Tesla Model 3: Subframe Assembly - Front (RWD) - Install
Install
- Position the subframe lifting tool against the front subframe, and then
attach the straps (x3) to the subframe.
Note: Make sure to align the two subframe lifting tool guides with
the front subframe.
- Lower the front drive unit onto the front subframe
Note: Make sure not to move the rear front drive unit support posts
from their previous positions.
- Install the bolt that attaches the front drive unit to the front
subframe.
Torque 80 Nm
- Lower the gantry hook until the drive unit sling is slack.
- Remove the drive unit sling hooks from the front drive unit.
- Remove the drive unit sling from the gantry hook.
- Move the subframe lifting tool to a working area.
Other assemblies hidden for clarity
- Position the front drive unit harness on the front subframe, and then
install the clips that attach the front drive unit harness to the subframe.
- Install the clips that attach the front drive unit harness to the front
drive unit inverter.
- Install the clip that attaches the front drive unit harness to the front
drive unit motor.
- Connect the oil pump connector, and then engage the locking tab.
Important: Perform a push-pull test to verify that the connector
is fully attached.
- Connect the resolver logic connector, and then engage the locking tab.
Important: Perform a push-pull test to verify that the connector is
fully attached.
- Connect the front drive unit inverter logic connector, close the handle,
and then engage the locking tab.
Important: Perform a push-pull test to verify that
the connector is fully attached.
- Install the LH and RH front drive unit halfshafts on the front drive
unit.
- Hand-tighten the bolts that attach the LH and RH front subframe crash
can brackets to the front subframe.
- Position the front stabilizer bar on the front subframe.
- Install new nuts to attach the front stabilizer bar to the front
subframe, and then mark each nut with a paint pen.
Torque
35 Nm
- Install the steering rack. See Steering Rack (Dual Motor) (Remove and
Replace).
Caution: 2nd generation front subframes cannot accommodate 1st
generation (discontinued) steering racks. A 2nd generation (currently available)
steering rack must be installed.
- Install the front subframe assembly into the vehicle. See Subframe
Assembly - Front (Dual Motor) (Remove and Install).
READ NEXT:
Caution:
Vehicles built before March 25th, 2019 have 1st generation front
subframes. Vehicles built on March 25th, 2019 and after have 2nd generation
front subframes. When a 1st generation subfra
SPECIAL TOOLS
Kit, EPB Release, Handheld (1134520-00-A)
XP-10 Power Supply, XP-10 (1129348-00-A)
Fixture, Subframe, Model 3 (1099645-00-B)
Lever Lock, HV Connector, Model 3 (1140311-00-A)
Remove
U
SEE MORE:
SPECIAL TOOLS
Tool, Caliper Spreader, Model 3 (1134786-00-A)
Remove
Raise the vehicle and remove the front LH wheel. See
Wheel (Remove and Install).
Remove the bolt that attaches the LH front brake hose bracket to the LH
front knuckle.
Remove the bolts that attach the LH front calip
Perform a penthouse coolant leak test. See
Penthouse Coolant Leak Test.
Remove the plugs from the hoses.
Connect the rear powertrain supply hose to the RH side of the HV battery,
and the rear drive unit inverter inlet hose to the LH side of the HV battery.
Move the coolant drain to under the