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Service bulletin SB-46-50

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 id10037124
Published by NHTSA2011-05-09
Manufacturer's numberSB-46-50
Manufacturer's date2010-09-01
NHTSA componentSTEERING:COLUMN

NHTSA's summary

FREIGHTLINER: THE PROCEDURE FOR REPLACING A FAILED THRUST BEARING IN A STEERING COLUMN. *RM

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Steering, Steering column and wheel

Vehicles listed
FREIGHTLINER CASCADIA2010
FREIGHTLINER CENTURY CLASS2010
FREIGHTLINER COLUMBIA2011
FREIGHTLINER CORONADO2010

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

Other bulletins for the same vehicles and component
sb46412019-04-01. Service bulletin. Adjusting Tilt Lock Force on TRW Steering Columns
GI-46-412011-10-12. Service bulletin. FREIGHTLINER: ADJUSTING THE CORRECT TILT LOCK FORCE ON TRW STEERING COLUMNS. *PE UPDATED 7/18/12. *PE