Tesla Model S: Front Drive Unit (From Above) (Remove and Replace)
Note: If possible, use the
"From Below" procedure to remove and replace the front drive unit
(refer to procedure).
Removal
Remove the front drive unit
(refer to procedure).
Transfer Components
-
Drain the coolant from the old drive unit.
-
Release the 2 bolts that secure the jackshaft
to the old drive unit (torque 30 Nm).
-
Remove all NVH padding except for the lower LH
section.
Note: This section
of padding cannot be removed while the drive unit is
supported by the crane.
-
Open the crate that contains the new drive
unit. Set the lid on the ground so that any padding is facing
upwards.
-
Lower the old drive unit onto the lid.
-
Remove the crane cables from the drive unit.
-
Remove the lower LH section of NVH padding from
the old drive unit.
-
Remove the coolant hose and pump from the old
drive unit.
-
Resecure the crane cables to the old drive unit
and lift it off of the crate lid.
Caution: Be very careful not
to damage the motor in the next step.
-
Working with at least 1 assistant, lift the new
drive unit out of the crate and set it on the crate lid.
-
Transfer the following components from the new
drive unit to the old drive unit:
-
LH motor mount
-
RH motor mount
-
Use the crane to place the old drive unit into
the crate.
-
Install all NVH padding except for the lower RH
section onto the new drive unit.
-
Secure the crane cables to the new drive unit
and raise it.
-
Install the coolant hose to the new drive unit.
-
Install the 2 bolts to secure the jackshaft to
the new drive unit (torque 30 Nm).
Installation
Installation procedure is the reverse of removal,
except for the following:
Perform a full firmware
update.
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Special tools required for this procedure:
Supplier
Part Number
Description
Installation
Installation procedure is the reverse of removal,
except for the following:
Use alcohol wipes to clean the mating surfaces between the RH
motor moun
SEE MORE:
Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
minimum rating of class 00 (500V) must be worn any time a high
voltage cable is handled. Refer
Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
minimum rating of class 00 (500V) must be worn any time a high
voltage cable is handled. Refer