25/03/2024 17:23:19

Hose - Outlet - Rear Drive Unit (3DU) (Remove and Replace)

Correction code 18302502 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 wearing proper PPE when performing the below procedure. 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 wearing proper PPE when performing the below 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
  2. Open LH front door
  3. Lower LH front window
  4. Open hood
    Informational PurposesAn informational icon, calling your attention
    Note
    Press "Open" button on touchscreen to release latch, Lift lid manually
  5. Remove rear apron
    Informational PurposesAn informational icon, calling your attention
    Note
    12x clips, Only store rear apron visible face upwards
  6. Remove cabin intake upper duct assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips, Some configurations may come with 4x clips
  7. Power off vehicle from center display
    Informational PurposesAn informational icon, calling your attention
    Note
    Via Controls > Safety > Power Off, Select Power Off button at warning dialogue box
  8. Disconnect 12V negative terminal
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 10mm, 6 Nm, Ensure vehicle is in park, climate control system is off, and vehicle is not charging before disconnecting 12V
  9. Disconnect first responder loop
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Release locking tab
  10. Close LH front door
  11. Raise vehicle fully and lower lift onto locks
    Informational PurposesAn informational icon, calling your attention
    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, Verify doors are clear of surrounding objects
  12. Remove mid aero shield
    Informational PurposesAn informational icon, calling your attention
    Note
    13x bolts, 10mm, 5 Nm
  13. Release clips securing coolant hoses to LH shear plate
    Informational PurposesAn informational icon, calling your attention
    Note
    2x fir tree clips
  14. Release LH side hose clip from rear battery skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    2x clips, Clip quantity may vary on older vehicles
  15. Release RH side hose clips from rear battery skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    2x fir tree clips
  16. Release clips securing coolant hoses to RH shear plate
    Informational PurposesAn informational icon, calling your attention
    Note
    2x fir tree clips
  17. Remove lower bolts securing HV battery rear skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 13 Nm, Older vins may be equipped with additional fastener count
  18. Remove upper nut securing HV battery rear skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 10mm, 13 Nm, Fastener count may vary on older built vehicles
  19. Remove upper bolts securing HV battery rear skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    4x bolts, 13mm, 35 Nm
  20. Remove HV battery rear skid plate enclosure
  21. Position coolant drain container underneath RH rear of vehicle
  22. Disconnect RDU outlet hose from PT return tube and plug both hose ends
    Informational PurposesAn informational icon, calling your attention
    Note
    1x spring clip, 2x plugs, Lower hose located at RH rear of HV battery, Use shop towel to clean any residue coolant if necessary, Coolant loss greater than 1 L will require vacuum fill
  23. Release coolant outlet hose from RDU heat exchanger
    Informational PurposesAn informational icon, calling your attention
    Note
    1x spring clip
  24. Release coolant outlet hose clip from RDU heat exchanger
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip
  25. Remove the outlet hose clips from RDU assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips
  26. Remove RDU outlet hose from RDU assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    Gently wiggle hose out from the subframe
  27. Install RDU outlet hose to RDU assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    Gently install the hose to the subframe
  28. Install RDU outlet hose to RDU heat exchanger
    Informational PurposesAn informational icon, calling your attention
    Note
    2x clips, 1x Plug, Remove plug from heat exchanger, Perform push-pull-push test to make sure hose is fully engaged, Clean excess coolant from area
  29. Secure RDU outlet hose onto RDU assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    3x fir tree clips. Reach into the gap between the subframe and the RDU by hand or with a long screwdriver
  30. Remove hose plugs and connect RDU outlet hose to PT return tube
    Informational PurposesAn informational icon, calling your attention
    Note
