23/05/2024 09:46:19

A/C Refrigerant (Unknown Oil Quantity) (Recovery, Flush, and Recharge)

Correction code 18200112 2.75 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.

  • 2023-06-22: Added link to vehicle electrical isolation procedure.
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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.
  1. Raise and support vehicle
    Informational PurposesAn informational icon, calling your attention
    Note
    Set air suspension to "Jack Mode", Position lift arm pads on vehicle jack pads, DO NOT position the lift arm pads under the battery or side rails, as shown in red
  2. Open LH front door
  3. Lower LH and RH front windows
  4. Turn HVAC on, Turn AC off and set the Blower Speed to 10. Set the Temperature to HI and run for 10 minutes
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    Note
    This will clear most of the oil out of the cabin condenser
  5. Open hood
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    Note
    Via center display > Quick Controls > Frunk Open
  6. Remove rear underhood apron
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    Note
    11x clips
  7. Remove RH underhood apron
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    Note
    11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp
  8. Remove LH underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp
  9. Remove front underhood apron
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    Note
    12x clips, 3 datums
  10. Remove frunk access panel
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    Note
    3x clips, 3x hooks, 1x connector
  11. Remove frunk carpet
  12. Remove frunk assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    8x bolts, 10mm, 5 Nm
  13. Turn off the HVAC and let it sit for 1 minute
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    Note
    Make sure both compressor and blower are off, this allows refrigerant inside cabin condenser to return to the accumulator
  14. Turn the HVAC back on, Turn the AC on, set the Blower Speed to 10 and the Temperature to LO, run the HVAC for 10 minutes
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    Note
    This step will clear most of the oil out of the evaporator
  15. Connect A/C machine to power and switch on
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    Note
    Touch time only, Machine will run various background tasks, Wait until Main Menu comes up before continuing
  16. Skip the following panels when prompted
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    Note
    Use selections indicated in pictures
  17. Perform hose flush
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    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
  18. Release RH wiper arm hose nozzle
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    Note
    1x hose
  19. Release LH wiper arm hose nozzle
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    Note
    1x hose
  20. Remove LH wiper arm nut cover
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    Note
    1x cover
  21. Remove RH wiper arm nut covers
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    Note
    2x cover
  22. Remove RH wiper arm nuts and release assembly
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    Note
    2x nuts, 15mm, 32 Nm, Do not flex wiper arm to remove
  23. Remove LH wiper arm nut and release assembly
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    Note
    1x nut, 15mm, 32 Nm, Do not flex wiper arm to remove, Lower the hood slightly to fit wiper arm removal tool
  24. Release cowl screen washer supply hose located above LH shock tower cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x hose
  25. Remove LH outer hood hinge cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips
  26. Remove RH outer hood hinge cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips
  27. Remove wiper cowl screen panel
    Informational PurposesAn informational icon, calling your attention
    Note
    4x push clips, Pull cowl up out of lower windshield channel
  28. Turn off the AC and Blower motor
  29. Using laptop connect to vehicle with ethernet diag kit and Toolbox 3
  30. Select "Actions" tab and search for "Refrigerant"
  31. 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
    Informational PurposesAn informational icon, calling your attention
    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
  32. Power off vehicle via center display
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    Note
    Controls > Safety & Security > Power Off
  33. Disconnect LV battery connector and First Responder Loop
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    Note
    2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection
  34. Verify operation of multimeter
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    Note
    Set multimeter to DC voltage, Confirm multimeter is properly measuring voltage by testing LV battery, Touch lightly and do not damage terminals
  35. Raise vehicle fully and lower lift onto locks
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    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
  36. Remove clips securing mid aero shield
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    Note
    4x push clips
  37. Remove bolts securing mid aero shield and remove from vehicle
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    Note
    16x bolts, 10mm, 6 Nm
  38. Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
  39. Remove the leather glove protectors and HV insulating gloves
  40. Apply Loctite 222 onto mid aero shield bolts and install fasteners securing mid aero shield to vehicle
    Informational PurposesAn informational icon, calling your attention
    Note
    16x bolts, 10mm, 6 Nm
  41. Install clips securing mid aero shield
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    Note
    4x push clips
  42. Lower vehicle until tires are touching the ground
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    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  43. Remove wiper module
    Informational PurposesAn informational icon, calling your attention
    Note
    3x bolts, 10mm, 9 Nm, 1x connector, Rotate module forward and up to access connector
  44. Remove caps from low side and high side AC ports
    Informational PurposesAn informational icon, calling your attention
    Note
    2x caps
  45. Connect hoses to vehicle and perform A/C recovery
