04/09/2024 13:59:02

Halfshaft - Rear Drive Unit - LH (Remove and Replace)

Correction code 40302002 1.44 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so.NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

  • 2023-10-25: Updated torque figure for rear upper fore link to knuckle from 76 Nm to 84 Nm.
  • 2023-08-28: Updated EPB Service Mode reference.
  • 2023-06-29: Added the whole procedure video as an overview for supplemental purposes only.
  • 1134520-00-A Kit, EPB Release, Handheld
  • 1129348-00-A XP-10 Power Supply, XP-10
  • 1498673-00-A KIT, CABLE AXLE REMOVER, MS/MX/M3
  • 1096075-00-A Hub Puller Tool, Hydraulic
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
The video(s) included in this procedure are meant as an overview for supplemental purposes only. Follow all of the steps listed in the procedure to avoid damage to components and/or personal injury.

Remove

  1. Raise the vehicle on a 2 post lift. See Raise Vehicle - 2 Post Lift.
  2. Enable the EPB Service Mode. See Parking Brake - Caliper - Rear - LH (Release)
  3. Loosen the LH rear wheel lug nuts, but do not remove the wheel at this time. See Wheel Assembly (Remove and Install).
  4. Loosen the LH rear axle nut, but do not remove the nut at this time.
    Tip: Use of the following tool(s) is recommended:
    • 32mm deep impact socket
  5. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  6. Remove the LH rear suspension cover. See Cover - Rear Suspension - LH (Remove and Replace).
  7. Remove the LH rear wheel.
  8. Remove and discard the bolts that attach the LH rear caliper bracket to the knuckle.
    Tip: Use of the following tool(s) is recommended:
    • E18 socket
  9. Remove the LH rear brake caliper from the LH rear suspension, and then allow it to hang from the body using an S-hook.
  10. Remove and discard the bolt that attaches the rear LH ABS wheel speed sensor to the knuckle, and then remove the sensor from the knuckle.
    Tip: Use of the following tool(s) is recommended:
    • 10mm socket
    • 4 in extension
  11. Release the clip and remove the grommet that attach the rear LH ABS wheel speed sensor cable to the rear LH knuckle and subframe bracket.
  12. Remove and discard the nut, and remove the washer that attach the LH halfshaft to the hub assembly.
    Tip: Use of the following tool(s) is recommended:
    • 32mm deep impact socket
  13. Remove the bolt that attaches the brake rotor to the hub.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • 10 mm socket
    • 2 in extension
  14. Install the hub puller onto the LH rear rotor, and then install and hand-tighten the puller washers (x5) and the lug nuts (x5) onto the rotor studs.
  15. Use the hub puller to free the halfshaft from the hub splines.
    Informational PurposesAn informational icon, calling your attention
    Note
    The halfshaft is removed at a later step.
  16. Remove the lug nuts (x5) and the puller washers (x5) from the LH rear rotor studs, and then remove the hub puller from the rotor.
  17. Install the bolt that attaches the brake rotor to the hub.
    5 Nm (3.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10mm socket
    • 2 in extension
    • Flex head ratchet / torque wrench
  18. Install a spring compressor onto the LH rear coil spring.
    Tip: Use of the following tool(s) is recommended:
    • Gedore Spring Compressor
  19. Position a support stand underneath the LH rear suspension.
  20. Remove the bolts that attach the LH rear damper at the top mount.
    Tip: Use of the following tool(s) is recommended:
    • 15mm socket
    • 3 in extension
  21. Remove and discard the nut that attaches the rear stabilizer bar link to the rear stabilizer bar, and then remove the stabilizer bar from the LH end link.
    Tip: Use of the following tool(s) is recommended:
    • 15mm socket
    • 15 mm flex head combination wrench
    • 5 mm hex socket
    Informational PurposesAn informational icon, calling your attention
    Note
    Break the nut loose, and then counter-hold the ball joint with a 5 mm hex wrench.
  22. Remove the bolt and nut that attach the LH upper aft link to the knuckle.
    Tip: Use of the following tool(s) is recommended:
    • 21mm socket
    • 6 in extension
    • 21 mm ratcheting combination wrench
  23. Remove the bolt and nut that attach the LH upper fore link to the knuckle.
    Tip: Use of the following tool(s) is recommended:
    • 18mm socket
    • 3 in extension
    • 18 mm ratcheting combination wrench
  24. Remove the bolt and nut that attach the LH toe link to the knuckle.
    Tip: Use of the following tool(s) is recommended:
    • 18mm socket
    • 18 mm ratcheting combination wrench
  25. Lower the support stand to gain access for halfshaft removal.
  26. With assistance, separate the halfshaft from the hub assembly, and then move the halfshaft aside.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    To reduce the risk of personal injury, wear cut resistant gloves and proper personal protective equipment (PPE) as required when removing the halfshaft.
  27. Position the axle remover cable around the inner joint of the LH rear drive unit halfshaft, and then use a cable tie to hold the axle remover cable in position.
    Figure 1. Axle removed from drive unit for demonstration purposes
  28. Hook the axle remover slide hammer on the 2 axle remover cable loops, and then use the slide hammer to remove the halfshaft from the drive unit.

