# Service bulletin SB\-16\-NA\-109 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. - Type: Service bulletin - NHTSA id: 10078430 - Published by NHTSA: 2016\-08\-06 - Manufacturer's number: SB\-16\-NA\-109 - Manufacturer's date: 2016\-04\-01 - NHTSA component: STEERING:ELECTRIC POWER ASSIST SYSTEM ## NHTSA's summary "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." ## 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 - 2009 BUICK ALLURE - 2016 BUICK CASCADA - 2009 to 2016 BUICK ENCLAVE - 2013 to 2016 BUICK ENCORE - 2016 to 2017 BUICK ENVISION - 2009 to 2016 BUICK LACROSSE - 2013 BUICK LESABRE - 2009 to 2011 BUICK LUCERNE - 2012 BUICK LUCERNE - 2009 to 2010 BUICK REGAL - 2011 to 2016 BUICK REGAL - 2012 to 2017 BUICK VERANO - 2013 to 2016 CADILLAC ATS - 2009 to 2016 CADILLAC CTS - 2009 to 2011 CADILLAC DTS - 2012 CADILLAC DTS - 2014 CADILLAC ELR - 2009 to 2016 CADILLAC ESCALADE - 2009 to 2016 CADILLAC ESCALADE ESV - 2009 to 2013 CADILLAC ESCALADE EXT - 2009 to 2011 CADILLAC ESCALADE EXT 1500 - 2009 to 2012 CADILLAC ESCALADE HYBRID - 2014 CADILLAC ESCALADE HYBRID - 2009 to 2016 CADILLAC SRX - 2009 to 2011 CADILLAC STS - 2009 CADILLAC XLR - 2017 CADILLAC XT5 - 2013 to 2016 CADILLAC XTS - 2009 to 2011 CHEVROLET AVALANCHE - 2009 to 2013 CHEVROLET AVALANCHE 1500 - 2013 CHEVROLET AVALANCHE 2500 - 2009 to 2011 CHEVROLET AVEO - 2013 CHEVROLET AVEO - 2009 CHEVROLET BLAZER - 2009 CHEVROLET C4500 - 2009 CHEVROLET C6500 - 2009 CHEVROLET C7500 - 2009 CHEVROLET C8500 - 2010 to 2016 CHEVROLET CAMARO - 2011 to 2014 CHEVROLET CAPRICE - 2012 to 2016 CHEVROLET CAPRICE POLICE PURSUIT - 2011 to 2015 CHEVROLET CAPTIVA - 2009 CHEVROLET CAPTIVA SPORT - 2012 CHEVROLET CAPTIVA SPORT - 2014 to 2016 CHEVROLET CHEVEROLET SS - 2015 to 2016 CHEVROLET CITY EXPRESS - 2009 to 2010 CHEVROLET COBALT - 2011 CHEVROLET COBALT - 2009 to 2010 CHEVROLET COBALT SS - 2009 to 2012 CHEVROLET COLORADO - 2013 CHEVROLET COLORADO - 2015 to 2016 CHEVROLET COLORADO - 2009 to 2016 CHEVROLET CORVETTE - 2009 CHEVROLET CORVETTE ZR1 - 2010 to 2016 CHEVROLET CRUZE - 2009 to 2016 CHEVROLET EQUINOX - 2009 to 2016 CHEVROLET EXPRESS - 2009 to 2012 CHEVROLET EXPRESS 1500 - 2014 CHEVROLET EXPRESS 1500 - 2009 to 2011 CHEVROLET EXPRESS 2500 - 2014 CHEVROLET EXPRESS 2500 - 2009 to 2010 CHEVROLET EXPRESS 3500 - 2012 CHEVROLET EXPRESS 3500 - 2014 CHEVROLET EXPRESS 3500 - 2009 CHEVROLET EXPRESS 4500 - 2012 CHEVROLET EXPRESS 4500 - 2016 CHEVROLET EXPRESS 4500 - 2009 to 2011 CHEVROLET G VAN BUS - 2009 to 2011 CHEVROLET HHR - 2009 to 2016 CHEVROLET IMPALA - 2014 CHEVROLET LUMINA - 2009 to 2016 CHEVROLET MALIBU - 2013 CHEVROLET MALIBU ECO - 2009 to 2010 CHEVROLET MALIBU HYBRID - 2016 CHEVROLET MALIBU HYBRID - 2010 CHEVROLET MONTE CARLO - 2012 to 2015 CHEVROLET ORLANDO - 2009 to 2017 CHEVROLET SILVERADO 1500 - 2009 to 2016 CHEVROLET SILVERADO 2500 - 2009 to 2016 CHEVROLET SILVERADO 3500 - 2016 CHEVROLET SILVERADO HD - 2011 CHEVROLET SONIC - 2012 to 2016 CHEVROLET SONIC - 2013 to 2016 CHEVROLET SPARK - 2009 to 2016 CHEVROLET SUBURBAN - 2009 to 2011 CHEVROLET SUBURBAN 1500 - 2009 to 2011 CHEVROLET SUBURBAN 2500 - 2009 CHEVROLET T6500 - 2009 CHEVROLET T7500 - 2009 CHEVROLET T8500 - 2009 to 2016 CHEVROLET TAHOE - 2009 to 2012 CHEVROLET TAHOE HYBRID - 2015 to 2016 