Mount - Rear Drive Unit - LH (Remove and Replace)
Correction code 40012002 4.20 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure proper PPE is worn when performing the below procedure.
- Move the vehicle to a 2 post lift. See Raise Vehicle - 2 Post Lift.
- Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
- Release the electronic parking brake. See Park Brake Caliper - Release.
- Disconnect the laptop with Toolbox 3 from the vehicle. See Toolbox 3 (Connect and Disconnect).
- Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
- Disconnect LV power. See LV Power (Disconnect and Connect).
-
Set the high voltage multimeter to DC
voltage, lightly touch the probes to the auxiliary battery connector contacts, and verify
that the multimeter displays a voltage.
NoteBattery voltage is typically 14.5 to 15.5 volts.
- Remove the LH and RH underhood aprons. See Underhood Apron - LH (Remove and Replace)
- Remove the front underhood apron. See Underhood Apron - Front (Remove and Replace).
- Remove the underhood storage unit. See Underhood Storage Unit (Remove and Install).
- Remove the rear wheels. See Wheel Assembly (Remove and Install).
- Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
- Perform Vehicle HV Disablement Procedure. See Vehicle HV Disablement Procedure.
- Remove the rear fascia diffuser. See Diffuser - Rear Fascia (Remove and Replace).
- Remove the rear subframe. See Subframe Assembly - Rear (Remove and Install).
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Remove the bolts (x4) that attach the
rear subframe stiffener to the rear subframe, and then remove the stiffener from the
subframe.
Tip: Use of the following tool(s) is recommended:
- 16 mm socket
-
Remove the bolt and release the clips
(x2) that attach the ground strap to the rear drive unit and rear subframe, and then
remove the ground strap from the subframe.
Tip: Use of the following tool(s) is recommended:
- 10 mm socket
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Pull on red release tab, pull tab again
to disconnect the rear subframe electrical harness from the rear drive unit resolver
connector, release the clips (x2) that attach the electrical harness to the RH side of the
rear drive unit, and move the electrical harness aside.
-
Press the locking tab, disconnect the
rear subframe electrical harness from the logic connector, release the clip that attaches
the electrical harness to the LH side of the rear drive unit, and move the electrical
harness aside.
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Remove the bolt that attaches the LH
ride height sensor arm to the LH upper fore link.
Tip: Use of the following tool(s) is recommended:
- 10 mm socket
-
Remove the bolts (x2) that attach the LH
upper aft link to the rear subframe.
Tip: Use of the following tool(s) is recommended:
- 16 mm socket
-
Remove the bolts (x2) that attach the LH
upper fore link to the rear subframe.
Tip: Use of the following tool(s) is recommended:
- 16 mm socket
-
Remove the bolts (x2) that attach the LH
toe link to the rear subframe.
NoteSupport the knuckle while removing.Tip: Use of the following tool(s) is recommended:
- 16 mm socket
-
Install the axle removal tool around the
inner joint of the LH rear halfshaft.
NoteMake sure that the cable loop is not wrapped around the inner boot.
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Use the slide hammer to release the LH
rear halfshaft from the rear drive unit.
- Repeat step 17 through step 22 for the RH side of the vehicle.
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Remove the clips (x2) that attach the
powertrain return hose to the subframe.
-
Remove the clips (x2) that attach the
powertrain supply hose to the subframe.
-
Position the subframe lift underneath
the gantry.
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Use the hooks (x3) to attach the drive
unit sling tool to the rear drive unit.
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Attach the drive unit sling tool to the
gantry.
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Use the gantry to raise the drive unit
sling tool so that there is slight tension in the cables.
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Remove the bolt that attaches the rear
drive unit to the LH side of the rear subframe.
Tip: Use of the following tool(s) is recommended:
- External Torx E18
-
Remove the bolt that attaches the rear
drive unit to the RH side of the rear subframe.
Tip: Use of the following tool(s) is recommended:
- External Torx E18
-
Remove the bolt that attaches the rear
drive unit to the rear of the rear subframe.
Tip: Use of the following tool(s) is recommended:
- External Torx E18
-
With the help of an assistant, use the
gantry to raise the rear drive unit sling tool, guide halfshafts away from the rear drive
unit, and separate the rear drive unit up from the rear subframe.
-
Move the rear subframe and subframe lift
out from underneath the rear drive unit.
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Place a coolant catcher below the rear
drive unit.
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Secure the rear drive unit HV harness
away from the draining coolant.
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Release the spring clip, disconnect the
inverter to oil cooler hose from the rear drive inverter, and then allow the coolant to
drain.
