12/11/2024 06:45:17

A/C Line - Supermanifold to HVAC (Remove and Replace)

Correction code 18201702 2.20 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.

Remove

  1. 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.
  2. Skip the following panels when prompted.
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    Note
    Use selections indicated in pictures.
  3. 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.
  4. Raise and support vehicle.
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    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.
  5. 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 .
  6. Open hood.
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    Note
    Via center display > Quick Controls > Frunk Open.
  7. Power off vehicle via center display.
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    Note
    Controls > Safety & Security > Power Off.
  8. Remove rear underhood apron.
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    Note
    11x clips.
  9. 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.
  10. 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.
  11. 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.
  12. Remove clips securing mid aero shield.
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    Note
    4x push clips.
  13. Remove bolts securing mid aero shield and remove from vehicle.
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    Note
    16x bolts, 10mm, 6 Nm.
  14. Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
  15. Remove the leather glove protectors and HV insulating gloves.
  16. Apply Loctite 222 onto mid aero shield bolts and install fasteners securing mid aero shield to vehicle.
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    Note
    16x bolts, 10mm, 6 Nm.
  17. Install clips securing mid aero shield.
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    Note
    4x push clips.
  18. 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.
  19. 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.
  20. Remove LH underhood apron.
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    Note
    11x clips, 2x datums, Remove brush clip at hinge cover first, Take note of clip at headlamp.
  21. Remove front underhood apron.
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    Note
    12x clips, 3 datums.
  22. Remove frunk access panel.
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    Note
    3x clips, 3x hooks, 1x connector.
  23. Remove frunk carpet.
  24. Remove frunk assembly.
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    Note
    8x bolts, 10mm, 5 Nm .
  25. Release RH wiper arm hose nozzle.
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    Note
    1x hose.
  26. Release LH wiper arm hose nozzle.
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    Note
    1x hose.
  27. Remove LH wiper arm nut cover.
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    Note
    1x cover.
  28. Remove RH wiper arm nut covers.
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    Note
    2x cover.
  29. 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.
  30. 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.
  31. Release cowl screen washer supply hose located above LH shock tower cover.
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    Note
    1x hose.
  32. Remove LH outer hood hinge cover.
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    Note
    1x clips.
  33. Remove RH outer hood hinge cover.
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    Note
    1x clips.
  34. Remove wiper cowl screen panel.
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    Note
    4x push clips, Pull cowl up out of lower windshield channel.
  35. Remove wiper module.
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    Note
    3x bolts, 10mm, 9 Nm, 1x connector, Rotate module forward and up to access connector.
  36. Remove caps from low side and high side AC ports.
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    Note
    2x caps.
  37. 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 .
  38. 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 .
  39. Remove retaining clip securing AC compressor logic harness to AC compressor HV harness bracket.
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    Note
    1x fir tree clip.
  40. Remove fastener securing AC compressor HV harness bracket to AC compressor .
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    Note
    1x bolt, 13mm, 9 Nm.
  41. Disconnect HV harness connector from AC compressor.
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    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.
  42. Remove AC compressor ground strap.
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    Note
    1x bolt, T25, 7 Nm.
  43. Release clip securing the coolant hose to the AC compressor bracket.
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    Note
    1x fir tree clip.
  44. Remove PT coolant pump from AC compressor bracket.
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    Note
    Slide pump assembly away from compressor off lower bracket.
  45. Release the HV heat pump bracket from the compressor eyelet.
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    Note
    1x tab, Release bracket tab and rotate rearward and up to clear compressor eyelet.
  46. Set HV heat pump bracket aside.
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    Note
    Negotiate underneath high pressure pipe.
  47. Remove AC hoses from vehicle.
  48. Release compressor bracket from multi-system beam.
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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, Place fender cover on fan housing and gently place AC compressor assembly down.
  49. Remove Penta HVAC line from HVAC assembly.
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    Note
    2x bolts, 13mm, 22 Nm.
  50. Remove nut securing Penta HVAC line assembly to the Supermanifold plate.
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    Note
    1x nut, 13mm, 27 Nm, Located under multi-system beam.
  51. Remove Penta HVAC line from the Supermanifold plate.
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    Note
    Located under multi-system beam, Move line rearward until Penta HVAC line stud clears Supermanifold plate, Place rag underneath line.
  52. Remove Penta HVAC line from vehicle.
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    Note
    Negotiate line around coolant reservoir.

