2026-01-12

Gearbox Fluid - Rear Drive Unit (4DU) (Drain And Refill) (Maintenance)

Code de correction 40300122 0.48 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.

  • 2025-12-29: Released new procedure.

Retirer

  1. Raise and support the vehicle. See Soulever le véhicule - pont élévateur à 2 poteaux.
  2. Remove the rear aero shield. See Aero Shield - Rear (Remove and Replace).
  3. Disconnect the oil pump connector.
  4. Position an oil drain container under the rear of the vehicle.
  5. Remove the fill plug from the rear drive unit.
  6. Release the oil drain plug from the rear drive unit.
  7. Connect 12V power to an oil pump switch box.
  8. Connect the oil pump switch box to the oil pump connector.
  9. Run the oil pump for 1 minute and drain remaining oil from the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Run the pump and allow the full capacity of oil to be drained from the rear drive unit. The pump speed increases when it runs dry. Do not run the pump for more than 10 seconds when it is running dry.
  10. Disconnect the oil pump switch box from the oil pump.

Installer

  1. Install the oil drain plug onto the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Make sure that the O-ring is not damaged. Replace the plug as needed.
  2. Set up the fill kit with KAF1.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Fill a measuring container to 2.5 ltr. The 4DU rear drive unit will take 2.3 ltr of fluid, but add extra oil to container as it will prevent underfill and additional air being introduced. Only use KAF1 fluid for the 4DU rear drive unit, and do not interchange or mix oil types.
  3. Install the fluid transfer pump.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Trim both input and output hoses to 26". Insert output hose into fill hole until fully seated, then pull back 5 mm.
  4. Perform the oil filling process.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Place the fluid container in the drain basket, fully submerge input hose, and then prime the pump.
  5. Pump fluid into the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Fill specification for the 4DU is 2.3 ltr. The excess gearbox fluid in the fill container allows the oil pump to dispense the full 2.3L without drawing air. Make sure that there is less than 200 ml left when completed.
  6. Install the oil drain plug onto the rear drive unit.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    Make sure that the O-ring is not damaged. Replace the plug as needed.
  7. Spray the working area with brake cleaner and wipe residual fluid off with a shop towel.
  8. Remove the oil drain container from underneath the rear drive unit.
  9. Connect the oil pump connector.
  10. Install the rear aero shield. See Aero Shield - Rear (Remove and Replace).
  11. Enable Service Mode Plus. See Mode Entretien Plus.
  12. Exécutez la routine ODIN TEST-SELF_DIR_X_OIL-PUMP-PRESSUREvia Toolbox:(link).
  13. Remove the laptop from the vehicle.
  14. Exit Service Mode Plus. See Mode Entretien Plus.