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Service bulletins for the 2011 Chevrolet Impala

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.

1238 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Power steering are shown. Show all

Bulletins, newest first
12-02-32-002A2018-04-23. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING. This technical bulletin provides a revision for 12-02-32-002 to add the 2013-2014 model years, add noise as a possible condition and add a Note in the Instructions section.
SB-16-NA-1092016-08-06. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM. "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE STEERING GEAR FOR A NORMAL CONDITION OF GREASE OR SEALANT ON EXTERIOR CASE OF GEAR DUE TO THE MANUFACTURING PROCESS."
PIE-00982011-03-11. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST SYSTEM. CHEVROLET: ENGINEERING INFORMATION-INCREASED STEERING EFFORT, POWER STEERING SYSTEM NOISE OR LEAKS. ENGINEERING IS ATTEMPTING TO DETERMINE ROOT CAUSE OF THE ABOVE POWER STEERING CONCERNS. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.