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Service bulletin PIE-0198

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 id10043014
Published by NHTSA2012-02-08
Manufacturer's numberPIE-0198
Manufacturer's date2011-11-01
NHTSA componentSTEERING:RACK AND PINION:PINION SHAFT

NHTSA's summary

CHEVROLET/GMC: SOME VEHICLES MAY EXPERIENCE FLUID LEAKING FROM FRONT DRIVE AXLE AREA. AFTER INSPECTION, PROBLEM FOUND TO BE PINION SEAL LEAKING. *PE

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 gear

Vehicles listed
CHEVROLET SILVERADO2011
GMC SIERRA2011

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
SB-10-02-33-0012011-03-28. Service bulletin. BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT. DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. TECHNICIANS HAVE BEEN REPLACING ENTIRE STEERING GEARS DUE TO NOT BEING ABLE TO SERVICE JUST LEAKING PITMAN SHAFT SEAL. *PE UPDATED 5/9/11. *PE
0702320022007-04-26. Service bulletin. EI07082 - POWER STEERING FLUID LEAKING FROM POWER STEERING GEAR/RACK ASSEMBLY. *KB UPDATED ON 09/21/07. *NJ UPDATED 10/5/07. *NJ UPDATED 2/15/08. *NJ UPDATED 5/19/08. *NJ UPDATED 2/17/10. *PE UPDATED 3/30/11. *PE