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.

The communication, as NHTSA indexes it (as of 2026-10-19)
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

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories

Vehicles listed
BUICK LACROSSE	2008, 2009
BUICK RAINIER	2004, 2005, 2006, 2007
CADILLAC CTS	2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
CADILLAC CTS	2015, 2016, 2017
CADILLAC CTS-V	2014 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CADILLAC ESCALADE ESV	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV	2017, 2018
CADILLAC ESCALADE EXT	2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT 1500	2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET 3500	2016
CHEVROLET 3500	2018
CHEVROLET 4500HD	2018
CHEVROLET 5500HD	2018
CHEVROLET AVALANCHE	2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVALANCHE 1500	2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 2500	2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CAMARO	2010, 2011, 2012, 2013
CHEVROLET CAMARO	2018
CHEVROLET CAPRICE	2011 to 2017
CHEVROLET CHEVEROLET SS	2014 to 2017
CHEVROLET COLORADO	2009, 2010, 2011, 2012
CHEVROLET CORVETTE	2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
CHEVROLET EXPRESS	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET IMPALA	2006, 2007, 2008, 2009
CHEVROLET LOW CAB FORWARD 4500	2017
CHEVROLET LOW CAB FORWARD 5500	2017
CHEVROLET LOW CAB FORWARD 6500	2018
CHEVROLET MONTE CARLO	2006, 2007
CHEVROLET SILVERADO 1500	2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500	2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500 HD	2002, 2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 2500	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 3500	2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SSR	2003, 2004, 2005, 2006
CHEVROLET SUBURBAN	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET TAHOE	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET TRAILBLAZER	2003, 2004, 2005, 2006, 2007, 2008, 2009
GMC C SERIES	2004 to 2006
GMC CANYON	2009, 2010, 2011, 2012
GMC ENVOY	2003, 2004, 2005, 2006, 2007, 2008, 2009
GMC ENVOY XUV	2004 (the catalog's model; the bulletin names a series or trim of it)
GMC G SERIES	2003
GMC GM	2002
GMC SAVANA	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
GMC SIERRA 1500	2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI	2003 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI	2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI	2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
GMC YUKON DENALI	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
GMC YUKON XL	2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL	2015, 2016, 2017, 2018
HUMMER H2	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
HUMMER H3	2008, 2009, 2010
PONTIAC G8	2008, 2009, 2010
PONTIAC GRAND PRIX	2005, 2006, 2007, 2008
PONTIAC GTO	2005, 2006
SAAB 9-7X	2005, 2006, 2007, 2008, 2009

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
21V496000	2021-07-01. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
19V428000	2019-06-11. EQUIPMENT
19V328000	2019-04-25. ENGINE
2018212	2018-04-27. Accessories
18V267000	2018-04-26. EQUIPMENT
16V868000	2016-12-02. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
13V544000	2015-10-30. EQUIPMENT:OTHER:LABELS
2014577	2014-12-18. Engine
14V706000	2014-11-05. EQUIPMENT ADAPTIVE/MOBILITY
14V345000	2014-06-18. EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
00-06-01-026R	2025-12-03. Service bulletin. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
23-NA-153	2025-10-25. Service bulletin. 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	2025-10-16. Service bulletin. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
15-NA-010	2025-07-07. Service bulletin. 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	2025-06-12. Service bulletin. 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	2025-04-28. Service bulletin. 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	2025-04-10. Service bulletin. 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	2025-02-28. Service bulletin. 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	2025-02-28. Service bulletin. 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	2025-02-12. Service bulletin. 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.