20/03/2020 13:46:19

Mount - Front Drive Unit - LH (1st Generation) (Remove and Replace)

Correction Code 39012602

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Warning
If the 12V power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shatter.
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Note
Before disconnecting the 12V power supply, ensure that the driver’s door window is fully open. Failure to follow this instruction could result in vehicle lockout.

Special tools required for this procedure:

Supplier Part Number Description
Tesla 1054160-00-A Support Jack, Front DU
Tesla 1056566-00-A Locating Shim Set, Front Motor

This procedure is for vehicles built through April 24, 2019. For vehicles built after April 24, 2019, see Mount - Front Drive Unit - LH (2nd Generation) (Remove and Replace).

Removal

  1. Position the vehicle on a lift, but do not raise it at this time.
  2. Remove the 12V battery bracket beam (refer to procedure).
  3. Release the 2 fir tree clips that secure the 12V positive harness to the front crossmember.
  4. Move the 12V positive harness to the RH side of the vehicle to keep it out of the working area.
  5. Release the 4 bolts that secure the coolant reservoir to the front crossmember (torque 6 Nm). Do not remove the reservoir at this time.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    At this point in the procedure, there are still 2 coolant hoses and 1 harness attached to the reservoir.
  6. Carefully lift up the coolant reservoir and disconnect the coolant level sensor harness.
  7. Ensure that the cap on the reservoir is properly secured, then pull the reservoir forward into the underhood area.
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    Note
    The reservoir hose is routed behind the drive unit hose. Note the routing of the hoses and ensure that they are routed correctly during reinstallation.
  8. Gently pull down on the 2 coolant hoses to release the clips (x4) that secure them to the front crossmember.
  9. Release the clip that secures the coolant reservoir hose to the A/C line.
  10. On the LH side of the 3-way fitting, clamp the coolant hose that leads to the differential housing. Remove the hose from the front drive unit and plug the nipple.
  11. Move the coolant reservoir to the LH side of the vehicle and secure it out of the working area.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    The reservoir is still secured to 2 coolant hoses.
  12. Resecure the coolant hose to the front drive unit, but do not engage the locking ring at this time.
  13. Release the 2 bolts that secure each fuse box to the front crossmember (torque 5 Nm). Move both fuse boxes behind the front crossmember.
  14. Release the bolt that secures the bracket for coolant pump 3 (torque 6.5 Nm). Move the bracket behind the front crossmember.
  15. Position the support jack on top of the front crossmember and secure the 2 screws to the front crossmember.
    Informational PurposesAn informational icon, calling your attention
    Note
    The support jack mounts to the bolt holes on top of the front crossmember that secured the coolant reservoir.
  16. Fully lower both mounts of the support jack.
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    Note
    Work from the underhood area while an assistant works from the LH wheelwell.
  17. Position the LH strap:
    1. Slide the strap between the LH motor mount and the front drive unit.
    2. Have the assistant slide the strap inward, as close to the differential housing as possible.
      Warning IconA warning icon, calling your attention to a possibly risky situation
      CAUTION
      Ensure that there are no coolant hoses between the strap and the front drive unit.
    3. Reach behind the front crossmember and pull the strap up and over the top of the support jack.
    4. Secure the two ends of the strap with the carabiner.
    5. Slide the strap so that the carabiner is approximately 6 in (152 mm) above the front crossmember.
  18. Raise both sides of the support jack alternately until the strap is fully taut.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Even though only one strap is used in this procedure, it is important to raise both sides of the support jack.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Ensure that the strap is completely taut before continuing.
  19. Raise the vehicle and remove the front LH wheel.
  20. Release the plastic rivets that secure the rear of the upper front arch liner, then pull the arch liner rearward.
  21. Release the 2 bolts and washers that secure the LH side motor mount to the body (torque 65 Nm).
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure that the 2 bolts that secure the LH mount to the body each have a washer.
  22. Remove and discard the 3 bolts that secure the motor to the LH motor mount (torque 38 Nm):
    1. Raise the vehicle to access the LH wheelwell.
    2. Use a deep socket to release the rear bolt.
    3. Lower the vehicle.
    4. Working from the underhood area, release the front 2 bolts.
  23. Remove the LH motor mount from the vehicle.

Installation

  1. Loosen the bolts that secure the 2 sections of the LH motor mount.
  2. Set the new motor mount into position.
  3. Secure the 3 bolts that secure the motor to the LH motor mount (torque 38 Nm).
  4. Secure the 2 bolts that secure the LH side motor mount to the side rail (torque 65 Nm).
  5. Position the 3 shim tools between the RH motor mount and body.
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    Note
    These tools ensure proper clearance. Leave them in place until prompted to remove.
    1 2-pronged shim tool
    2 Hook shim tool
    3 Straight shim tool
    1. Working from the underhood area, position the 2-pronged shim around the RH motor mount front bushing.
    2. Reach beneath the motor and position the hook shim tool between the mount and outer bushing.
    3. Reach downward between the V-brace and cross brace and position the straight shim tool between the mount and inner bushing.
  6. Tighten the 2 bolts that secure the 2 parts of the LH motor mount together (torque 50 Nm).
  7. Remove the shim tools.
  8. Repeat step 5 to reposition the shim tools to ensure that the motor did not shift.
    • If all 3 shim tools can be easily installed and removed, continue to the next step in this procedure.
    • If the shim tools can not be easily installed and removed, adjust the LH side motor mount(refer to procedure).
  9. Reinstall all components that were removed for access.
  10. Refill and bleed the cooling system(refer to procedure).