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Service bulletin No. 187-21

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 id10205984
Published by NHTSA2022-01-05
Manufacturer's numberNo. 187-21
Manufacturer's date2021-12-22
NHTSA componentSUSPENSION:FRONT; SUSPENSION; SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

NHTSA's summary

Technical information for grease leaks at the lower control arms of the front axle: check and clean control arms.

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, Control arm

Vehicles listed
PORSCHE TAYCAN2020, 2021, 2022

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