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 RH instrument panel side cover assembly (refer to
procedure).
Note: LH panel is illustrated; RH removal is
identical.
Using a suitable tool, release the clips (x13) that secure the
trim to the dash substrate.
Installation
Use the adhesive scraper to remove the excess urethane from the
body.
Temporarily reconnect the CHMSL to the harness in the center of
the liftgate and have an assistant depress the brake pedal. Ensure
that the CHMSL lights up properly. If any of the LEDs have be