12/11/2024 06:27:05

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. Turn HVAC on, Turn AC off and set the Blower Speed to 10. Set the Temperature to HI and run for 10 minutes
    Informational PurposesAn informational icon, calling your attention
    Note
    This will clear most of the oil out of the cabin condenser
  3. Open hood
    Informational PurposesAn informational icon, calling your attention
    Note
    Via center display > Quick Controls > Frunk Open
  4. Remove rear underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips
  5. Remove RH 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
  6. 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
  7. Remove front underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    12x clips, 3 datums
  8. Remove frunk access panel
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips, 3x hooks, 1x connector
  9. Remove frunk carpet
  10. Remove frunk assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    8x bolts, 10mm, 5 Nm
  11. Turn off the HVAC and let it sit for 1 minute
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure both compressor and blower are off, this allows refrigerant inside cabin condenser to return to the accumulator
  12. 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
  13. 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
  14. Skip the following panels when prompted
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    Note
    Use selections indicated in pictures
  15. 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
  16. Release RH wiper arm hose nozzle
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    Note
    1x hose
  17. Release LH wiper arm hose nozzle
    Informational PurposesAn informational icon, calling your attention
    Note
    1x hose
  18. Remove LH wiper arm nut cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x cover
  19. Remove RH wiper arm nut covers
    Informational PurposesAn informational icon, calling your attention
    Note
    2x cover
  20. 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
  21. Remove LH wiper arm nut and release assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 15mm, 32 Nm, Do not flex wiper arm to remove, Lower the hood slightly to fit wiper arm removal tool
  22. Release cowl screen washer supply hose located above LH shock tower cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x hose
  23. Remove LH outer hood hinge cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips
  24. Remove RH outer hood hinge cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips
  25. Remove wiper cowl screen panel
    Informational PurposesAn informational icon, calling your attention
    Note
    4x push clips, Pull cowl up out of lower windshield channel
  26. Turn off the AC and Blower motor
  27. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-REFRIGERANTvia Toolbox: (link)
    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
  28. Power off vehicle via center display
    Informational PurposesAn informational icon, calling your attention
    Note
    Controls > Safety & Security > Power Off
  29. 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
  30. 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
  31. 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
  32. Remove clips securing mid aero shield
    Informational PurposesAn informational icon, calling your attention
    Note
    4x push clips
  33. Remove bolts securing mid aero shield and remove from vehicle
    Informational PurposesAn informational icon, calling your attention
    Note
    16x bolts, 10mm, 6 Nm
  34. Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
  35. Remove the leather glove protectors and HV insulating gloves
  36. 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
  37. Install clips securing mid aero shield
    Informational PurposesAn informational icon, calling your attention
    Note
    4x push clips
  38. Lower vehicle until tires are touching the ground
    Informational PurposesAn informational icon, calling your attention
    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  39. 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
  40. Remove caps from low side and high side AC ports
    Informational PurposesAn informational icon, calling your attention
    Note
    2x caps
  41. 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
  42. Disconnect AC compressor logic connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x locking electrical connector, Do not push down on red tab, Pull to disengage lock, Pull again to release connector
  43. Remove retaining clip securing AC compressor logic harness to AC compressor HV harness bracket
    Informational PurposesAn informational icon, calling your attention
    Note
    1x fir tree clip
  44. Remove fastener securing AC compressor HV harness bracket to AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 13mm, 9 Nm
  45. 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
  46. Remove AC compressor ground strap
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, T25, 7 Nm
  47. Release clip securing the coolant hose to the AC compressor bracket
    Informational PurposesAn informational icon, calling your attention
    Note
    1x fir tree clip
  48. 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
  49. Remove AC hoses from vehicle
  50. 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
  51. Remove nut securing supermanifold to compressor discharge line to compressor and remove line
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 13mm, 22 Nm
  52. Install AC flush adapters onto AC manifold to compressor lines
    Informational PurposesAn informational icon, calling your attention
    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
  53. Connect AC machine hoses to AC flush adapters and run System Flush procedure
    Informational PurposesAn informational icon, calling your attention
    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
  54. Remove AC compressor HV harness from the AC compressor and set aside
    Informational PurposesAn informational icon, calling your attention
    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
  55. Remove the fasteners securing the AC compressor bracket to the multi-system beam and remove the AC compressor and AC compressor bracket assembly
    Informational PurposesAn informational icon, calling your attention
    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
  56. Remove the AC compressor bracket from the AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    3x bolts, 10mm, 9 Nm
  57. Protect the LP and HP opening ports on the AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    Need to be fully covered when cleaning the AC compressor in next step