CHEVROLET TAHOE POLICE PURSUIT - 2009 CHEVROLET TRAILBLAZER - 2013 to 2014 CHEVROLET TRAILBLAZER - 2009 CHEVROLET TRAILBLAZER 360 - 2009 to 2016 CHEVROLET TRAVERSE - 2013 to 2016 CHEVROLET TRAX - 2009 CHEVROLET UPLANDER - 2011 to 2017 CHEVROLET VOLT - 2009 to 2011 CHEVROLET W\-SERIES - 2009 to 2010 CHEVROLET W3500 - 2009 to 2010 CHEVROLET W4500 - 2009 to 2010 CHEVROLET W5500 - 2009 to 2016 GMC ACADIA - 2009 GMC C4500 - 2009 GMC C5500 - 2009 GMC C6500 - 2009 GMC C7500 - 2009 GMC C8500 - 2009 to 2013 GMC CANYON - 2015 to 2016 GMC CANYON - 2009 GMC ENVOY - 2010 to 2013 GMC ENVOY - 2009 GMC ENVOY 360 - 2009 GMC EXPRESS - 2009 to 2011 GMC G VAN BUS - 2010 GMC SANANA - 2009 to 2016 GMC SAVANA - 2009 to 2011 GMC SAVANA 1500 - 2014 to 2016 GMC SAVANA 1500 - 2009 to 2010 GMC SAVANA 2500 - 2014 to 2016 GMC SAVANA 2500 - 2009 to 2010 GMC SAVANA 3500 - 2014 to 2016 GMC SAVANA 3500 - 2009 to 2016 GMC SIERRA 1500 - 2009 to 2012 GMC SIERRA 2500 - 2014 to 2016 GMC SIERRA 2500 - 2009 to 2016 GMC SIERRA 3500 - 2016 GMC SIERRA HD - 2009 GMC T6500 - 2009 to 2010 GMC T7500 - 2009 GMC T8500 - 2009 to 2016 GMC TERRAIN - 2009 GMC TOPKICK - 2009 to 2011 GMC W\-SERIES - 2009 to 2010 GMC W3500 - 2009 to 2010 GMC W4500 - 2009 to 2010 GMC W5500 - 2009 to 2016 GMC YUKON - 2009 to 2012 GMC YUKON DENALI - 2009 to 2012 GMC YUKON DENALI XL - 2009 to 2013 GMC YUKON HYBRID - 2009 to 2011 GMC YUKON XL - 2012 to 2014 GMC YUKON XL - 2015 to 2016 GMC YUKON XL - 2009 to 2011 GMC YUKON XL 1500 - 2012 GMC YUKON XL 1500 - 2009 to 2011 GMC YUKON XL 2500 - 2009 PONTIAC VIBE ## Recalls for the same vehicles and component - [18V586000](/recalls/nhtsa/18V586000.md), 2018-09-07: STEERING:ELECTRIC POWER ASSIST SYSTEM - [17V414000](/recalls/nhtsa/17V414000.md), 2017-06-29: STEERING:ELECTRIC POWER ASSIST SYSTEM - [16V108000](/recalls/nhtsa/16V108000.md), 2016-02-24: STEERING:ELECTRIC POWER ASSIST SYSTEM - [14V719000](/recalls/nhtsa/14V719000.md), 2014-11-10: STEERING:ELECTRIC POWER ASSIST SYSTEM - [14V450000](/recalls/nhtsa/14V450000.md), 2014-07-23: STEERING:ELECTRIC POWER ASSIST SYSTEM - [14V339000](/recalls/nhtsa/14V339000.md), 2014-06-19: SERVICE BRAKES, HYDRAULIC:POWER ASSIST; STEERING:HYDRAULIC POWER ASSIST SYSTEM - [14V153000](/recalls/nhtsa/14V153000.md), 2014-03-31: STEERING:ELECTRIC POWER ASSIST SYSTEM - [11V398000](/recalls/nhtsa/11V398000.md), 2011-08-05: STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS ## Other bulletins for the same vehicles and component - [PIT5076C](/bulletins/10247717.md), 2023-12-26, Service bulletin: UNKNOWN OR OTHER; STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM. Learning Issues When Repairing Service Stability/Traction Message. - [14743B](/bulletins/10247235.md), 2023-12-18, Service bulletin: POWER TRAIN; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM. Loss of Electric Power Steering \(EPS\) Assist - [120232002A](/bulletins/10245766.md), 2023-12-04, Service bulletin: POWER TRAIN; BACK OVER PREVENTION; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING:HYDRAULIC POWER ASSIST:PUMP; SERVICE BRAKES. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Pressure Hose During Extreme Low Temperature Operation \(Replace Power Steering Fluid\) - [120232001A](/bulletins/10245765.md), 2023-12-04, Service bulletin: FUEL SYSTEM, GASOLINE; STEERING; POWER TRAIN; STEERING:HYDRAULIC POWER ASSIST SYSTEM; POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS. Hydraulic Power Steering Leak at Hose Connection to Steering Rack - [18207 01](/bulletins/10212573.md), 2022-05-31, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:COLUMN; STEERING. Customer Satisfaction. Certain vehicles may have a condition in which the power steering gear motor could separate from the steering gear housing due to corrosion of the attaching bolts. If the motor separates, power steering assist may be reduced or lost, and the driver may experience an unexpected increase in steering effort, especially at low speeds. Replace the bolts that attach the electric power steering motor to the steering gear and add a protective wax coating to each bolt and the seam around the electric power steering motor. If the bolts cannot be removed due to corrosion, the steering gear must be replaced. \*\* Revised Parts Information \*\* - [18207](/bulletins/10212570.md), 2022-05-31, Service bulletin: POWER TRAIN; STEERING:ELECTRIC POWER ASSIST SYSTEM; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; WHEELS; STEERING; AIR BAGS; ENGINE AND ENGINE COOLING; STEERING:COLUMN. Customer Satisfaction. Certain vehicles may have a condition in which the power steering gear motor could separate from the steering gear housing due to corrosion of the attaching bolts. If the motor separates, power steering assist may be reduced or lost, and the driver may experience an unexpected increase in steering effort, especially at low speeds. Replace the bolts that attach the electric power steering motor to the steering gear and add a protective wax coating to each bolt and the seam around the electric power steering motor. If the bolts cannot be removed due to corrosion, the steering gear must be replaced. - [17246](/bulletins/10158905.md), 2019-04-22, Service bulletin: EQUIPMENT; STEERING:ELECTRIC POWER ASSIST SYSTEM; POWER TRAIN; STEERING. 17246 \- Service Update. Vehicles that have been serviced for an electric power steering \(EPS\) motor condition, may have had the motor installed/reinstalled with the incorrect fastener torque, resulting in insufficient clamp load. Dealers are to tighten the fasteners to the revised specification, to achieve the specified torque. - [17235](/bulletins/10158885.md), 2019-04-22, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; STEERING; EQUIPMENT; STEERING:ELECTRIC POWER ASSIST SYSTEM. 17235 \- Service Update. On certain vehicles the electric power steering \(EPS\) rack gear teeth were not properly heat treated. Dealers will replace the EPS gear. - [PIT5544B](/bulletins/10147373.md), 2018-11-13, Service bulletin: STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM. This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off. - [05\-02\-32\-008F](/bulletins/10140434.md), 2018-06-11, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:PUMP. 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. JSON: [/v1/bulletins/10078430](/v1/bulletins/10078430) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20SB-16-NA-109&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10078430&vehicle=Service%20bulletin%20SB-16-NA-109)