    1x spring clip, 2x plugs, Perform push-pull-push test to make sure hose is fully engaged, Use shop towel to clean any coolant residue if necessary, Loss of coolant greater than 1L requires coolant vacuum fill
  31. Remove coolant drain container from underneath vehicle
  32. Position HV battery rear skid plate enclosure onto HV battery for installation
    Informational PurposesAn informational icon, calling your attention
    Note
    Recommend assistance if needed
  33. Install upper bolts securing HV battery rear skid plate enclosure hand tight
    Informational PurposesAn informational icon, calling your attention
    Note
    4x bolts, 13mm, 35 Nm, Torque at later step
  34. Install upper nut securing HV battery rear skid plate enclosure hand tight
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 10mm, 13 Nm, Torque at later step
  35. Install lower bolts securing HV battery rear skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, EP10, 13 Nm, Earlier vins may be equipped with additional bolts
  36. Torque bolts securing HV battery rear skid plate enclosure to vehicle
    Informational PurposesAn informational icon, calling your attention
    Note
    4x bolts, 13mm, 35 Nm
  37. Torque upper nut securing HV battery rear skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 10mm, 13 Nm
  38. Install clips securing coolant hoses to RH shear plate
    Informational PurposesAn informational icon, calling your attention
    Note
    2x fir tree clips
  39. Install RH side hose clips to HV battery rear skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    2x fir tree clips
  40. Install LH side hose clip to HV battery rear skid plate enclosure
    Informational PurposesAn informational icon, calling your attention
    Note
    2x clips, Clip quantity may vary on older vehicles
  41. Install clips securing coolant hoses to LH shear plate
    Informational PurposesAn informational icon, calling your attention
    Note
    2x fir tree clips
  42. Apply Loctite 222 onto mid aero shield bolts and install mid aero shield
    Informational PurposesAn informational icon, calling your attention
    Note
    13x bolts, 10mm, 5 Nm
  43. Lower vehicle until tires are touching 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
  44. Remove coolant bottle cap
  45. Connect first responder loop
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Engage locking tab, Connect FRL before connecting 12V to avoid damage to car computer
  46. Connect 12V negative terminal
    Informational PurposesAn informational icon, calling your attention
    Note
    1x nut, 10mm, 6 Nm
  47. Connect to vehicle using Toolbox 3.0
    Informational PurposesAn informational icon, calling your attention
    Note
    Vehicle connection is integrated into drivers footwell cover, Open 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)If RJ45 ethernet diagnostic connector present connect directly from laptop using an RJ45 Ethernet cable
  48. Select ‘Actions/Autodiag’ tab and search for ‘Purge'
  49. Select ‘TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGEvia Toolbox: (link)via Service Mode:
    • Thermal ➜ Actions ➜ Coolant Purge Stop or Coolant Purge Start
    • Thermal ➜ Coolant System ➜ Coolant Purge Start
    via Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Coolant Air Purge
    ’, click ‘Run’, and allow routine to complete
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure vehicle is not in drive state, Plan is still running despite the stop message, Coolant pumps will be audible, Test lasts approximately 10 mins, Speeds can be monitored in garage under PT Thermal tab, Idle speed = ~1500 RPM, Test will vary speeds from 3500-6500 RPM and actuate valve between SERIES and PARALLEL, Putting vehicle into drive state will stop this routine, If speeds hover at 7000 RPM, that means the pumps are air locked, perform vacuum fill again, Continue to add coolant and purge until the coolant level reaches between the NOM and MAX Lines on the bottle, Select ‘X’ at top right of window to close once complete
  50. Remove HSD or RJ45 cable from Ethernet port to disconnect Toolbox 3.0 from vehicle
  51. Inspect coolant level and top off as necessary
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure that fluid level is at Max line
  52. Install coolant bottle cap
  53. Install cabin intake upper duct assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips, Some configurations may come with 4x clips
  54. Install rear apron
    Informational PurposesAn informational icon, calling your attention
    Note
    12x clips
  55. Close hood
  56. Remove vehicle from lift
    Informational PurposesAn informational icon, calling your attention
    Note
    Lower rack arms fully and remove from under vehicle