    Informational PurposesAn informational icon, calling your attention
    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
  46. Disconnect AC compressor logic connector
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    Note
    1x locking electrical connector, Do not push down on red tab, Pull to disengage lock, Pull again to release connector
  47. Remove retaining clip securing AC compressor logic harness to AC compressor HV harness bracket
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    Note
    1x fir tree clip
  48. Remove fastener securing AC compressor HV harness bracket to AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 13mm, 9 Nm
  49. Disconnect HV harness connector from AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    1x locking electrical connector, Move black locking tab away form the AC compressor, Push down on locking connector to release and pull straight out of socket
  50. Remove AC compressor ground strap
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, T25, 7 Nm
  51. Release clip securing the coolant hose to the AC compressor bracket
    Informational PurposesAn informational icon, calling your attention
    Note
    1x fir tree clip
  52. Remove PT coolant pump from AC compressor bracket
    Informational PurposesAn informational icon, calling your attention
    Note
    Slide pump assembly away from compressor off lower bracket
  53. Remove AC hoses from vehicle
  54. Remove nut securing supermanifold to compressor suction line to compressor and remove line
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 13mm, 22 Nm
  55. Remove nut securing supermanifold to compressor discharge line to compressor and remove line
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    Note
    1x nut, 13mm, 22 Nm
  56. Install AC flush adapters onto AC manifold to compressor lines
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    Note
    2x nuts, 13mm, 22 Nm, Install flush adapters onto suction and discharge lines on compressor side, Leave seal washers on AC manifold line, Inspect o-rings and replace if damaged, Use 13mm nuts from compressor to secure flush adapters
  57. Connect AC machine hoses to AC flush adapters and run System Flush procedure
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    Note
    Touch time only, System flush procedure runs for approximately 90 minutes, Must use Robinair 34988ni machine (R134a) to run system flush procedure, Minimum of 13lb of refrigerant needed in tank to run system flush procedure, On AC machine main menu click next, Click menu, Scroll down to system flush, Enter 30 min run time
  58. Remove AC compressor HV harness from the AC compressor and set aside
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    Note
    Move AC compressor HV harness bracket toward the front of the vehicle, Lift the bracket up to clear the upper bracket mount, Carefully set harness and bracket aside
  59. Remove the fasteners securing the AC compressor bracket to the multi-system beam and remove the AC compressor and AC compressor bracket assembly
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    Note
    2x bolts, 15mm, 31 Nm, Recommend assistance, Support the AC compressor while removing the fasteners, Carefully remove the AC compressor and AC compressor bracket towards the front of the vehicle and under the multi-system beam, Be cautious around the coolant hose and supermanifold harness
  60. Remove the AC compressor bracket from the AC compressor
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    Note
    3x bolts, 10mm, 9 Nm
  61. Protect the LP and HP opening ports on the AC compressor
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    Note
    Need to be fully covered when cleaning the AC compressor in next step
  62. Remove NVH acoustic cover from AC compressor
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    Note
    NVH acoustic cover must be removed to properly weigh compressor
  63. Remove NVH cover material from compressor
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    Note
    Remove as much material of the NVH acoustic cover as possible, Excessive material left on AC compressor will cause an inaccurate weight measurement
  64. Weigh compressor and reset compressor oil amount
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    Note
    Weight measured in grams, Take note of the compressor weight, Add ND-11 oil through suction port of compressor until it weighs 7193 grams
  65. Install NVH acoustic cover onto AC compressor
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    Note
    Install new NVH blanket or re-use old one if new one is not available and adhesive is in good working condition,_x000A_Remove adhesive backing, Lay NVH acoustic cover down with adhesive side facing up, Align cut outs of NVH acoustic cover to suction port on AC compressor, Install NVH acoustic cover around suction port on AC compressor then continue to wrap NVH acoustic cover around compressor
  66. Install the AC compressor bracket to the AC compressor
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    Note
    3x bolts, 10mm, 9 Nm
  67. Position AC compressor bracket assembly into vehicle and secure AC compressor assembly to multi-system beam
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 15mm, 31 Nm, Recommend assistance, Support the AC compressor while installing the fasteners, Carefully install the AC compressor and AC compressor bracket towards the rear of the vehicle and under the multi-system beam, Negotiate bracket around coolant hose and supermanifold harness, Hand start bolts
  68. Torque AC compressor bracket bolts to multi-system beam
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    Note
    2x bolts, 15mm, 31 Nm
  69. Secure HV heat pump bracket to AC compressor eyelet
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    Note
    Ensure locking tab engages eyelet
  70. Connect HV harness connector to AC compressor
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    Note
    1x locking electrical connector, 3 stage locking connector, After fully seating the connector onto the AC compressor engage the black locking tab by pushing toward the AC compressor, Perform push-pull-push test to ensure proper seating
  71. Install fastener securing AC compressor HV harness bracket to AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 13mm, 9 Nm
  72. Install AC compressor ground strap
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, T25, 7 Nm
  73. Secure PT coolant pump onto AC compressor bracket
