Tesla Model 3: Halfshaft - Rear Drive Unit - LH (Remove and Replace)

Halfshaft - Rear Drive Unit - LH - Remove

SPECIAL TOOLS

Kit, EPB Release, Handheld (1134520-00-A)

XP-10 Power Supply, XP-10 (1129348-00-A)

Tool, Axle Extraction, Model 3 (1133386-00-A)

Hub Puller Tool, Hydraulic (1096075-00-A)

Remove

1. Raise the vehicle on a 2 post lift. See Raise Vehicle - 2 Post Lift.
2. Loosen the LH rear wheel lug nuts, but do not remove the wheel at this time. See Wheel (Remove and Install).
3. Loosen the LH rear axle nut, but do not remove the nut at this time.
4. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).

5. Remove the bolt that attaches the LH rear suspension cover.
6. Remove the LH rear wheel.
7. Remove the LH rear wheel arch liner. See Wheel Arch Liner - Rear - LH (Remove and Replace).
8. Release the LH rear caliper parking brake. See Parking Brake - Caliper - Rear - LH (Release).

9. Remove and discard the bolts that attach the LH rear caliper bracket to the knuckle.
10. Remove the LH rear brake caliper from the LH rear suspension, and then allow it to hang from the body using an S-hook.

11. 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.

12. 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.

13. Remove and discard the nut, and remove the washer that attach the LH halfshaft to the hub assembly.

14. Remove the bolt that attaches the brake rotor to the hub. Note: Remove the lug nut previously installed for early production vehicles.
15. 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.
16. Use the hub puller to free the halfshaft from the hub splines. Note: The halfshaft is removed at a later step.
17. 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.

18. Install the bolt that attaches the brake rotor to the hub. Torque 5 Nm

Note: Reinstall the lug nut previously installed for early production vehicles.

19. Install a spring compressor onto the LH rear coil spring. Line up the hooks per image and verify that the spindle goes through the body opening when the suspension is compressed.
20.  Position a support stand underneath the LH rear suspension.

21. Remove the bolt and nut that attach the LH upper aft link to the knuckle.

22. Remove the bolt and nut that attach the LH upper fore link to the knuckle.

23. Remove the bolt and nut that attach the LH toe link to the knuckle.

23. Remove and discard the nut that attaches the rear stabilizer bar link to the rear stabilizer bar.

Note: Break the nut loose, and then counter-hold the ball joint with a 5 mm hex wrench.

25. Remove the bolts that attach the LH rear damper at the top mount.  Torque 41 Nm
26. Lower the support stand to gain access for halfshaft removal.
27. Separate the halfshaft from the hub assembly, and then move the halfshaft aside.
28. Install the axle extraction tool between the rear drive unit and the inner joint of the LH halfshaft, and then strike the handle end of the extraction tool with a dead blow hammer to unseat the halfshaft.
29. Remove the halfshaft from the vehicle, and then install a halfshaft plug into the opening of the gearbox.

Halfshaft - Rear Drive Unit - LH - Install

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.

Caution: Do not apply any lubricant to the halfshaft splines. If lubricant is mistakenly applied, wipe the splines clean with a shop towel.

2. Remove the halfshaft plug from the gearbox, and then install the halfshaft into the rear drive unit.
3. Swing out the upper section of the knuckle and mate the halfshaft to the hub.
4.    Use the support stand to raise the LH rear suspension.
5. Install the washer, and install and hand-tighten a new nut to attach the halfshaft to the LH rear hub.

6. With an assistant, install and hand-tighten the bolt and nut that attach the LH toe link to the knuckle.

7. With an assistant, installl and hand-tighten the bolt and nut that attach the LH upper fore link to the knuckle.

8. With an assistant, install and hand-tighten the bolt and nut that attach the LH upper aft link to the knuckle.

9. 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. Torque 55 Nm

Note: Counter-hold the ball joint with a 5 mm hex wrench.

10. Install the bolts that attach the LH rear damper at the top mount.  Torque 41 Nm

11. Raise the support stand to simulate vehicle at ride height.

Note: Make sure that the support stand do not block access to adjust the spring compressor or suspension bolts.

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.

12. 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 378 mm.

13. 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. Torque 76 Nm

14. Tighten the bolt and nut that attach the LH upper fore link to the knuckle. Torque 76 Nm

15. 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. Torque 134 Nm
16. Remove the support stand from underneath the LH rear suspension.

17. Remove the spring compressor from the LH coil spring.

18. Install the LH rear suspension cover to the lower aft link, and then install the bolt that attaches the suspension cover to the link.  Torque 6 Nm
19. Hand-tighten the LH axle nut again.

20. 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. Torque 5 Nm

21. 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.

22. Install the bolts that attach the LH rear caliper bracket to the knuckle. Torque 80 Nm
23. Install the bolt that attaches the electrical harness bracket to the LH rear brake caliper.  Torque 5 Nm

24. Connect the electrical harness to the LH rear brake caliper connector.
25. Install the LH rear wheel arch liner. See Wheel Arch Liner - Rear - LH (Remove and Replace).
26. Install the LH rear wheel, and then hand-tighten the lug nuts that attach the LH rear wheel to the hub.
27. Lower the vehicle and put the vehicle into Park.

28. Tighten the LH rear axle nut.  Torque 245 Nm
29. Tighten the wheel lug nuts.  Torque 175 Nm
30. Install the LH rear wheel center cap or the hub cap.
31. Remove the vehicle from the lift.
32. Perform the four wheel alignment check. See Four Wheel Alignment (Check).