  58. Remove NVH acoustic cover from AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    NVH acoustic cover must be removed to properly weigh compressor
  59. Remove NVH cover material from compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    Remove as much material of the NVH acoustic cover as possible, Excessive material left on AC compressor will cause an inaccurate weight measurement
  60. 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
  61. Install NVH acoustic cover onto AC compressor
    Informational PurposesAn informational icon, calling your attention
    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
  62. Install the AC compressor bracket to the AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    3x bolts, 10mm, 9 Nm
  63. 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
  64. Torque AC compressor bracket bolts to multi-system beam
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 15mm, 31 Nm
  65. Secure HV heat pump bracket to AC compressor eyelet
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure locking tab engages eyelet
  66. 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
  67. Install fastener securing AC compressor HV harness bracket to AC compressor
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 13mm, 9 Nm
  68. Install AC compressor ground strap
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, T25, 7 Nm
  69. Secure PT coolant pump onto AC compressor bracket
    Informational PurposesAn informational icon, calling your attention
    Note
    Slide pump assembly onto compressor lower bracket
  70. Install clip securing the coolant hose to the AC compressor bracket
    Informational PurposesAn informational icon, calling your attention
    Note
    1x fir tree clip
  71. Disconnect AC machine hoses from AC flush adapters
  72. Remove AC flush adapters from supermanifold to compressor AC line assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    2x nuts, 13mm, 22 Nm
  73. 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
  74. 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
  75. 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
  76. 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
  77. Connect AC hoses to vehicle
  78. Perform AC vacuum and run leak test
    Informational PurposesAn informational icon, calling your attention
    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
  79. 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
  80. 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
  81. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): PROC_VCFRONT_X_STOP-THERMAL-FILL-DRAINvia 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
    Informational PurposesAn informational icon, calling your attention
    Note
    Select "X" at top right of window to close once complete
  82. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): 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
    Informational PurposesAn informational icon, calling your attention
    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
  83. Proceed with Hose Equalize steps to complete AC recharge process and follow instructions displayed on AC Machine
    Informational PurposesAn informational icon, calling your attention
    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,
  84. Proceed with Hose Equalize steps to complete AC recharge process and follow instructions displayed on AC Machine
    Informational PurposesAn informational icon, calling your attention
    Note
    Remove low side coupler from vehicle, Turn vehicle off, Verify Hose Equalize settings, Machine will chime once process is complete
  85. Install caps onto AC ports
    Informational PurposesAn informational icon, calling your attention
    Note
    2x caps
  86. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): TEST-SELF_VCFRONT_X_THERMAL-PERFORMANCEvia 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
    Informational PurposesAn informational icon, calling your attention
    Note
    Select "X" at top right of window to close once complete, If thermal test fails follow https://toolbox.teslamotors.com/articles/206000
  87. Power off vehicle via center display
    Informational PurposesAn informational icon, calling your attention
    Note
    Controls > Safety & Security > Power Off
  88. 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
  89. Install wiper module
    Informational PurposesAn informational icon, calling your attention
    Note
    3x bolts, 10mm, 9 Nm, 1x connector, Secure connector before install, Rotate module rearward and up into place
  90. Install wiper cowl screen panel
    Informational PurposesAn informational icon, calling your attention
    Note
    4x push clips, Secure cowl into lower windshield channel
  91. Secure cowl screen washer supply hose located above LH shock tower cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x hose
  92. Install LH outer hood hinge cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips
  93. Install RH outer hood hinge cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips
  94. 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
  95. Install LH wiper arm assembly and secure nut
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 15mm, 32 Nm
  96. Secure LH wiper arm hose nozzle
    Informational PurposesAn informational icon, calling your attention
    Note
    1x hose, Hose is routed above the arm pivot
  97. Secure RH wiper arm hose nozzle
    Informational PurposesAn informational icon, calling your attention
    Note
    1x hose, Hose is routed below the arm pivot
  98. Install RH wiper arm nut covers
    Informational PurposesAn informational icon, calling your attention
    Note
    2x cover
  99. Install LH wiper arm nut cover
    Informational PurposesAn informational icon, calling your attention
    Note
    1x cover
  100. Install frunk assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    8x bolts, 10mm, 5 Nm
  101. Install frunk carpet
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify carpet is properly seated under the seal
  102. Install frunk access panel
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips, 3x hooks, 1x connector
  103. Install front underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    12x clips, 3x datums
  104. Install LH underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips, 2 datums
  105. Install RH underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips, 2x datums
  106. 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
  107. Install rear underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips
  108. Close hood
  109. 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.
  110. Raise LH and RH front windows
  111. Close LH front door