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Home >> Fiat >> 2014 >> 500c Abarth >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Electric Powertrain System - 500E) >> Electric Vehicle Drive Unit >> Unit, Electronic Drive >> Removal >> Removal

Unit, Electronic Drive: Removal: Removal

WARNING: This page is about a different car, the 2014 Fiat 500e. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

When performing any repairs that involve contact with high voltage components or systems, the technician performing repairs on the vehicle must verify that the system remains powered down during high voltage repairs.

  • This must be done by removing the service disconnect.
  • The high voltage check out procedure must also be performed to ensure that the vehicle is properly powered down.
  • The technician must know the whereabouts of the service disconnect throughout the repair.
  • The technician must ensure that no one reconnects the service disconnect while service is being performed.
  • The technician must recheck that the service disconnect has not been reinstalled in cases where the vehicle was unattended.
  1. Power down the high-voltage system. Refer to ELECTRIC VEHICLE CONTROL SYSTEM, STANDARD PROCEDURE .

    .

  2. Remove the 12-volt battery and battery tray. Refer to TRAY, BATTERY, REMOVAL .

    .

  3. Remove the RH front wheelhouse splash shield. Refer to SHIELD, SPLASH, FRONT WHEELHOUSE, REMOVAL .
    Fig 1: Cross Car Cradle Brace & Fasteners
    GC0157943Courtesy of CHRYSLER GROUP, LLC
  4. Remove the four underbody brace bolts (1), and remove the underbody brace (2).
    Fig 2: Washer Bottle Bolts
    GC0157809Courtesy of CHRYSLER GROUP, LLC
  5. Remove the two washer bottle bolts (1) and position the washer bottle aside.
    Fig 3: Battery Coolant Heater (BCH) Nuts & Ground Strap Bolt
    GC0157840Courtesy of CHRYSLER GROUP, LLC
  6. Remove the battery coolant heater (BCH) ground strap bolt (1).
  7. Remove the two BCH nuts (2).
    Fig 4: Halfshaft & Inner CV Joint Bolts
    GC0157673Courtesy of CHRYSLER GROUP, LLC
  8. Remove the RH and LH half shaft flange bolts (2) at the EDU, and detach the half shafts (1) from the EDU
    Fig 5: Power Electronics Coolant Hose Clamps
    GC0157766Courtesy of CHRYSLER GROUP, LLC
  9. Using suitable hose pinching pliers, clamp-closed the power electronics coolant hoses at the electric motor.
  10. Release the two power electronics coolant hose clamps (1) and disconnect the two power electronics coolant hoses from the electric motor.
    Fig 6: 3-Phase Wire Harness Connector
    GC0157883Courtesy of CHRYSLER GROUP, LLC
  11. Disconnect the electric motor high-voltage electrical connector (1).
    Fig 7: RH Motor Mount Ground Strap Bolt
    GC0157887Courtesy of CHRYSLER GROUP, LLC
  12. Remove the ground strap bolt (1) at the front of the RH motor mount.
    Fig 8: Temperature Sensor & Resolver Electrical Connectors
    GC0157589Courtesy of CHRYSLER GROUP, LLC
  13. Disconnect the temperature sensor electrical connector (1), and the resolver electrical connector (2).
  14. Disconnect the Park Lock Motor electrical connector.
  15. Install a suitable transmission jack to the electric drive unit (EDU), or position a suitable lifting table below the EDU.
    Fig 9: LH Motor Mount Through-Bolt
    GC0157666Courtesy of CHRYSLER GROUP, LLC
  16. Remove the LH motor mount through-bolt (1).
    Fig 10: RH Front Motor Mount Through-Bolt
    GC0157753Courtesy of CHRYSLER GROUP, LLC
  17. Remove the RH front motor mount through-bolt (1).
    Fig 11: Lower Mount Through-Bolt
    GC0157936Courtesy of CHRYSLER GROUP, LLC
  18. Remove the center, lower mount through-bolt (1).
  19. Lower and remove the EDU.
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