01/04/2024 14:01:12

Check Valve - Evaporator (Remove and Replace)

Correction code 18401002 1.92 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.

Remove

Connect A/C machine to power and switch on.

Note
Touch time only, Machine will run various background tasks, Wait until Main Menu comes up before continuing.
Skip the following panels when prompted.

Note
Use selections indicated in pictures.
Perform hose flush.

Note
Touch 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.
Lower LH and RH front windows.
Release IP service panel.

Note
2x tabs, 4x datums, Release top tabs and slide rearward.
Using laptop connect to vehicle with ethernet diag kit and Toolbox 3.

Note
Open Toolbox 3 website and establish connection to the vehicle. 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-REFRIGERANT, click Run, and allow routine to complete.

Note
Select "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.

Note
Via center display > Controls > Frunk Open.
Power off vehicle via center display.

Note
Controls > Safety & Security > Power Off.
Remove rear underhood apron.

Note
11x clips, 2x datums.
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, Release red lock tab on FRL.
Remove RH underhood apron.

Note
11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp.
Remove LH underhood apron.

Note
11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp.
Remove front underhood apron.

Note
12x clips, 3 datums.
Remove frunk access panel.

Note
3x clips, 3x hooks, 1x connector.
Remove frunk carpet.
Remove frunk assembly.

Note
8x bolts, 10mm, 5 Nm .
Release RH wiper arm hose nozzle.

Note
1x hose.
Release LH wiper arm hose nozzle.

Note
1x hose.
Remove LH wiper arm nut cover.

Note
1x cover.
Remove RH wiper arm nut covers.

Note
2x cover.
Remove RH wiper arm nuts and release assembly.

Note
2x nuts, 15mm, 32 Nm, Do not flex wiper arm to remove.
Remove LH wiper arm nut and release assembly.

Note
1x 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.

Note
1x hose.
Remove LH outer hood hinge cover.

Note
1x clips.
Remove RH outer hood hinge cover.

Note
1x clips.
Remove wiper cowl screen panel.

Note
4x push clips, Pull cowl up out of lower windshield channel.
Remove wiper module.

Note
3x bolts, 10mm, 9 Nm, 1x connector, Rotate module forward and up to access connector.
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.
Remove evaporator check valve snap ring from Supermanifold.

Note
1x snap ring, Discard after removal.
Remove evaporator check valve from Supermanifold.

Note
If check valve separates from aluminum cap during removal do not use metal tools, Metal tools may scrape Supermanifold housing causing internal damage, Use fingers or wrap electrical tape around 90 degree pick .

Install

Install evaporator check valve into Supermanifold.

Note
Use ND-11 oil to lubricate O-rings, Seat valve past snap ring landing.
Install evaporator check valve snap ring into Supermanifold.

Note
1x snap ring, Install new snap ring, Verify snap ring is properly seated inside groove of Supermanifold.
Perform AC vacuum and run leak test.

Note
Open 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.

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.
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 upper locking tab when fully seated.
Re-establish vehicle connection to Toolbox 3.

Note
Open Toolbox 3 website and establish connection to the vehicle.
Select "Actions" and search for "Stop Thermal".
Select "Stop Thermal Fluid Fill/Drain", click "Run", and allow routine to complete.

Note
Select "X" at top right of window to close once complete.
Select "Actions/Autodiag" and search for "Commissioning".
Select TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONING, click Run, and allow routine to complete.

Note
If 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.

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.
Select "Actions/Autodiag" and search for "Thermal Performance".
Select TEST-SELF_VCFRONT_X_HEAT-PUMP-THERMAL-PERFORMANCE, click Run, and allow routine to complete.

Note
Select "X" at top right of window to close once complete.
Disconnect Toolbox 3 from vehicle and remove laptop and ethernet diag kit.
Install IP service panel.

Note
2x tabs, 4 datums, Slide forward engaging datums then secure tabs upward into IP.
Power off vehicle via center display.

Note
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, Release red lock tab on FRL.
Install wiper module.

Note
3x bolts, 10mm, 9 Nm, 1x connector, Secure connector before install, Rotate module rearward and up into place.
Install wiper cowl screen panel.

Note
4x push clips, Secure cowl into lower windshield channel.
Secure cowl screen washer supply hose located above LH shock tower cover.

Note
1x hose.
Install LH outer hood hinge cover.

Note
1x clips.
Install RH outer hood hinge cover.

Note
1x clips.
Install RH wiper arm assembly and secure nuts.

Note
2x nuts, 15mm, 32 Nm, Line up wiper to reference mark on windshield.
Install LH wiper arm assembly and secure nut.

Note
1x nut, 15mm, 32 Nm.
Secure LH wiper arm hose nozzle.

Note
1x hose, Hose is routed above the arm pivot.
Secure RH wiper arm hose nozzle.

Note
1x hose, Hose is routed below the arm pivot.
Install RH wiper arm nut covers.

Note
2x cover.
Install LH wiper arm nut cover.

Note
1x cover.
Install frunk assembly.

Note
8x bolts, 10mm, 5 Nm.
Install frunk carpet.

Note
Verify carpet is properly seated under the seal.
Install frunk access panel.

Note
3x clips, 3x hooks, 1x connector.
Install front underhood apron.

Note
12x clips, 3x datums.
Install LH underhood apron.

Note
11x clips, 2 datums.
Install RH underhood apron.

Note
11x clips, 2x datums.
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 upper locking tab when fully seated.
Install rear underhood apron.

Note
11x clips, 2x datums.
Close hood.
Calibrate the rear doors.

Note
If the "Calibration Needed" message appears on the vehicle touchscreen, touch and hold Calibrate to calibrate the rear doors.

Model X Service Manual

Check Valve - Evaporator (Remove and Replace)

Remove

Install

Figure 1

Figure 2

Figure 3