle, Turn vehicle off, Verify Hose Equalize settings, Machine will chime once process is complete
Install caps onto AC ports

Note
2x caps
Install wiper module

Note
3x bolts, 10mm, 8 Nm, 1x connector, Secure electrical connector first, Rotate module rearward and under windshield, Observe LH wiper arm pivot during install to avoid damage to windshield
Install fasteners securing LH V-brace and secure

Note
3x bolts, 10mm, 18 Nm, 1x nut, 10mm, 9 Nm
Install wiper cowl screen panel

Note
4x push clips, 2x end tabs
Using center display, remove wipers from "Service Mode"
Install RH wiper arm assembly and secure nut

Note
1x nut, 15mm, 26 Nm, Line up wiper to reference mark on windshield
Install RH wiper arm nut cover
Secure RH wiper arm washer nozzle

Note
1x hose, Hose is routed below the arm
Install LH wiper arm assembly and secure nut

Note
1x nut, 15mm, 26 Nm, Line up wiper to reference mark on windshield
Install LH wiper arm nut cover
Secure LH wiper arm washer nozzle

Note
1x hose, Hose is routed below the arm
Install RH shock tower cover

Note
3x push clip, 1x fir tree clip
Install LH shock tower cover

Note
3x push clip, 1x fir tree clip
Secure washer hose nozzle by LH shock tower cover

Note
1x hose, 3x clips
Install RH underhood apron

Note
10x clips
Install LH underhood apron

Note
10x clips
Install rear underhood apron

Note
8x clips
Install the center console. See Center Console Assembly (Remove and Replace).
Test Thermal Performance

Note
Scroll up Thermal menu, Select 'Start' button at 'Test Thermal Performance' using the UI, Menu will change from 'INACTIVE' TO 'RUNNING'- allow routine to complete, Select ‘X’ at top left of window to close once ‘TEST-SELF_VCFRONT_X_THERMAL-PERFORMANCE- SUCCESS' window appears
Exit Service Mode

Note
Controls>Software select Exit Service Mode button
Adjust steering column back to original position

Model S Service Manual

Funnel - Drain - HVAC (Remove and Replace)

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