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    Note
    Slide pump assembly onto compressor lower bracket
  74. Install clip securing the coolant hose to the AC compressor bracket
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    Note
    1x fir tree clip
  75. Disconnect AC machine hoses from AC flush adapters
  76. Remove AC flush adapters from supermanifold to compressor AC line assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    2x nuts, 13mm, 22 Nm
  77. Replace seal washer on supermanifold to compressor AC line assembly on compressor discharge line
    Informational PurposesAn informational icon, calling your attention
    Note
    1x seal washer, Lube seal washers with ND-11 oil
  78. Replace seal washer on supermanifold to compressor AC line assembly on compressor suction line
    Informational PurposesAn informational icon, calling your attention
    Note
    1x seal washer, Lube seal washers with ND-11 oil
  79. Install nut securing supermanifold to compressor discharge line to compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 13mm, 22 Nm, Inspect o-rings replace if damaged
  80. Install nut securing supermanifold to compressor suction line to compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 13mm, 22 Nm, Inspect o-rings replace if damaged
  81. Connect AC hoses to vehicle
  82. Perform AC vacuum and run leak test
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    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
  83. Perform AC recharge
    Informational PurposesAn informational icon, calling your attention
    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
  84. Connect First Responder Loop and LV battery connector
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    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
  85. Re-establish vehicle connection to Toolbox 3
  86. Select "Actions" and search for "Stop Thermal"
  87. Select "Stop Thermal Fluid Fill/Drain", click "Run", and allow routine to complete
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    Note
    Select "X" at top right of window to close once complete
  88. Select "Actions/Autodiag" and search for "Commissioning"
  89. 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
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    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
  90. Proceed with Hose Equalize steps to complete AC recharge process and follow instructions displayed on AC Machine
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    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,
  91. Proceed with Hose Equalize steps to complete AC recharge process and follow instructions displayed on AC Machine
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    Note
    Remove low side coupler from vehicle, Turn vehicle off, Verify Hose Equalize settings, Machine will chime once process is complete
  92. Install caps onto AC ports
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    Note
    2x caps
  93. Select "Actions/Autodiag" and search for "Thermal Performance"
  94. 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
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    Note
    Select "X" at top right of window to close once complete, If thermal test fails follow https://toolbox.teslamotors.com/articles/206000
  95. Disconnect Toolbox 3 from vehicle and remove laptop and ethernet diag kit
  96. Power off vehicle via center display
    Informational PurposesAn informational icon, calling your attention
    Note
    Controls > Safety & Security > Power Off
  97. Disconnect LV battery connector and First Responder Loop
    Informational PurposesAn informational icon, calling your attention
    Note
    2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection
  98. Install wiper module
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    Note
    3x bolts, 10mm, 9 Nm, 1x connector, Secure connector before install, Rotate module rearward and up into place
  99. Install wiper cowl screen panel
    Informational PurposesAn informational icon, calling your attention
    Note
    4x push clips, Secure cowl into lower windshield channel
  100. Secure cowl screen washer supply hose located above LH shock tower cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x hose
  101. Install LH outer hood hinge cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips
  102. Install RH outer hood hinge cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips
  103. Install RH wiper arm assembly and secure nuts
    Informational PurposesAn informational icon, calling your attention
    Note
    2x nuts, 15mm, 32 Nm, Line up wiper to reference mark on windshield
  104. Install LH wiper arm assembly and secure nut
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    Note
    1x nut, 15mm, 32 Nm
  105. Secure LH wiper arm hose nozzle
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    Note
    1x hose, Hose is routed above the arm pivot
  106. Secure RH wiper arm hose nozzle
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    Note
    1x hose, Hose is routed below the arm pivot
  107. Install RH wiper arm nut covers
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    Note
    2x cover
  108. Install LH wiper arm nut cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x cover
  109. Install frunk assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    8x bolts, 10mm, 5 Nm
  110. Install frunk carpet
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify carpet is properly seated under the seal
  111. Install frunk access panel
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips, 3x hooks, 1x connector
  112. Install front underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    12x clips, 3x datums
  113. Install LH underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips, 2 datums
  114. Install RH underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips, 2x datums
  115. Connect First Responder Loop and LV battery connector
    Informational PurposesAn informational icon, calling your attention
    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
  116. Install rear underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips
  117. Close hood
  118. Calibrate the rear doors.
    Informational PurposesAn informational icon, calling your attention
    Note
    If the "Calibration Needed" message appears on the vehicle touchscreen, touch and hold Calibrate to calibrate the rear doors.
  119. Raise LH and RH front windows
  120. Close LH front door