Install

  1. Position Penta HVAC line into vehicle.
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    Note
    Negotiate around coolant reservoir.
  2. Install Penta HVAC line to the Supermanifold plate.
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    Note
    Located under multi-system beam, Ensure Penta HVAC line stud clears Supermanifold plate before engaging pipes.
  3. Install Penta HVAC line assembly nut to the Supermanifold plate.
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    Note
    1x nut, 13mm, 27 Nm, Located under multi-system beam.
  4. Install Penta HVAC line from HVAC assembly.
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    Note
    2x bolts, 13mm, 22 Nm.
  5. 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.
  6. Torque AC compressor bracket bolts to multi-system beam.
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 15mm, 31 Nm.
  7. Position HV heat pump bracket.
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    Note
    Negotiate underneath high pressure pipe.
  8. Secure HV heat pump bracket to AC compressor eyelet.
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    Note
    Ensure locking tab engages eyelet.
  9. 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.
  10. Install fastener securing AC compressor HV harness bracket to AC compressor .
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    Note
    1x bolt, 13mm, 9 Nm.
  11. Install AC compressor ground strap.
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    Note
    1x bolt, T25, 7 Nm.
  12. Secure PT coolant pump onto AC compressor bracket.
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    Note
    Slide pump assembly onto compressor lower bracket.
  13. Install clip securing the coolant hose to the AC compressor bracket.
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    Note
    1x fir tree clip.
  14. Connect AC hoses to vehicle.
  15. 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.
  16. Perform AC recharge.
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    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.
  17. 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.
  18. 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
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    Note
    Select ‘X’ at top right of window to close once complete.
  19. 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, 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.
  20. 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, .
  21. 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.
  22. Install caps onto AC ports.
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    Note
    2x caps.
  23. 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.
  24. Power off vehicle via center display.
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    Note
    Controls > Safety & Security > Power Off.
  25. 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.
  26. 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.
  27. Install wiper cowl screen panel.
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    Note
    4x push clips, Secure cowl into lower windshield channel.
  28. Secure cowl screen washer supply hose located above LH shock tower cover.
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    Note
    1x hose.
  29. Install LH outer hood hinge cover.
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips.
  30. Install RH outer hood hinge cover.
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clips.
  31. Install RH wiper arm assembly and secure nuts.
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    Note
    2x nuts, 15mm, 32 Nm, Line up wiper to reference mark on windshield.
  32. Install LH wiper arm assembly and secure nut.
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    Note
    1x nut, 15mm, 32 Nm.
  33. Secure LH wiper arm hose nozzle.
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    Note
    1x hose, Hose is routed above the arm pivot.
  34. Secure RH wiper arm hose nozzle.
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    Note
    1x hose, Hose is routed below the arm pivot.
  35. Install RH wiper arm nut covers.
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    Note
    2x cover.
  36. Install LH wiper arm nut cover.
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    Note
    1x cover.
  37. Install frunk assembly.
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    Note
    8x bolts, 10mm, 5 Nm.
  38. Install frunk carpet.
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    Note
    Verify carpet is properly seated under the seal.
  39. Install frunk access panel.
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips, 3x hooks, 1x connector.
  40. Install front underhood apron.
    Informational PurposesAn informational icon, calling your attention
    Note
    12x clips, 3x datums.
  41. Install LH underhood apron.
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    Note
    11x clips, 2 datums.
  42. Install RH underhood apron.
    Informational PurposesAn informational icon, calling your attention
    Note
    11x clips, 2x datums.
  43. 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.
  44. Install rear underhood apron.
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    Note
    11x clips.
  45. Close hood.
  46. Remove vehicle from lift.
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    Note
    Lower rack arms fully and remove them from under vehicle, Remove air suspension from "Jack Mode".
  47. Calibrate the rear doors.
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    Note
    If the "Calibration Needed" message appears on the vehicle touchscreen, touch and hold Calibrate to calibrate the rear doors.