Sensor - Subcool - Pressure and Temperature (PT) - High Pressure (Remove and Replace)
Correction code 18400502 0.72 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.
-
Connect A/C machine to power and switch on
NoteTouch time only, Machine will run various background tasks, Wait until Main Menu comes up before continuing
-
Skip the following panels when prompted
NoteUse selections indicated in pictures
-
Perform hose flush
NoteTouch time only, Connect couplers to machine, Open couplers by turning clockwise, Using Main Menu > Next > Menu > Flush hoses > Verify hose connection, Machine will chime once process is complete
-
Using laptop connect to vehicle with ethernet diag kit and Toolbox 3
NoteOpen Toolbox 3 website and establish connection to the vehicle, https://toolbox.teslamotors.com, For local connection issues with Toolbox 3 refer to https://toolbox.teslamotors.com/articles/43695, Media converter box is powered by laptop using USB, Ethernet connection will provide communication
-
Select Actions
tab and search for "Refrigerant"
-
Select PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-REFRIGERANTSearch for routine in ToolboxStart Thermal Fluid Fill/Drain (Refrigerant only)Thermal / Refrigerant System - Start Refrigerant Fill/DrainThermal / Actions - Start Refrigerant Fill/Drain, click
Run, and allow routine to complete
NoteSelect "x" at the top right of the window to close once complete, Thermal Fill Drain routine has a 5 hour time limit, After 5 hours EXV's will close and routine must be performed again, Verify EXV positions are open via Garage > Vitals > HP > Refrigerant Loop EXV, Verify LCC, CC Left, Evap, CC Right, Chiller are all at ~100%. Recirc is at ~20%, LCC Solenoid is OPENED
-
Open hood
NoteVia center display > Quick Controls > Frunk Open
-
Power off vehicle via center display
NoteControls > Safety & Security > Power Off
-
Remove rear underhood apron
Note11x clips
-
Disconnect LV battery connector and First Responder Loop
Note2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection
-
Remove RH underhood apron
Note11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp
-
Remove LH underhood apron
Note11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp
-
Remove front underhood apron
Note12x clips, 3 datums
-
Remove frunk access panel
Note3x clips, 3x hooks, 1x connector
-
Remove frunk carpet
-
Remove frunk assembly
Note8x bolts, 10mm, 5 Nm
-
Release RH wiper arm hose nozzle
Note1x hose
-
Release LH wiper arm hose nozzle
Note1x hose
-
Remove LH wiper arm nut cover
Note1x cover
-
Remove RH wiper arm nut covers
Note2x cover
-
Remove RH wiper arm nuts and release assembly
Note2x nuts, 15mm, 32 Nm, Do not flex wiper arm to remove
-
Remove LH wiper arm nut and release assembly
Note1x nut, 15mm, 32 Nm, Do not flex wiper arm to remove, Lower the hood slightly to fit wiper arm removal tool
-
Release cowl screen washer supply hose located above LH shock tower cover
Note1x hose
-
Remove LH outer hood hinge cover
Note1x clips
-
Remove RH outer hood hinge cover
Note1x clips
-
Remove wiper cowl screen panel
Note4x push clips, Pull cowl up out of lower windshield channel
-
Remove wiper module
Note3x bolts, 10mm, 9 Nm, 1x connector, Rotate module forward and up to access connector
-
Remove caps from low side and high side AC ports
Note2x caps
-
Connect hoses to vehicle and perform A/C recovery
NoteConnect 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 AC hoses from vehicle
-
Remove bolt on supermanifold to compressor AC line from supermanifold
Note1x bolt, 13mm, 22 Nm
-
Position supermanifold to compressor AC line away from Supermanifold
NoteSecure AC manifold line to avoid oil leaking out
-
Disconnect high pressure PT sub cool sensor connector
Note1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector
-
Remove high pressure PT sub cool sensor from Supermanifold
NoteFor Sensata sensors use 24mm thin wall, For Bridgeport sensors use 21mm, 9 Nm, Must use special tool, Regular 24mm or 21mm socket will damage connector housing, High pressure PT sub cool sensor connector color is black
-
Document old and new part numbers and serial numbers
NoteDocument part numbers and serial numbers into repair order
-
Lubricate high pressure PT sub cool sensor threads and O-ring with ND-11 Oil
-
Hand start high pressure PT sub cool sensor until O-ring contacts manifold
-
Gradually hand tighten the high pressure PT sub cool sensor while slightly backing off to walk the O-ring into the fully seated position
NoteThis will avoid pinching the O-ring on the outside edge of the manifold, which can cause a leak, Takes multiple cycles to properly seat