Install

  1. Apply approximately 1 gram of Molykote M-77 Lubricant Paste only to the hub mating face on the outboard side of the LH rear drive unit halfshaft.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Do not apply any lubricant to the halfshaft splines. If lubricant is mistakenly applied, wipe the splines clean with a shop towel.
  2. Install the halfshaft into the rear drive unit.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    When installing the halfshaft to the drive unit:
    • Take care not to damage or displace the oil seals.
    • Make sure that the opening of the snap rings are facing towards the bottom of the drive unit.
    • Carefully push the halfshaft into the drive unit until there is an audible "click" from the halfshaft stub contacting the pinion shaft.
    • There will be a slight pulling sensation on the halfshaft as the halfshaft circlip locks into place.
    • Pull on the inner halfshaft cup to confirm that the circlip is locked into place. If the halfshaft detaches from the drive unit then reinstall the halfshaft and then test that it is fully seated.
    • Set the LH halfshaft temporarily on the lower aft link.
  3. Swing out the upper section of the knuckle and mate the halfshaft to the hub.
  4. Align the splines of the LH rear halfshaft with those of the LH rear hub, and then install the halfshaft into the hub.
  5. Install only the axle nut onto the halfshaft, and then use a ratchet and socket to manually tighten the nut to pull the halfshaft into the hub until it seats.
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not use power tools to tighten the nut as it might strip the threads.
  6. Remove the axle nut from the halfshaft, install a new washer onto the halfshaft, and then reinstall the axle nut hand tightened.
    Informational PurposesAn informational icon, calling your attention
    Note
    The axle nut is torqued in a later step.
  7. With an assistant, install and hand-tighten the bolt and nut that attach the LH toe link to the knuckle.
  8. With an assistant, install and hand-tighten the bolt and nut that attach the LH upper fore link to the knuckle.
  9. With an assistant, install and hand-tighten the bolt and nut that attach the LH upper aft link to the knuckle.
  10. Install a new nut to attach the rear stabilizer bar link to the rear stabilizer bar, and then mark the nut with a paint pen.
    55 Nm (40.6 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 15mm socket
    • 15 mm flex head combination wrench
    • 5 mm hex socket
    Informational PurposesAn informational icon, calling your attention
    Note
    Counter-hold the ball joint with a 5 mm hex wrench.
  11. Install the bolts that attach the LH rear damper at the top mount.
    41 Nm (30.2 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 15mm socket
    • 3 in extension
  12. Remove the support stand from underneath the LH rear suspension.
  13. Remove the bolt that attaches the brake rotor to the hub.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use of the following tool(s) is recommended:
    • 10 mm socket
    • 2 in extension
  14. Install the hub jack adapter onto the LH rear hub and hand-tighten the lug nuts.
  15. Use an underhoist stand to support the hub jack adapter.
  16. Raise the support stand to simulate vehicle at ride height.
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure that the support stand does not block access to adjust the spring compressor or suspension bolts.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use the rear ride height torque gauge to verify that the rear suspension is set to ride height specifications and adjust the support stand or spring compressor tool, if necessary.
  17. Measure the distance between the bottom of the quarter panel to the center of the rear axle to make sure that the rear suspension is set to ride height: The distance should measure 427 mm.
  18. Tighten the bolt and nut that attach the LH toe link to the knuckle, and then mark the bolt and nut with a paint pen.
    76 Nm (56.0 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18mm socket
    • 18 mm ratcheting combination wrench
  19. Tighten the bolt and nut that attach the LH rear upper fore link to the knuckle, and then mark the bolt and nut with a paint pen.
    84 Nm (61.9 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18mm socket
    • 3 in extension
    • 18 mm ratcheting combination wrench
  20. Tighten the bolt and nut that attach the LH rear lower fore link to the knuckle, and then mark the bolt and nut with a paint pen.
    76 Nm (56.0 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18 mm socket
    • 18 mm ratcheting combination wrench
    • Flex head ratchet/flex head torque wrench
  21. Tighten the bolt and nut that attach the LH upper aft link to the knuckle, and then mark the bolt and nut with a paint pen.
    134 Nm (98.8 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 18mm socket
    • 3 in extension
    • 18 mm ratcheting combination wrench
  22. Remove the support stand from underneath the LH rear suspension.
  23. Remove the hub jack adapter.
  24. Install the bolt that attaches the brake rotor to the hub.
    5 Nm (3.7 lbs-ft)
  25. Remove the spring compressor from the LH coil spring.
  26. Install the grommet and fasten the clip that attach the rear LH ABS wheel speed sensor cable to the rear LH knuckle and subframe bracket.
  27. Install the rear LH ABS wheel speed sensor to the LH rear knuckle, and then install a new bolt to secure the sensor to the knuckle.
    5 Nm (3.7 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 10mm socket
    • 4 in extension
  28. Install the new bolts that attach the LH rear caliper bracket to the knuckle.
    80 Nm (59.0 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • E18 socket
  29. Install the LH rear wheel, and then hand-tighten the lug nuts that attach the LH rear wheel to the hub.
  30. Install the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).
  31. Install the LH rear suspension cover. See Cover - Rear Suspension - LH (Remove and Replace).
  32. Lower the vehicle and put the vehicle into Park.
  33. Tighten the wheel lug nuts.
    175 Nm (129.1 lbs-ft)
  34. Tighten the LH rear axle nut.
    300 Nm (221.2 lbs-ft)
    Tip: Use of the following tool(s) is recommended:
    • 32mm deep impact socket
  35. Install the LH rear wheel center cap or the hub cap.
  36. Remove the vehicle from the lift.
  37. Check the vehicle wheel alignment, and adjust if necessary. See Four Wheel Alignment Check.