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Service bulletin PI0939

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 id10134677
Published by NHTSA2018-04-23
Manufacturer's numberPI0939
Manufacturer's date2013-03-26
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST SYSTEM

NHTSA's summary

This preliminary information bulletin provides a procedure for power steering gear inlet pipe O ring seal replacement due to fluid leaking from the power steering pump area.

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

Steering, Power steering

Vehicles listed
CHEVROLET IMPALA2012, 2013

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

Recalls for the same vehicles and component
11V3980002011-08-05. STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
12-02-32-002A2018-04-23. Service bulletin. 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.
15-NA-0902017-08-15. Service bulletin. This technical bulletin provides a procedure to replace the power steering fluid cooling pipe and engine oil cooling pipe for concerns of power steering lines or engine oil lines leaking due to rubbing
SB-16-NA-1092016-08-06. Service bulletin. "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."
PI09392016-06-17. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI-06712012-04-17. Service bulletin. GENERAL MOTORS: RESERVOIR FOR POWER STEERING FLUID IS HEAT DAMAGED AND LEAKING. MAY CAUSED PROBLEMS WITH POWER STEERING PUMP. *PE