# Service bulletin 19NA219 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: 10173398 - Published by NHTSA: 2020\-04\-06 - Manufacturer's number: 19NA219 - Manufacturer's date: 2020\-02\-28 - NHTSA component: ENGINE; EQUIPMENT ## NHTSA's summary This diagnostic tip provides additional information on how to diagnose a possible valve, lifter or camshaft issue. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173398-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173398-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Equipment and accessories ## Vehicles listed - 2008 to 2009 BUICK LACROSSE - 2004 to 2007 BUICK RAINIER - 2006 to 2013 CADILLAC CTS - 2015 to 2017 CADILLAC CTS - 2014 CADILLAC CTS\-V - 2002 to 2018 CADILLAC ESCALADE - 2003 to 2016 CADILLAC ESCALADE ESV - 2017 to 2018 CADILLAC ESCALADE ESV - 2007 to 2013 CADILLAC ESCALADE EXT - 2002 to 2006 CADILLAC ESCALADE EXT 1500 - 2016 CHEVROLET 3500 - 2018 CHEVROLET 3500 - 2018 CHEVROLET 4500HD - 2018 CHEVROLET 5500HD - 2007 to 2013 CHEVROLET AVALANCHE - 2002 to 2006 CHEVROLET AVALANCHE 1500 - 2002 to 2006 CHEVROLET AVALANCHE 2500 - 2010 to 2013 CHEVROLET CAMARO - 2018 CHEVROLET CAMARO - 2011 to 2017 CHEVROLET CAPRICE - 2014 to 2017 CHEVROLET CHEVEROLET SS - 2009 to 2012 CHEVROLET COLORADO - 2005 to 2017 CHEVROLET CORVETTE - 2002 to 2018 CHEVROLET EXPRESS - 2006 to 2009 CHEVROLET IMPALA - 2017 CHEVROLET LOW CAB FORWARD 4500 - 2017 CHEVROLET LOW CAB FORWARD 5500 - 2018 CHEVROLET LOW CAB FORWARD 6500 - 2006 to 2007 CHEVROLET MONTE CARLO - 2006 to 2014 CHEVROLET SILVERADO 1500 - 2017 to 2018 CHEVROLET SILVERADO 1500 - 2002 to 2005 CHEVROLET SILVERADO 1500 HD - 2002 to 2018 CHEVROLET SILVERADO 2500 - 2017 CHEVROLET SILVERADO 3500 - 2003 to 2006 CHEVROLET SSR - 2002 to 2018 CHEVROLET SUBURBAN - 2002 to 2018 CHEVROLET TAHOE - 2003 to 2009 CHEVROLET TRAILBLAZER - 2004 to 2006 GMC C SERIES - 2009 to 2012 GMC CANYON - 2003 to 2009 GMC ENVOY - 2004 GMC ENVOY XUV - 2003 GMC G SERIES - 2002 GMC GM - 2002 to 2018 GMC SAVANA - 2014 GMC SIERRA 1500 - 2007 to 2018 GMC SIERRA 2500 - 2003 GMC SIERRA DENALI - 2007 to 2013 GMC SIERRA DENALI - 2015 to 2018 GMC SIERRA DENALI - 2002 to 2018 GMC YUKON - 2002 to 2013 GMC YUKON DENALI - 2004 to 2013 GMC YUKON DENALI XL - 2002 to 2011 GMC YUKON XL - 2012 to 2014 GMC YUKON XL - 2015 to 2018 GMC YUKON XL - 2003 to 2010 HUMMER H2 - 2008 to 2010 HUMMER H3 - 2008 to 2010 PONTIAC G8 - 2005 to 2008 PONTIAC GRAND PRIX - 2005 to 2006 PONTIAC GTO - 2005 to 2009 SAAB 9\-7X ## Recalls for the same vehicles and component - [21V496000](/recalls/nhtsa/21V496000.md), 2021-07-01: EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER - [19V428000](/recalls/nhtsa/19V428000.md), 2019-06-11: EQUIPMENT - [19V328000](/recalls/nhtsa/19V328000.md), 2019-04-25: ENGINE - [2018212](/recalls/tc/2018212.md), 2018-04-27: Accessories - [18V267000](/recalls/nhtsa/18V267000.md), 2018-04-26: EQUIPMENT - [16V868000](/recalls/nhtsa/16V868000.md), 2016-12-02: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN - [13V544000](/recalls/nhtsa/13V544000.md), 2015-10-30: EQUIPMENT:OTHER:LABELS - [2014577](/recalls/tc/2014577.md), 2014-12-18: Engine - [14V706000](/recalls/nhtsa/14V706000.md), 2014-11-05: EQUIPMENT ADAPTIVE/MOBILITY - [14V345000](/recalls/nhtsa/14V345000.md), 2014-06-18: EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL ## Other bulletins for the same vehicles and component - [00\-06\-01\-026R](/bulletins/11026017.md), 2025-12-03, Service bulletin: ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. - [23\-NA\-153](/bulletins/11024485.md), 2025-10-25, Service bulletin: ENGINE. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. - [22\-NA\-080](/bulletins/11024330.md), 2025-10-16, Service bulletin: ENGINE. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. - [15\-NA\-010](/bulletins/11020254.md), 2025-07-07, Service bulletin: ENGINE. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. - [25\-NA\-100](/bulletins/11019503.md), 2025-06-12, Service bulletin: ENGINE. This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000\-mile Emission Select State Component Limited Warranty. - [25\-NA\-052](/bulletins/11017263.md), 2025-04-28, Service bulletin: ENGINE. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system. - [25\-NA\-052](/bulletins/11016942.md), 2025-04-10, Service bulletin: ENGINE. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system. - [23\-NA\-216](/bulletins/11014581.md), 2025-02-28, Service bulletin: ENGINE. This service bulletin provides a procedure to replace the exhaust resonator/muffler assembly to correct a customer concern of rattle noise from exhaust. - [16\-NA\-003](/bulletins/11014575.md), 2025-02-28, Service bulletin: ENGINE. This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle. - [22\-NA\-074](/bulletins/11014233.md), 2025-02-12, Service bulletin: ENGINE. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. 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