Replace the Front Half-Shaft Assemblies

This procedure requires advanced automotive knowledge and specialized tools for suspension work. Ensure the vehicle is powered off and the high-voltage system is disabled according to Tesla service protocols before beginning.

1. Lift the vehicle using a professional-grade lift and remove the front wheels.
2. Disconnect the suspension components, including the steering knuckle and lower control arms, to gain access to the front half-shafts.
3. Drain the transaxle fluid if required by your specific Model X drive unit configuration to prevent leakage during shaft removal.
4. Carefully extract the existing front half-shaft assemblies from the drive unit and wheel hub.
5. Install the updated, manufacturer-approved half-shaft assemblies, ensuring they are fully seated into the drive unit splines.
6. Reassemble the suspension components and torque all fasteners to the manufacturer's specified values.
7. Refill the transaxle fluid to the correct level and verify no leaks are present.
8. Perform a road test under hard acceleration to confirm the shudder has been eliminated.

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