Tesla Model S Owners & Service Manuals

Tesla Model S: Front Drive Unit (From Below) (Remove and Install) - Installation

Tesla Model S (2012-2025) Service Manual / Front Drive Unit / Front Drive Unit (From Below) (Remove and Install) / Front Drive Unit (From Below) (Remove and Install) - Installation

Installation

Installation procedure is the reverse of removal, except for the following:
  • Use alcohol wipes to clean the mating surfaces between the RH motor mount and drive unit.
  • When securing the motor to the mounts, use the shim tools to ensure that there is sufficient clearance:
    1. Attach the 15 mm ratchet tool to a torque wrench.

      Caution: Ensure that the ratchet tool is 90 degrees perpendicular to the handle of the torque wrench when using the tool.

      Front Drive Unit (From Below) (Remove and Install) - Installation

      1 90 degree angle

    2. Position the 3 shim tools between the RH motor mount and body.

      Front Drive Unit (From Below) (Remove and Install) - Installation

    3. Install the bolts (x4) that secure the motor to the RH mount in the order shown (torque 75 Nm).

      Note: Use the ratchet tool to fully tighten the first and fourth bolt.

      Front Drive Unit (From Below) (Remove and Install) - Installation

    4. Install the bolts (x3) that secure the motor to the LH mount (torque 38 Nm).
  • When installing the driveshaft into the drive unit:
    • Ensure that the opening of the snap ring is facing towards the bottom of the drive unit.
    • Do not damage or displace the oil seal.
    • Verify that the driveshaft is fully seated by carefully pushing it into the drive unit until there is an audible "click" from the snap ring.
  • Recharge the AC system.
  • Fill the drive unit with the correct amount of proper fluid:

    Note:

    • Use the fluid specified in General Information > Fluids and Capacities > Fluids .
    • Use the amount specified in General Information > Fluids and Capacities > Fluid Capacities .

    READ NEXT:

     Front Drive Unit (From Below) (Remove and Replace)

    Special tool required for this procedure: Supplier Part Number Description

     Mount - Front Drive Unit - RH (Remove and Replace)

     Mount - Front Drive Unit - RH (Remove and Replace) - Removal

    Warning: If the 12V power supply is disconnected, do not attempt to open any doors with door glass in closed position. Failure to follow this instruction could result in door glass shat

    SEE MORE:

     Hood Assembly (Remove and Install)

    Removal Remove the LH underhood apron for access (refer to procedure). Remove the RH underhood apron for access. Mark the installed position of the hood hinges to the body. With assistance, support the weight of the hood. Release the clips (x2) and disconnect the gas

     Technical Data

    Motor Type AC induction motor, liquid-cooled, with variable frequency drive Rating 320 Volts Maximum speed of large motors:- rear motor on all single motor models - rear motor on P85D 16000 rpm Maximum speed of small motors:- front motor on all dual motor

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