Tesla Model S: Drive Unit - Rear - Large (Remove and Replace)
Note: Loosen suspension fasteners by hand, then
use a cordless electric drill with a 3/8 in drive adapter and an
3/8 in drive air ratchet wrench.
Removal
Remove the drive unit (refer to procedure).
Installation
Note: Perform the Installation section of
40012001, "Drive Unit - Rear - Large (Remove and Install)".
- Refill the gearbox fluid.
- Inspect any components to be reused for wear or damage before
transferring them to the new drive unit. Replace any damaged
components.
- Use Toolbox to reset the immobilizer.
- If using this procedure to replace the Performance drive unit,
perform a break-in procedure. During this procedure, a "zinging" or
"zipping" sound can be heard in the vehicle cabin near the drive
unit area.
Note: This procedure is not required for
Base drive units.
- Ensure that the battery state of charge is 70% or higher.
- Accelerate from 0 mph to at least 30 mph (48 kph) at wide
open throttle 2 to 6 times or until the zinging/zipping sound
has disappeared.
Warning: Be sure to comply with all local
traffic safety laws and only perform such maneuvers
in a suitable location such as a large empty parking
lot or nonresidential side street with little to no
traffic.
Note: Do not deliver the vehicle to the
customer until the sound is completely gone.
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Special tools required for this procedure:
Supplier
Part Number
Description
Tesla
1000991
Special tools required for this procedure:
Caution: Use the specified coolant only. In this manual, refer
to General Information > Capacities, Fluids, and
Lubricants > Fluids.
Removal
Remove drive unit assembly:
Large drive units: Refer to procedure
Small drive units: Refer to procedure
Using suitable lifting equipment, support th
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Removal
Remove the rear center underhood apron (refer to procedure).
Release the retainers (x2) that secure the particulate filter
cover.
Note: Components have been removed in this graphic
to aid clarity.
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