WenmarOpen by Wenmar Pro

Service bulletin TB-11-03-08-001

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 id10039027
Published by NHTSA2011-06-30
Manufacturer's numberTB-11-03-08-001
Manufacturer's date2011-04-01
NHTSA componentSUSPENSION:FRONT:WHEEL BEARING

NHTSA's summary

GM: 2006-2011 IMPALA. THERE IS A GROWL NOISE IN THE FRONT OF THE VEHICLE WHEN DRIVING 20-50MPH. THIS MAY BE CAUSED BY A LOSS OF PRELOAD ON THE WHEEL BEARINGS. *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

Suspension, Wheel bearing

Vehicles listed
CHEVROLET IMPALA2006, 2007, 2008, 2009, 2010, 2011

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
11-03-08-001A2013-07-31. Service bulletin. GM: SOME VEHICLES MAY EXPERIENCE A GROWL NOISE COM FROM THE FRONT END OF THE VEHICLE. ALSO INCLUDED IMPALA LIMITED MODEL YEAR 2014*JS