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Service bulletin 20520851

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 id10145090
Published by NHTSA2018-10-01
Manufacturer's number20520851
Manufacturer's date2018-08-21
NHTSA componentENGINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

Engine difficult to start - Turbocharger damaged - V8 4.0TFSI

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

Engine, Turbocharger or supercharger

Vehicles listed
BENTLEY CONTINENTAL2012, 2013, 2014, 2015, 2016, 2017, 2018
BENTLEY FLYING SPUR2014, 2015, 2016, 2017, 2018

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