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Service bulletin SB-20-31-004

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10179542
Published by NHTSA2020-09-08
Manufacturer's numberSB-20-31-004
Manufacturer's date2020-08-14
NHTSA componentSUSPENSION

NHTSA's summary

Certain Model 3 vehicles were manufactured with LH front damper assemblies that do not meet internal specifications, which may result in elevated NVH (Noise, Vibration, and Harshness) from the front of the vehicle.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension

Vehicles listed
TESLA MODEL 32020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20216492021-10-25. Suspension
21V8350002021-10-25. SUSPENSION:FRONT; SUSPENSION:CRITICAL FASTENERS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SB-25-31-0042025-07-04. Service bulletin. A firmware diagnosis feature is being introduced on Model 3 and Model Y vehicles that monitors wheel alignment over time. This feature detects changes in wheel alignment that may be related to incorrect tire pressures, degraded ball joints, bushings or damaged suspension links. If the feature determines that an inspection at a Tesla Service Center is required, a customer-facing alert will appear on the touchscreen.
SB-20-31-006 R32021-11-08. Service bulletin. On certain Model 3, Model Y, and Model X vehicles, there may be a water ingress path to both front upper control arm ball joints that, over time, could possibly lead to surface corrosion of these ball joints. This may result in a creaking sound coming from the front suspension when steering at low speeds and under high loads. This is exclusively an NVH condition only and does not result in premature failure of the ball joints.
SB-20-31-006 R22021-11-08. Service bulletin. On certain Model 3, Model Y, and Model X vehicles, there may be a water ingress path to both front upper control arm ball joints that, over time, could possibly lead to surface corrosion of these ball joints. This may result in a creaking sound coming from the front suspension when steering at low speeds and under high loads. This is exclusively an NVH condition only and does not result in premature failure of the ball joints.
SB-20-31-0052020-09-08. Service bulletin. Certain Model 3 vehicles were manufactured with RH front damper assemblies that do not meet internal specifications, which may result in elevated NVH (Noise, Vibration, and Harshness) from the front of the vehicle.
SB-20-31-0022020-04-06. Service bulletin. On some Model 3 vehicles, the LH and/or RH rear damper top mount bolts were not fastened according to internal specifications and may create noise, vibration, and harshness.