# Service bulletin 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: 10138025 - Published by NHTSA: 2018\-05\-21 - Manufacturer's number: 16\-NA\-109 - Manufacturer's date: 2017\-03\-13 - NHTSA component: STEERING ## NHTSA's summary This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10138025-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10138025-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Steering ## Vehicles listed - 2016 to 2018 BUICK CASCADA - 2009 to 2018 BUICK ENCLAVE - 2013 to 2018 BUICK ENCORE - 2016 to 2018 BUICK ENVISION - 2009 to 2018 BUICK LACROSSE - 2009 to 2011 BUICK LUCERNE - 2012 BUICK LUCERNE - 2011 to 2018 BUICK REGAL - 2012 to 2017 BUICK VERANO - 2013 to 2018 CADILLAC ATS - 2016 CADILLAC CT6 - 2017 to 2018 CADILLAC CT6 PLUG\-IN HYBRID - 2009 to 2018 CADILLAC CTS - 2009 to 2011 CADILLAC DTS - 2014 to 2017 CADILLAC ELR - 2009 to 2018 CADILLAC ESCALADE - 2009 to 2016 CADILLAC ESCALADE ESV - 2017 to 2018 CADILLAC ESCALADE ESV - 2009 to 2013 CADILLAC ESCALADE EXT - 2009 to 2016 CADILLAC SRX - 2009 to 2011 CADILLAC STS - 2012 CADILLAC STS - 2009 CADILLAC XLR - 2017 to 2018 CADILLAC XT5 - 2013 to 2018 CADILLAC XTS - 2016 CHEVROLET 3500 - 2018 CHEVROLET 3500 - 2009 to 2013 CHEVROLET AVALANCHE - 2009 to 2011 CHEVROLET AVEO - 2017 to 2018 CHEVROLET BOLT EV - 2010 to 2018 CHEVROLET CAMARO - 2011 to 2017 CHEVROLET CAPRICE - 2013 to 2015 CHEVROLET CAPTIVA - 2012 CHEVROLET CAPTIVA SPORT - 2014 to 2017 CHEVROLET CHEVEROLET SS - 2015 to 2016 CHEVROLET CITY EXPRESS - 2009 to 2010 CHEVROLET COBALT - 2009 to 2012 CHEVROLET COLORADO - 2015 to 2018 CHEVROLET COLORADO - 2009 to 2018 CHEVROLET CORVETTE - 2011 to 2018 CHEVROLET CRUZE - 2009 to 2018 CHEVROLET EQUINOX - 2009 to 2018 CHEVROLET EXPRESS - 2009 to 2011 CHEVROLET HHR - 2009 to 2018 CHEVROLET IMPALA - 2017 CHEVROLET LOW CAB FORWARD 4500 - 2018 CHEVROLET LOW CAB FORWARD 6500 - 2009 to 2018 CHEVROLET MALIBU - 2018 CHEVROLET N300 - 2017 CHEVROLET N300 MAX - 2017 CHEVROLET SILVERADO - 2009 to 2018 CHEVROLET SILVERADO 1500 - 2009 to 2018 CHEVROLET SILVERADO 2500 - 2010 to 2018 CHEVROLET SILVERADO 3500 - 2012 to 2018 CHEVROLET SONIC - 2013 to 2015 CHEVROLET SPARK - 2018 CHEVROLET SPARK - 2014 to 2017 CHEVROLET SPARK EV - 2009 to 2018 CHEVROLET SUBURBAN - 2009 to 2018 CHEVROLET TAHOE - 2009 CHEVROLET TRAILBLAZER - 2009 to 2018 CHEVROLET TRAVERSE - 2013 to 2018 CHEVROLET TRAX - 2009 CHEVROLET UPLANDER - 2011 to 2018 CHEVROLET VOLT - 2009 to 2018 GMC ACADIA - 2009 to 2012 GMC CANYON - 2015 to 2018 GMC CANYON - 2009 GMC ENVOY - 2009 to 2018 GMC SAVANA - 2017 GMC SIERRA - 2009 to 2018 GMC SIERRA 1500 - 2009 to 2018 GMC SIERRA 2500 - 2009 to 2018 GMC SIERRA 3500 - 2009 to 2013 GMC SIERRA DENALI - 2015 to 2016 GMC SIERRA DENALI - 2018 GMC SIERRA DENALI - 2010 to 2018 GMC TERRAIN - 2009 to 2010 GMC TOPKICK - 2009 to 2018 GMC YUKON - 2009 to 2013 GMC YUKON DENALI - 2009 to 2013 GMC YUKON DENALI XL - 2009 to 2011 GMC YUKON XL - 2012 to 2014 GMC YUKON XL - 2015 to 2018 GMC YUKON