05-02-32-008F
Service Bulletin Details
Public Details for: 05-02-32-008F
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.
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File in Section: Bulletin No.: Service Bulletin Date: 02 - Steering 05-02-32-008F July, 2014 TECHNICAL Subject: Diagnosing Power Steering Concerns Models: 2003-2006 Cadillac Escalade Models 2003-2006 Chevrolet Avalanche, Suburban, Tahoe 2003-2007 Chevrolet Silverado Classic 2003-2013 Chevrolet Express 2500-4500 Series Only 2007-2010 Chevrolet Silverado 2500-3500 Series Only 2007-2013 Chevrolet Suburban 2500 Series Only 2003-2006 GMC Yukon, Yukon Denali, Yukon XL 2003-2007 GMC Sierra Classic 2003-2013 GMC Savana 2500-4500 Series Only 2007-2010 GMC Sierra 2500-3500 Series Only 2007-2013 GMC Yukon XL 2500 Series Only 2003-2009 HUMMER H2 Models This bulletin has been revised to add the HUMMER H2 models and update the Labor Operations to the Global Labor Code (GLC). Please discard Corporate Bulletin Number 05-02-32-008E. Condition In rare cases, customers may comment on a lack of steering assist when stopped or during parking lot type maneuvers. A lack of steering assist could occur if the brakes are applied and turning the steering wheel with the vehicle stopped or during parking lot type maneuvers. This condition will go away or greatly improve once the vehicle begins to move or is above parking lot speeds. Attempting to steer a stationary vehicle, with the brakes applied, preventing forward motion will require additional steering effort. This concern can be aggravated by worn tires, low tire air pressure, low power steering pump pressures, and tires larger than stock size. Correction Important: In all cases, it is recommended that the proper tire size and the maximum tire pressure is set according to the manufacturer’s specification as noted on the door placard; especially for the front tires. 1. Perform the "Power Steering System Test" found in SI. Make any necessary repairs based on system diagnosis. 1.1. FOR C/K 2500 AND 3500 VEHICLES ONLY If diagnostics did not lead to any repair, this concern is a normal operating characteristic. No further repairs should be made. Copyright 2014 General Motors LLC. All Rights Reserved. 1.2. FOR C/K 1500 SERIES VEHICLES ONLY - If diagnostics did not lead to any repair, this concern is a normal operating characteristic. 1.3. FOR G 2500, 3500 and 4500 SERIES ONLY If diagnostics did not lead to any repair, this concern is a normal operating characteristic. No further repairs should be made. 1.4. FOR HUMMER H2 VEHICLES ONLY - If diagnostics did not lead to any repair, this concern is a normal operating characteristic. No further repairs should be made. 2. If a C/K 1500 Series vehicle is equipped with a 670 gear box, replacing it with a 680 gear box may increase the customer satisfaction. 3. To determine if the vehicle is equipped with a 670 gear box, inspect the mounting bolts that attach the stub shaft housing. A 670 gear box will only have 3 mounting bolts. If the stub shaft housing does not have any mounting bolts or has 4 bolts - DO NOT PROCEED WITH THIS BULLETIN. The vehicle is not equipped with a 670 gear box. 4. If replacing a 670 gear box with a 680 gear box, it will be necessary to replace the power steering gear, union fitting and both inlet O-ring seals. Page 2 July, 2014 Parts Information (C/K 1500 Series Only) Part Number Description 88965542 Power Steering Gear 26025709 Union Fitting 26001594 Inlet O-ring Seal Bulletin No.: 05-02-32-008F Warranty Information For vehicles repaired under warranty, choose the one labor operation that reflects the corrective action: Labor Operation Power Steering Pump Replacement Use Published Labor Operation Time Steering Gear Replacement Use Published Labor Operation Time 7421280 7421740 Labor Time Description GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION