2026-07-02

Hose - Chiller to HV Battery (Heat Pump) (Dual Motor) (Remove and Replace)

Code de correction 18302412 FRT 2.16 REMARQUE : À moins d’indications explicites contraires dans la procédure, le code de correction et le temps forfaitaire indiqués ci-dessus représentent tout le travail à être fait pour cette procédure, notamment les procédures connexes. N’appliquez pas plusieurs codes de correction à la fois, à moins qu’il vous soit explicitement indiqué de le faire. REMARQUE : Consultez Temps forfaitaires pour en apprendre plus à propos des temps forfaitaires et de leur création. NOTE : Consultez Protection individuelle pour vous assurer de porter l’équipement de protection individuelle adéquat lorsque vous effectuez la procédure ci-dessous. REMARQUE : Voir Précautions ergonomiques pour consulter les pratiques de travail sécuritaires et saines.

  • 2026-06-24: Released new procedure.

Remove

  1. Put the vehicle on a 2 post lift. See Soulever le véhicule - pont élévateur à 2 poteaux.
  2. Open all doors and lower the windows.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Latch the rear doors to prevent accidental closure after the vehicle is powered off.
  3. Remove the 2nd row seat cushion. See Coussin de siège - inférieur - appuie-tête - 2e rangée (retirez et remplacez).
  4. Remove the rear underhood apron. See Tablier sous le capot - arrière (retirez et remplacez).
  5. Enable Service Mode. See Mode Entretien.
  6. Unlock the vehicle Gateway. See Passerelle (déverrouiller).
  7. On the touchscreen, touch Service Mode > Thermal > Coolant System > Coolant Fill/Drain, touch Run, and allow the routine to complete.
  8. Disconnect 12V/LV power. See Alimentation 12 V/BT (déconnectez et connectez).
  9. Lock steering wheel into position.
  10. Perform the vehicle HV disablement procedure. See Procédure de désactivation HT du véhicule.
  11. Remove the clips (x3 or 4) that attach the cabin intake upper duct assembly.
  12. Remove the underhood storage unit. See Unité de rangement sous le capot (retirez et remplacez).
  13. Remove and discard the bolt that attaches the steering gear assembly to intermediate shaft assembly.
  14. Slide the electric steering column upward to remove it from the steering gear assembly.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    You may need to wiggle or use a dead blow hammer to help separate.
  15. Remove the cowl screen panel. See Panneau - Écran d’auvent (retrait et remplacement).
  16. Remove the fresh air intake duct. See Conduit - admission d’air frais (retirez et remplacez).
  17. Remove the 12V/LV battery. See 12 V /BT batterie (retirez et remplacez).
  18. Remove the coolant bottle cap.
  19. Place a fluid extractor in front of the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Set Mityvac to evacuate.
  20. Evacuate coolant from the coolant bottle.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Place evacuation hose in bottle at left front corner to remove as much fluid as possible, pump fluid into Mityvac evacuator.
  21. Remove the front aero shield panel. See Panneau - écran aérodynamique - avant (retirez et remplacez).
  22. Position a coolant drain container below the HV battery front manifold hose.
  23. Disconnect the FDU inverter inlet hose from the fluid coupling.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Plug the hose end and fluid coupling.
  24. Release the FDU inverter inlet hose from the FDU.
  25. Release the HV battery front manifold hose from the body.
  26. Disconnect the HV battery front manifold hose and plug both hose ends.
  27. Remove the bolt that attaches the FDU HV harness to the FDU.
  28. Disconnect the FDU HV harness connector.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Release the locking tab and rotate the release lever up to disengage the connector. Do not force the release lever up. Make sure that the alignment tabs on the FDU header are not damaged.
  29. Remove the bolt that attaches the FDU ground strap to the FDU.
  30. Release the FDU ground strap harness clip from the FDU.
  31. Slide the intermediate shaft towards the rear of the vehicle.
  32. Position a stand to support the LH side of the FDU.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    This will allow the LH side mount bolt to be backed out with ease.
  33. Back out the bolt until the backside is flush with the subframe.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    By backing this bolt out, it allows for clearance between the subframe and the bulkhead when removing and installing the hose from/to the vehicle. DO NOT fully remove the bolt. This way, the FDU can continue to be supported.
  34. Remove the stand from below the FDU.
  35. Position a coolant catcher underneath the front of the vehicle.
  36. Remove the coolant bottle from the supermanifold. See Bouteille de liquide de refroidissement - (pompe à chaleur) (retirez et remplacez).
  37. Remove the bolts that attach the shock tower brace to the LH and RH shock tower.
  38. Move the shock tower brace assembly forward to gain clearance.
  39. Remove the retaining clip that attaches the A/C compressor HV harness to the front harness guide cover.
  40. Release the hose clip from below the RH side of the 12V beam.
  41. Remove the bolts (x2) that attach the 12V beam to the body.
  42. Disconnect the thermal sub-harness from the front controller.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Depress locking tab and rotate to release.
  43. Remove the bolts (x3) that attach the front controller to the body.
  44. Tilt the front controller forward for access.
  45. Remove the bolt and clip that attach the ground cable to the rear side of the front controller.
  46. Put absorbent material below the car computer coolant hose connection points to collect any spilled coolant.
  47. Disconnect and plug the outer coolant hose to the car computer mount.
  48. Disconnect the inner coolant hose to car computer mount.
  49. Install the car computer coolant plug.
  50. Release the hose clips from the RH side of the bulkhead.
  51. Release the hose clip from the LH side of the bulkhead.
  52. Remove the chiller to battery hose from the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Remove hose from the RH side of the vehicle. Gently maneuver the hose as needed to clear any surrounding objects.

Install

  1. Position the chiller to battery hose to the vehicle for installation.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Feed hose into position from the RH side of the vehicle along the bulkhead. Gently maneuver the hose as needed to clear any surrounding objects.
  2. Raise the vehicle.
  3. Position a coolant drain container below the HV battery front manifold hose.
  4. Remove the plugs, and then connect the HV battery front manifold hose.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Perform a push-pull-push test to make sure that the hose is fully engaged.
  5. Install the clip that attaches the HV battery front manifold hose to the body.
  6. Install the clip that attaches the FDU inverter inlet hose.
  7. Remove the plug from the fluid coupling and connect the FDU inverter inlet hose.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Perform a push-pull-push test to make sure that the hose is fully engaged.
  8. Remove the coolant drain container from underneath the vehicle.
  9. Position a stand to support the LH side of the FDU.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    This will allow LH side mount bolt to be backed in with ease.
  10. Install the LH FDU mounting bolt.
    105 Nm (77.4 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Using a 3/8 Dr. ratchet with adapter will ease torquing as space is limited.
  11. Remove the stand from below the FDU.
  12. Slide the intermediate shaft towards the front of the vehicle.
  13. Attach the FDU ground strap harness clip to the FDU.
  14. Install the bolt that attaches the FDU ground strap to the FDU.
    6 Nm (4.4 lbs-ft)
  15. Connect the FDU HV harness connector to the FDU.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Make sure that the lever is in the upright and open position. Carefully seat the connector and allow the lever to engage. Fully install the lever and engage the red locking tab. Do not damage the connector or header.
  16. Install the bolt that attaches the FDU HV harness to the FDU.
    10 Nm (7.4 lbs-ft)
  17. Install the front aero shield panel. See Panneau - écran aérodynamique - avant (retirez et remplacez).
  18. Install the hose clip onto the LH side of the bulkhead.
  19. Install the hose clips onto the RH side of the bulkhead.
  20. Install the hose clip onto the bottom RH side of the 12V beam.
  21. Install the retaining clip that attaches the A/C compressor HV harness to the front harness guide cover.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Feed the harness down against the firewall of the vehicle to continue installation.
  22. Remove the coolant plug from the car computer.
  23. Connect the outer coolant hose to the car computer mount.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Perform a push-pull-push test to make sure that the hose is fully seated.
  24. Connect the inner coolant hose to the car computer mount.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Perform a push-pull-push test to make sure that the hose is fully seated.
  25. Remove the absorbent material from below the car computer coolant hose connection points.
  26. Install the bolt and clip that attach the ground cable to the rear side of the front controller.
    8.5 Nm (6.3 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Remarque
    1x bolt, 10mm, 8.5 Nm, 1x tab, 1x edge clip
  27. Install the harness guide and tilt the front controller backwards for installation.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    1x tab
  28. Install the bolts (x3) that attach the front controller to the body.
    10 Nm (7.4 lbs-ft)
  29. Connect the thermal sub-harness to the front controller.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Rotate fully to enable attaching the locking tab.
  30. Install the bolts (x2) that attach the 12V beam to the body.
    9 Nm (6.6 lbs-ft)
  31. Install the coolant bottle. See Bouteille de liquide de refroidissement - (pompe à chaleur) (retirez et remplacez).
  32. Position the shock tower brace assembly back for installation.
  33. Install the bolts that attach the shock tower brace to LH and RH shock tower.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    See image for torques.
  34. Install the 12V/LV battery. See 12 V /BT batterie (retirez et remplacez).
  35. Slide the intermediate shaft assembly downward to install it to the steering gear assembly.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Make sure that the intermediate shaft is aligned and fully seated.
  36. Install a new bolt that attaches the intermediate shaft to the steering gear assembly.
    18 Nm (13.3 lbs-ft)
  37. Install the fresh air intake assembly. See Conduit - admission d’air frais (retirez et remplacez).
  38. Install the cowl screen assembly and all parts removed to remove the cowl screen assembly. See Panneau - Écran d’auvent (retrait et remplacement).
  39. Install the underhood storage unit. See Unité de rangement sous le capot (retirez et remplacez).
  40. Connect 12V/LV power. See Unité de rangement sous le capot (retirez et remplacez).
  41. Remove the steering wheel holder.
  42. Perform a vacuum refill. See Système de refroidissement (remplissage sous vide).
  43. Inspect the coolant level and top off as necessary.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Make sure that the fluid level is at the MAX line.
  44. Enable Service Mode. See Mode Entretien.
  45. Access thermal system routines via UI
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Select Service mode > Thermal
  46. Exécutez la routine suivante au moyen du mode Entretien ou de Toolbox (consultez 0005 – Modes d’entretien) : PROC_VCFRONT_X_STOP-THERMAL-FILL-DRAINvia 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
    via Toolbox:(link)
  47. Exécutez la routine suivante au moyen du mode Entretien ou de Toolbox (consultez 0005 – Modes d’entretien) : TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGEvia 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
    via Toolbox:(link)
  48. Exit Service Mode. See Mode Entretien.
  49. Install the coolant reservoir cap.
  50. Install the clips (x3 or 4) that attach the cabin intake upper duct assembly.
  51. Install the rear apron. See Tablier sous le capot - arrière (retirez et remplacez).