XL - 2009 to 2010 HUMMER H2 - 2009 to 2010 HUMMER H3 - 2009 to 2010 PONTIAC G3 - 2009 to 2010 PONTIAC G5 - 2009 to 2010 PONTIAC G6 - 2009 to 2010 PONTIAC G8 - 2009 PONTIAC MONTANA - 2009 PONTIAC PURSUIT - 2009 to 2010 PONTIAC SOLSTICE - 2009 PONTIAC TORRENT - 2009 to 2010 PONTIAC VIBE - 2009 SAAB 9\-3 - 2009 to 2010 SAAB 9\-5 - 2009 SAAB 9\-7X - 2009 SATURN ASTRA - 2010 SATURN ASTRA - 2009 to 2010 SATURN AURA - 2009 to 2010 SATURN OUTLOOK - 2009 to 2010 SATURN SKY - 2009 to 2010 SATURN VUE ## Recalls for the same vehicles and component - [2025144](/recalls/tc/2025144.md), 2025-03-20: Steering - [25V175000](/recalls/nhtsa/25V175000.md), 2025-03-20: STEERING:ELECTRIC POWER ASSIST SYSTEM - [2020291](/recalls/tc/2020291.md), 2020-06-25: Steering - [2019056](/recalls/tc/2019056.md), 2019-02-08: Steering - [19V086000](/recalls/nhtsa/19V086000.md), 2019-02-07: STEERING:ELECTRIC POWER ASSIST SYSTEM - [2018482](/recalls/tc/2018482.md), 2018-09-07: Steering - [18V586000](/recalls/nhtsa/18V586000.md), 2018-09-07: STEERING:ELECTRIC POWER ASSIST SYSTEM - [2018463](/recalls/tc/2018463.md), 2018-08-30: Steering - [2017325](/recalls/tc/2017325.md), 2017-06-29: Steering - [17V414000](/recalls/nhtsa/17V414000.md), 2017-06-29: STEERING:ELECTRIC POWER ASSIST SYSTEM ## Other bulletins for the same vehicles and component - [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers. - [13\-02\-32\-001H](/bulletins/11017868.md), 2025-05-06, Service bulletin: STEERING. This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures. - [25\-NA\-065](/bulletins/11017173.md), 2025-04-24, Service bulletin: STEERING; SERVICE BRAKES; FUEL/PROPULSION SYSTEM. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis. - [16\-NA\-109](/bulletins/11014577.md), 2025-02-28, Service bulletin: STEERING. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. - [04\-06\-01\-029K](/bulletins/11011205.md), 2024-12-04, Service bulletin: POWER TRAIN; STEERING; ENGINE. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules. - [24\-NA\-185](/bulletins/11009031.md), 2024-10-22, Service bulletin: STEERING; WHEELS. This informational bulletin provides information on Steering Bump or Clunk Noise on Rough Roads or Potholes. - [PI0659D](/bulletins/10253589.md), 2024-04-29, Service bulletin: STEERING. Groan, Squeak or Rubbing Type Noise When Turning Steering Wheel - [PI0659C](/bulletins/10253588.md), 2024-04-29, Service bulletin: STEERING. Groan, Squeak or Rubbing Type Noise When Turning Steering Wheel. - [PI0659B](/bulletins/10253587.md), 2024-04-29, Service bulletin: STEERING. Groan, Squeak or Rubbing Type Noise When Turning Steering Wheel. - [PI0659A](/bulletins/10253586.md), 2024-04-29, Service bulletin: STEERING. Groan, Squeak or Rubbing Type Noise When Turning Steering Wheel JSON: [/v1/bulletins/10138025](/v1/bulletins/10138025) [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%2016-NA-109&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10138025&vehicle=Service%20bulletin%2016-NA-109)