Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Subframe Assembly - Front (RWD) - Install

Tesla Model 3 2017-2025 Service Manual / Chassis / Subframe Assembly - Front (RWD) (Remove and Install) / Subframe Assembly - Front (RWD) - Install

Install

  1. 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.

  1. 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.

Subframe Assembly - Front (RWD) - Install

  1. Install the bolt that attaches the front drive unit to the front subframe. Torque 80 Nm
  2. Lower the gantry hook until the drive unit sling is slack.
  3. Remove the drive unit sling hooks from the front drive unit.
  4. Remove the drive unit sling from the gantry hook.
  5. Move the subframe lifting tool to a working area.

Other assemblies hidden for clarity
Other assemblies hidden for clarity

  1. 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.

Subframe Assembly - Front (RWD) - Install

  1. Install the clips that attach the front drive unit harness to the front drive unit inverter.

Subframe Assembly - Front (RWD) - Install

  1. Install the clip that attaches the front drive unit harness to the front drive unit motor.

Subframe Assembly - Front (RWD) - Install

  1. 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.

Subframe Assembly - Front (RWD) - Install

  1. 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.

Subframe Assembly - Front (RWD) - Install

  1. 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.

  1. Install the LH and RH front drive unit halfshafts on the front drive unit.

Subframe Assembly - Front (RWD) - Install

  1. Hand-tighten the bolts that attach the LH and RH front subframe crash can brackets to the front subframe.
  2. Position the front stabilizer bar on the front subframe.

Subframe Assembly - Front (RWD) - Install

  1. 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
  2. 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.

  1. Install the front subframe assembly into the vehicle. See Subframe Assembly - Front (Dual Motor) (Remove and Install).

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