-
Torque high pressure PT sub cool sensor
NoteFor Sensata sensors use 24mm thin wall, For Bridgeport sensors use 21mm, 9 Nm, Must use special tool, Regular 24mm or 21mm socket will damage connector housing, High pressure PT sub cool sensor connector color is black
-
Connect high pressure PT sub cool sensor connector
Note1x electrical connector, Engage locking tab
-
Replace seal washers for supermanifold to compressor AC line on supermanifold side
Note2x seal washers, Lube seal washers with ND-11 oil
-
Install supermanifold to compressor AC line onto supermanifold
Note1x bolt, 13mm, 22 Nm, Hand start bolt to prevent stripped threads
-
Connect AC hoses to vehicle
-
Perform AC vacuum and run leak test
NoteOpen valves, 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
NoteEnter 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
-
Connect First Responder Loop and LV battery connector
Note2x connectors, Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage upper locking tab when fully seated
-
Re-establish vehicle connection to Toolbox 3
NoteOpen Toolbox 3 website and establish connection to the 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)
-
Select "Actions" and search for "Stop Thermal"
-
Select "Stop Thermal Fluid Fill/Drain", click "Run", and allow routine to complete
NoteSelect "X" at top right of window to close once complete
-
Select "Actions/Autodiag" and search for "Commissioning"
-
Select TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONINGSearch for routine in ToolboxHeat Pump Thermal System CommissioningThermal / Refrigerant System - Run Heat Pump Commissioninghv / Front Drive Inverter Replacement - Heatpump commissioning, click Run, and
allow routine to complete
NoteIf this routine is not run after entering Thermal Drain/Fill mode, the AC compressor operation will be blocked, Select "X" at top right of window to close once complete
-
Proceed with Hose Equalize steps to complete AC recharge process and follow instructions displayed on AC Machine
NoteDisconnect 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
NoteRemove low side coupler from vehicle, Turn vehicle off, Verify Hose Equalize settings, Machine will chime once process is complete
-
Install caps onto AC ports
Note2x caps
-
Select ‘Actions/Autodiag’ and search for ‘Thermal Performance’
-
Select TEST-SELF_VCFRONT_X_HEAT-PUMP-THERMAL-PERFORMANCESearch for routine in ToolboxHeat Pump Thermal System Performance Test, click
Run, and allow routine to complete
NoteSelect "X" at top right of window to close once complete, If thermal test fails follow https://toolbox.teslamotors.com/articles/206000
-
Disconnect Toolbox 3 from vehicle and remove laptop and ethernet diag kit
-
Power off vehicle via center display
NoteControls > Safety & Security > Power Off
-
Disconnect LV battery connector and First Responder Loop
Note2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection
-
Install wiper module
Note3x bolts, 10mm, 9 Nm, 1x connector, Secure connector before install, Rotate module rearward and up into place
-
Install wiper cowl screen panel
Note4x push clips, Secure cowl into lower windshield channel
-
Secure cowl screen washer supply hose located above LH shock tower cover
Note1x hose
-
Install LH outer hood hinge cover
Note1x clips
-
Install RH outer hood hinge cover
Note1x clips
-
Install RH wiper arm assembly and secure nuts
Note2x nuts, 15mm, 32 Nm, Line up wiper to reference mark on windshield
-
Install LH wiper arm assembly and secure nut
Note1x nut, 15mm, 32 Nm
-
Secure LH wiper arm hose nozzle
Note1x hose, Hose is routed above the arm pivot
-
Secure RH wiper arm hose nozzle
Note1x hose, Hose is routed below the arm pivot
-
Install RH wiper arm nut covers
Note2x cover
-
Install LH wiper arm nut cover
Note1x cover
-
Install frunk assembly
Note8x bolts, 10mm, 5 Nm
-
Install frunk carpet
NoteVerify carpet is properly seated under the seal
-
Install frunk access panel
Note3x clips, 3x hooks, 1x connector
-
Install front underhood apron
Note12x clips, 3x datums
-
Install LH underhood apron
Note11x clips, 2 datums
-
Install RH underhood apron
Note11x clips, 2x datums
-
Connect First Responder Loop and LV battery connector
Note2x connectors, Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage upper locking tab when fully seated
-
Install rear underhood apron
Note11x clips
- Close hood
-
Calibrate the rear doors.
NoteIf the "Calibration Needed" message appears on the vehicle touchscreen, touch and hold Calibrate to calibrate the rear doors.