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Service bulletin 050232008

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 id10022671
Published by NHTSA2007-09-19
Manufacturer's number050232008
Manufacturer's date2011-04-01
Replaces050232008C
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST:PUMP

NHTSA's summary

GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB

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, Power steering

Vehicles listed
CADILLAC ESCALADE2003, 2004, 2005, 2006
CHEVROLET AVALANCHE2003, 2004
CHEVROLET AVALANCHE 15002005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 25002005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO2003, 2004, 2005, 2006, 2007
CHEVROLET SILVERADO 15002008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2003, 2004, 2005
CHEVROLET SUBURBAN2012
CHEVROLET SUBURBAN 15002006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 25002006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 25002008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2003, 2004, 2005, 2006
GMC SIERRA2003, 2004, 2005, 2006
GMC SIERRA2009, 2010
GMC SIERRA 25002007, 2008 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA CLASSIC2003, 2004, 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2003, 2004, 2005, 2006, 2007, 2008
GMC YUKON2012
GMC YUKON DENALI2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2003, 2004, 2005, 2006
GMC YUKON XL 25002007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
05V4550002005-10-05. 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
120232002A2023-12-04. Service bulletin. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid)
120232001A2023-12-04. Service bulletin. Hydraulic Power Steering Leak at Hose Connection to Steering Rack
05-02-32-008F2018-06-11. Service bulletin. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
13-02-32-001B2018-05-29. Service bulletin. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
13-02-32-001C2018-05-29. Service bulletin. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
05-02-32-008F2018-05-29. Service bulletin. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
PIT53382018-05-07. Service bulletin. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Power Steering or Service Hybrid System message displayed on the Driver Information Center, Charging System indicator lamp on, Loss of power steering assist, and or Loss of 12 volt battery power. Technician will need to replace the Accessory DC Power Control Module.
PI0534B2018-04-23. Service bulletin. This preliminary information bulletin provides a procedure to eliminate a whine noise that varies with engine speeds.
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.
13-02-32-001A2018-04-23. Service bulletin. This technical bulletin provides a revision for 13-02-32-001 to update the models information.