# Service bulletin 080730026E 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: 10139179 - Published by NHTSA: 2018\-06\-04 - Manufacturer's number: 080730026E - Manufacturer's date: 2017\-12\-12 - NHTSA component: POWER TRAIN ## NHTSA's summary This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto\-start feature, if equipped. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10139179-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10139179-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Transmission and driveline ## 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 BUICK VERANO - 2014 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 - 2009 CADILLAC XLR - 2017 to 2018 CADILLAC XT5 - 2013 to 2018 CADILLAC XTS - 2009 to 2013 CHEVROLET AVALANCHE - 2009 to 2011 CHEVROLET AVEO - 2017 to 2018 CHEVROLET BOLT EV - 2009 CHEVROLET C SERIES - 2010 to 2018 CHEVROLET CAMARO - 2011 to 2017 CHEVROLET CAPRICE - 2013 to 2014 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 - 2009 to 2018 CHEVROLET MALIBU - 2017 CHEVROLET N300 MAX - 2017 CHEVROLET SILVERADO - 2009 to 2018 CHEVROLET SILVERADO 1500 - 2009 to 2018 CHEVROLET SILVERADO 2500 - 2009 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 - 2010 CHEVROLET T SERIES - 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 - [26V289000](/recalls/nhtsa/26V289000.md), 2026-05-07: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\) - [2020520](/recalls/tc/2020520.md), 2020-10-29: Powertrain - [20V668000](/recalls/nhtsa/20V668000.md), 2020-10-29: POWER TRAIN:AUTOMATIC TRANSMISSION - [2020020](/recalls/tc/2020020.md), 2020-01-23: Powertrain - [20V038000](/recalls/nhtsa/20V038000.md), 2020-01-23: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT - [16V502000](/recalls/nhtsa/16V502000.md), 2016-07-05: ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\) - [2016341](/recalls/tc/2016341.md), 2016-06-30: Powertrain - [15V245000](/recalls/nhtsa/15V245000.md), 2015-04-24: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\) - [14V819000](/recalls/nhtsa/14V819000.md), 2014-12-24: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT - [2014589](/recalls/tc/2014589.md), 2014-12-22: Powertrain ## 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. - [PIP5966A](/bulletins/11014622.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement - [PIP5966A](/bulletins/11014621.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement - [16\-NA\-019](/bulletins/11014353.md), 2025-02-19, Service bulletin: POWER TRAIN. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. - [PIP5175F](/bulletins/11014044.md), 2025-02-10, Service bulletin: POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed. - [09\-06\-04\-026Z](/bulletins/11013069.md), 2025-01-23, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. - [PIC6454A](/bulletins/11012951.md), 2025-01-20, Service bulletin: POWER TRAIN. This Preliminary Information communicates additional information to the customer on the "No Lift Shift" feature found on all Manual Transmission equipped Camaros. - [08\-07\-30\-035I](/bulletins/11011989.md), 2024-12-19, Service bulletin: POWER TRAIN. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid. - [PIP6014](/bulletins/11011436.md), 2024-12-05, Service bulletin: POWER TRAIN. This Preliminary information communicates for Technicians installing a Service Replacement Transmission Assembly to contact Technical Assistance to make sure unit is not suspect of a snap ring concern prior to installation. - [23\-NA\-021](/bulletins/11011225.md), 2024-12-04, Service bulletin: ENGINE; POWER TRAIN. This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle. 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