NotePlug the hose and inverter as needed.
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Remove the clip that attaches the
inverter to oil cooler hose to the LH rear drive unit mount.
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Lower the rear drive unit onto an empty
pallet, and then place a wood block under the stator to keep the assembly upright.
-
Remove the bolts (x3) that attach the LH
rear drive unit mount to the rear drive unit assembly, and then remove the mount from the
assembly.Tip: Use of the following tool(s) is recommended:
- E14 socket
-
Position the LH rear drive unit mount to the rear drive unit assembly, and then install
the bolts (x3) that attach the mount to the assembly.NoteFollow the torque sequence in the image.Tip: Use of the following tool(s) is recommended:
- E14 socket
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Raise the rear drive unit from the empty
pallet.
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Install the clip that attaches the
inverter to oil cooler hose to the LH rear drive unit mount.
-
Remove the plugs, connect the inverter to oil cooler hose to the rear drive inverter,
and then install the spring clip.
NotePerform a push-pull-push test to make sure the hose if fully seated.
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Release the rear drive unit HV harness.
- Remove the coolant catcher from under the rear drive unit.
-
Move the rear subframe and subframe lift
to underneath the rear drive unit.
-
With the help of an assistant, use the
gantry to lower the rear drive unit sling tool, guide halfshafts away from the rear drive
unit, and lower the rear drive unit into the rear subframe.
-
Lower the rear drive unit sling tool so
as to install and hand tighten the bolt that attaches the rear drive unit to the rear of
the rear subframe.
Tip: Use of the following tool(s) is recommended:
- External Torx E18
-
Install and hand tighten the bolt that
attaches the rear drive unit to the RH side of the rear subframe.
Tip: Use of the following tool(s) is recommended:
- External Torx E18
-
Install and hand tighten the bolt that
attaches the rear drive unit to the LH side of the rear subframe.
Tip: Use of the following tool(s) is recommended:
- External Torx E18
- Lower the drive unit sling tool to release tension in the cables, and then remove the sling tool from the gantry.
- Remove the hooks (x3), and then remove the drive unit sling tool from the rear drive unit.
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Tighten the rear drive unit mount bolts
(x3).Tip: Use of the following tool(s) is recommended:
- External Torx E18
-
Install the clips (x2) that attach the powertrain supply hose to the subframe.
-
Install the clips (x2) that attach the powertrain return hose to the subframe.
- Continue installing the rear drive unit into the rear subframe. See Drive Unit - Rear (Remove and Install).
- Install the rear subframe into the vehicle. See Subframe Assembly - Rear (Remove and Install).
- Install the rear wheels. See Wheel Assembly (Remove and Install).
- Connect LV power. See LV Power (Disconnect and Connect).
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Remove coolant bottle cap.
- Hold brake pedal and select park on the UI to disable EPB service mode.
- Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
-
In Toolbox, click the Actions/Autodiag tab, search
for "Purge", click TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGESearch for routine in ToolboxCoolant Air PurgeThermal / Coolant System - Coolant Purge Starthv / Front Drive Inverter Replacement - Coolant Air Purgehv / Rear Drive Inverter Replacement - Coolant Air Purgehv / Rear Left Drive Inverter Replacement - Coolant Air Purgehv / Rear Right Drive Inverter Replacement - Coolant Air Purgehv / Front Drive Unit Replacement - Coolant Air Purgehv / Rear Drive Unit Replacement - Coolant Air PurgeThermal / Actions - Coolant Purge Stop or Coolant Purge Start, click Run, and allow the routine to
complete.
NoteMake sure the vehicle is not in drive state. Putting vehicle into drive state will stop this routine. Monitor the levels as required.
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Inspect the coolant level and top off as
necessary.
NoteEnsure that the fluid level is at the Max line.
-
Install the coolant bottle cap.
- Disconnect the laptop with Toolbox 3 from the vehicle. See Toolbox 3 (Connect and Disconnect).
- Install the underhood storage unit. See Underhood Storage Unit (Remove and Install).
- Install the front underhood apron. See Underhood Apron - Front (Remove and Replace).
- Install the LH and RH underhood aprons. See Underhood Apron - LH (Remove and Replace)
- Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
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Calibrate the rear doors.
NoteIf the "Calibration Needed" message appears on the vehicle touchscreen, touch and hold Calibrate to calibrate the rear doors.
- Refer to the Alignment Requirement tables to determine whether an EPAS alignment check (EC) or four wheel alignment check (AC) is necessary. If performed, add the alignment check/adjust as a separate activity. See Alignment Requirement - Suspension.