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Service bulletin SB-08-05-23-006E

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 id10037164
Published by NHTSA2011-05-11
Manufacturer's numberSB-08-05-23-006E
Manufacturer's date2010-10-01
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR; SERVICE BRAKES, AIR:DISC:ROTOR

NHTSA's summary

GM: DUE TO NEW BRAKE ROTOR STYLE THERE MAY BE A NOISE OR PULSATION FELT IN THE BRAKES. THERE IS A PROPER DIAGNOSTIC PROCEDURE. *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

Brakes, Brake rotor

Vehicles listed
BUICK LACROSSE2011
BUICK LUCERNE2009, 2010, 2011
CADILLAC DTS2009, 2010, 2011
CHEVROLET IMPALA
CHEVROLET MALIBU2011

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