TSB: BUICK 9-7X, ALLURE, AVALANCHE, AVALANCHE 1500, C SERIES, CAMARO, CANYON, CAPRICE, COLORADO, CORVETTE, CTS, CTS-V, ENVOY, ESCALADE, EXPRESS, G8, GRAND PRIX, GTO, IMPALA, LACROSSE, MONTE CARLO, RAINIER, SAVANA, SIERRA, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 3500, SS, SSR, SUBURBAN, TAHOE, TRAILBLAZER, YUKON DENALI, YUKON XL (2002–2018)

Bulletin PIP4138R — October 16, 2018

Bulletin Details

Bulletin IDPIP4138R
ManufacturerBUICK
Models9-7X, ALLURE, AVALANCHE, AVALANCHE 1500, C SERIES, CAMARO, CANYON, CAPRICE, COLORADO, CORVETTE, CTS, CTS-V, ENVOY, ESCALADE, EXPRESS, G8, GRAND PRIX, GTO, IMPALA, LACROSSE, MONTE CARLO, RAINIER, SAVANA, SIERRA, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 3500, SS, SSR, SUBURBAN, TAHOE, TRAILBLAZER, YUKON DENALI, YUKON XL
Model Years2002–2018
Date IssuedOctober 16, 2018
Date Added to NHTSANovember 13, 2018
ComponentENGINE AND ENGINE COOLING
Vehicles Affected272 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code

