20/03/2020 13:50:39

Mount - Front Drive Unit - LH (2nd Generation) (Remove and Replace)

Correction Code 39012702

Removal

This procedure is for vehicles built after April 24, 2019. For vehicles built through April 24, 2019, see Mount - Front Drive Unit - LH (1st Generation) (Remove and Replace).
  1. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  2. Remove the LH and RH underhood aprons. See Underhood Apron - LH (Remove and Replace).
  3. Remove the front underhood apron. See Underhood Apron - Front (Remove and Replace).
  4. Remove the HEPA filter inlet duct. See Duct - HEPA Filter - Inlet (Remove and Replace).
  5. Remove the HEPA filter outlet duct. See Duct - HEPA Filter - Outlet (Remove and Replace).
  6. Remove the underhood storage carpet. See Carpet - Underhood Storage (Remove and Install).
  7. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Install).
  8. Disconnect 12V power. See Disconnect 12V Power.
  9. Remove the 12V auxiliary battery. See Battery - Auxiliary - 12V (Remove and Replace).
  10. Remove the 12V auxiliary battery bracket beam. See 12V Battery Bracket Beam (Remove and Replace).
  11. Disconnect the steering rack electrical connectors (x2).
    Informational PurposesAn informational icon, calling your attention
    Note
    Disengage the red locking tab before disconnecting the steering rack electrical connectors.
  12. Disconnect the gray electrical connector from the steering rack logic using a small flat head screwdriver.
  13. Remove the bolts (x2) that attach the 4-way assembly to the bracket.
  14. Remove the bolts (x2) that attach the 4-way valve bracket to the frame rail, and then remove the bracket from the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Remove the bracket from the vehicle only while leaving the 4-way valve in the vehicle.
  15. Remove the upper bolt that attaches the LH front drive unit mount to the front drive unit assembly.
  16. Remove the HV battery assembly. See HV Battery (RWD/AWD) (Remove and Install).
  17. Remove the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  18. Support the LH side of the front drive unit assembly using a 3/4 ton underhoist stand.
  19. Remove the bolts (x2) that attach the clevis mount to the LH front drive unit mount.
    Informational PurposesAn informational icon, calling your attention
    Note
    Feed the socket ratchet above the 4-way valve to access the bolts.
  20. Remove the bolts (x2) that attach the clevis to the body, and then remove the mount assembly from the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Maneuver the mount around the steering shaft assembly to remove it from vehicle.
  21. Remove the bolts (x2) that attach the LH front drive unit mount to the front drive unit assembly.
  22. Remove the LH front drive unit mount from the vehicle: Maneuver the mount towards the front of the vehicle, and then remove the mount from between the front subframe rails.

Installation

  1. Install the LH front drive unit mount onto the front drive unit assembly by maneuvering the mount up through the subframe rails and into position.
  2. Position the clevis mount into position for installation, and then hand-tighten the bolts.
    Informational PurposesAn informational icon, calling your attention
    Note
    Maneuver the clevis mount around the steering shaft to position it for installation.
    Informational PurposesAn informational icon, calling your attention
    Note
    Might need to adjust the underhoist stand to align the mounting holes, if needed.
  3. Fully tighten the clevis mount bolts to the LH front drive unit mount (torque 50 Nm).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that the mount is positioned all the way forward before tightening the bolts. Allowing the mount to be installed all the way rearward will result in NVH issues.
  4. Fully tightening the bolts (x2) that attach the clevis mount to the body (torque 65 Nm).
  5. Remove the underhoist stand from the vehicle.
  6. Install the HV battery assembly. See HV Battery (RWD/AWD) (Remove and Install).
  7. Install the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).
  8. Lower the vehicle fully.
  9. Install the upper bolt that attaches the LH front drive unit mount to the front drive unit assembly (torque 38 Nm).
  10. Install the bolts (x2) that attach the 4-way valve bracket to the frame rail (torque 5 Nm).
  11. Install the bolts (x2) that attach the 4-way assembly to the bracket (torque 5 Nm).
  12. Connect the gray electrical connector to the steering rack logic.
  13. Connect the steering rack electrical connectors (x2).
  14. Install the 12V auxiliary battery bracket beam. See 12V Battery Bracket Beam (Remove and Replace).
  15. Install the 12V auxiliary battery. See Battery - Auxiliary - 12V (Remove and Replace).
  16. Reconnect 12V power. See Disconnect 12V Power.
  17. Install the underhood storage unit. See Underhood Storage Unit (Remove and Install).
  18. Install the underhood storage carpet. See Carpet - Underhood Storage (Remove and Install).
  19. Install the HEPA filter outlet duct. See Duct - HEPA Filter - Outlet (Remove and Replace).
  20. Install the HEPA filter inlet duct. See Duct - HEPA Filter - Inlet (Remove and Replace).
  21. Install the front underhood apron. See Underhood Apron - Front (Remove and Replace).
  22. Install the LH and RH underhood aprons. See Underhood Apron - LH (Remove and Replace).
  23. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).