Heat Exchanger - Front Drive Unit (Remove and Replace)

Correction code 3930100239301002
Parent topic: 3930 - Front Gearbox and Halfshafts

Remove

  1. Remove the front subframe assembly. See Subframe Assembly - Front (Dual Motor) (Remove and Install).
  2. Release the clip that connects the front drive unit inverter-heat exchanger hose to the heat exchanger coolant inlet.
  3. Release the clips that attach the front drive unit inverter-heat exchanger hose to the exterior of the front drive unit, and then move the hose aside.
  4. Remove the bolts that attach the heat exchanger to the inverter.
    Torque 5 Nm + 30 degrees
    Note: Place a shop towel underneath the heat exchanger to catch any escaping fluids.
  5. Remove the heat exchanger from the front drive unit assembly.
    Caution:
    Do not pry against the front drive unit or heat exchanger with tools. Gently wiggle the heat exchanger to free it from the front drive unit.
1Remove the front subframe assembly. See Subframe Assembly - Front (Dual Motor) (Remove and Install).
2Release the clip that connects the front drive unit inverter-heat exchanger hose to the heat exchanger coolant inlet.
3Release the clips that attach the front drive unit inverter-heat exchanger hose to the exterior of the front drive unit, and then move the hose aside.
4Remove the bolts that attach the heat exchanger to the inverter.
Torque 5 Nm + 30 degrees
Note: Place a shop towel underneath the heat exchanger to catch any escaping fluids.
5Remove the heat exchanger from the front drive unit assembly.
Caution:
Do not pry against the front drive unit or heat exchanger with tools. Gently wiggle the heat exchanger to free it from the front drive unit.

Install

Installation procedure is the reverse of removal.

Caution:
Perform a push-pull test to verify that the hose is fully seated.