Affected Vehicles

MakeModelYearComponent
CHEVROLET CAMARO 2018 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAPRICE 2018 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2018 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS-V 2018 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2018 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2018 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2018 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 3500 2018 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2018 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 2500 2018 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2018 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2018 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2018 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2017 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAPRICE 2017 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2017 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2017 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2017 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2017 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2017 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 2017 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 2017 060000 ENGINE AND ENGINE COOLING
CHEVROLET SS 2017 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2017 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2017 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2017 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2016 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAPRICE 2016 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2016 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS-V 2016 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2016 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2016 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2016 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 2016 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2016 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 2500 2016 060000 ENGINE AND ENGINE COOLING
CHEVROLET SS 2016 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2016 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2016 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2016 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2015 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAPRICE 2015 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2015 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS-V 2015 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2015 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2015 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2015 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 2015 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2015 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 2500 2015 060000 ENGINE AND ENGINE COOLING
CHEVROLET SS 2015 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2015 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2015 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2015 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2014 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAPRICE 2014 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2014 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2014 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2014 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2014 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2014 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 2014 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2014 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2014 060000 ENGINE AND ENGINE COOLING
CHEVROLET SS 2014 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2014 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2014 060000 ENGINE AND ENGINE COOLING
GMC YUKON XL 2014 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 2013 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2013 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAPRICE 2013 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2013 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2013 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2013 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2013 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2013 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 3500 2013 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2013 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 3500 2013 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2013 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2013 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2013 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAPRICE 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET COLORADO 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2012 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS-V 2012 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2012 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2012 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 2500 2012 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 2500 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2012 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2012 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAPRICE 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET COLORADO 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2011 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS-V 2011 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2011 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2011 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 3500 2011 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2011 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2011 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET CAMARO 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET COLORADO 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2010 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS-V 2010 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2010 060000 ENGINE AND ENGINE COOLING
PONTIAC G8 2010 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2010 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 2010 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2010 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2010 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2010 060000 ENGINE AND ENGINE COOLING
SAAB 9-7X 2009 060000 ENGINE AND ENGINE COOLING
BUICK ALLURE 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 2009 060000 ENGINE AND ENGINE COOLING
GMC CANYON 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET COLORADO 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2009 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2009 060000 ENGINE AND ENGINE COOLING
GMC ENVOY 2009 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2009 060000 ENGINE AND ENGINE COOLING
PONTIAC G8 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET IMPALA 2009 060000 ENGINE AND ENGINE COOLING
BUICK LACROSSE 2009 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2009 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 2009 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2009 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAILBLAZER 2009 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2009 060000 ENGINE AND ENGINE COOLING
SAAB 9-7X 2008 060000 ENGINE AND ENGINE COOLING
BUICK ALLURE 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 2008 060000 ENGINE AND ENGINE COOLING
GMC CANYON 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2008 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS 2008 060000 ENGINE AND ENGINE COOLING
GMC ENVOY 2008 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2008 060000 ENGINE AND ENGINE COOLING
PONTIAC G8 2008 060000 ENGINE AND ENGINE COOLING
PONTIAC GRAND PRIX 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET IMPALA 2008 060000 ENGINE AND ENGINE COOLING
BUICK LACROSSE 2008 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2008 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 2008 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2008 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAILBLAZER 2008 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2008 060000 ENGINE AND ENGINE COOLING
SAAB 9-7X 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 2007 060000 ENGINE AND ENGINE COOLING
GMC CANYON 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2007 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS-V 2007 060000 ENGINE AND ENGINE COOLING
GMC ENVOY 2007 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2007 060000 ENGINE AND ENGINE COOLING
PONTIAC GRAND PRIX 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET IMPALA 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET MONTE CARLO 2007 060000 ENGINE AND ENGINE COOLING
BUICK RAINIER 2007 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2007 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 2007 060000 ENGINE AND ENGINE COOLING
GMC SIERRA DENALI 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2007 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAILBLAZER 2007 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2007 060000 ENGINE AND ENGINE COOLING
SAAB 9-7X 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 1500 2006 060000 ENGINE AND ENGINE COOLING
GMC CANYON 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2006 060000 ENGINE AND ENGINE COOLING
CADILLAC CTS-V 2006 060000 ENGINE AND ENGINE COOLING
GMC ENVOY 2006 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2006 060000 ENGINE AND ENGINE COOLING
PONTIAC GRAND PRIX 2006 060000 ENGINE AND ENGINE COOLING
PONTIAC GTO 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET IMPALA 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET MONTE CARLO 2006 060000 ENGINE AND ENGINE COOLING
BUICK RAINIER 2006 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2006 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET SSR 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2006 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAILBLAZER 2006 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2006 060000 ENGINE AND ENGINE COOLING
SAAB 9-7X 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 1500 2005 060000 ENGINE AND ENGINE COOLING
GMC CANYON 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET CORVETTE 2005 060000 ENGINE AND ENGINE COOLING
GMC ENVOY 2005 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2005 060000 ENGINE AND ENGINE COOLING
PONTIAC GRAND PRIX 2005 060000 ENGINE AND ENGINE COOLING
PONTIAC GTO 2005 060000 ENGINE AND ENGINE COOLING
BUICK RAINIER 2005 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2005 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 HD 2005 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 2500 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 HD 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET SSR 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAILBLAZER 2005 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2005 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 1500 2004 060000 ENGINE AND ENGINE COOLING
GMC CANYON 2004 060000 ENGINE AND ENGINE COOLING
GMC ENVOY 2004 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2004 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2004 060000 ENGINE AND ENGINE COOLING
BUICK RAINIER 2004 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2004 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 HD 2004 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 2500 2004 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2004 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 HD 2004 060000 ENGINE AND ENGINE COOLING
CHEVROLET SSR 2004 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2004 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2004 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAILBLAZER 2004 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2004 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 1500 2003 060000 ENGINE AND ENGINE COOLING
GMC C SERIES 2003 060000 ENGINE AND ENGINE COOLING
GMC ENVOY 2003 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2003 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2003 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2003 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 HD 2003 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 2500 2003 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2003 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 HD 2003 060000 ENGINE AND ENGINE COOLING
CHEVROLET SSR 2003 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2003 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2003 060000 ENGINE AND ENGINE COOLING
CHEVROLET TRAILBLAZER 2003 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2003 060000 ENGINE AND ENGINE COOLING
CHEVROLET AVALANCHE 1500 2002 060000 ENGINE AND ENGINE COOLING
CADILLAC ESCALADE 2002 060000 ENGINE AND ENGINE COOLING
CHEVROLET EXPRESS 2002 060000 ENGINE AND ENGINE COOLING
GMC SAVANA 2002 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 1500 HD 2002 060000 ENGINE AND ENGINE COOLING
GMC SIERRA 3500 2002 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 2002 060000 ENGINE AND ENGINE COOLING
CHEVROLET SILVERADO 1500 HD 2002 060000 ENGINE AND ENGINE COOLING
CHEVROLET SUBURBAN 2002 060000 ENGINE AND ENGINE COOLING
CHEVROLET TAHOE 2002 060000 ENGINE AND ENGINE COOLING
GMC YUKON DENALI 2002 060000 ENGINE AND ENGINE COOLING

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (PIP4138R) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.