Summary
This service bulletin provides instructions for replacing the front drive unit halfshafts on Tesla Model S and Model X vehicles from 2014 to 2020.
The condition being addressed is excessive vibrations during hard acceleration at higher ride height settings, which is an NVH issue and does not affect steering functionality, braking, or acceleration.
Correction Procedure
Inspect the vehicle for excessive vibrations and replace both front drive unit halfshafts with updated components. If necessary, replace the front drive unit clevis and axle seal.
The procedure involves raising and supporting the vehicle, inspecting the front drive unit clevis, and replacing the halfshafts and other components as needed.
A test drive is required to verify the correction.
Manual:
Download: Tesla Service Bulletin: Replace Front Drive Unit Halfshafts (Model S, Model X, 2014-2020)
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