TSB: BUICK AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, CANYON, COLORADO, ENVOY, ENVOY 360, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, RAINIER, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA CLASSIC, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TRAILBLAZER, TRAILBLAZER 360, YUKON, YUKON DENALI, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2000-2008)

Bulletin PIP4054A - February 1, 2008

Bulletin Details

Bulletin IDPIP4054A
ManufacturerBUICK
ModelsAVALANCHE, AVALANCHE 1500, AVALANCHE 2500, CANYON, COLORADO, ENVOY, ENVOY 360, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, RAINIER, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA CLASSIC, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TRAILBLAZER, TRAILBLAZER 360, YUKON, YUKON DENALI, YUKON XL, YUKON XL 1500, YUKON XL 2500
Model Years2000-2008
Date IssuedFebruary 1, 2008
Date Added to NHTSAApril 7, 2008
ComponentSUSPENSION:REAR
Vehicles Affected288 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

EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE

Affected Vehicles

MakeModelYearComponent
CHEVROLET AVALANCHE 1500 2008 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 1500 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC CANYON 2008 022000 SUSPENSION:REAR
GMC CANYON 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET COLORADO 2008 022000 SUSPENSION:REAR
CHEVROLET COLORADO 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC ENVOY 2008 022000 SUSPENSION:REAR
GMC ENVOY 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2008 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE ESV 2008 022000 SUSPENSION:REAR
CADILLAC ESCALADE ESV 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE EXT 2008 022000 SUSPENSION:REAR
CADILLAC ESCALADE EXT 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET EXPRESS 2008 022000 SUSPENSION:REAR
CHEVROLET EXPRESS 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SAVANA 2008 022000 SUSPENSION:REAR
GMC SAVANA 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 1500 2008 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 1500 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2500 2008 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2500 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 3500 2008 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 3500 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 1500 2008 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 1500 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 2500 2008 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 2500 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2008 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TRAILBLAZER 2008 022000 SUSPENSION:REAR
CHEVROLET TRAILBLAZER 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2008 022000 SUSPENSION:REAR
GMC YUKON 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 1500 2008 022000 SUSPENSION:REAR
GMC YUKON XL 1500 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2500 2008 022000 SUSPENSION:REAR
GMC YUKON XL 2500 2008 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 1500 2007 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 1500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 2500 2007 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 2500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC CANYON 2007 022000 SUSPENSION:REAR
GMC CANYON 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET COLORADO 2007 022000 SUSPENSION:REAR
CHEVROLET COLORADO 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC ENVOY 360 2007 022000 SUSPENSION:REAR
GMC ENVOY 360 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2007 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE ESV 2007 022000 SUSPENSION:REAR
CADILLAC ESCALADE ESV 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE EXT 2007 022000 SUSPENSION:REAR
CADILLAC ESCALADE EXT 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET EXPRESS 1500 2007 022000 SUSPENSION:REAR
CHEVROLET EXPRESS 1500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET EXPRESS 2500 2007 022000 SUSPENSION:REAR
CHEVROLET EXPRESS 2500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET EXPRESS 3500 2007 022000 SUSPENSION:REAR
CHEVROLET EXPRESS 3500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
BUICK RAINIER 2007 022000 SUSPENSION:REAR
BUICK RAINIER 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SAVANA 1500 2007 022000 SUSPENSION:REAR
GMC SAVANA 1500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SAVANA 2500 2007 022000 SUSPENSION:REAR
GMC SAVANA 2500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SAVANA 3500 2007 022000 SUSPENSION:REAR
GMC SAVANA 3500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 1500 2007 022000 SUSPENSION:REAR
GMC SIERRA 1500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 2500 2007 022000 SUSPENSION:REAR
GMC SIERRA 2500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 3500 2007 022000 SUSPENSION:REAR
GMC SIERRA 3500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA CLASSIC 2007 022000 SUSPENSION:REAR
GMC SIERRA CLASSIC 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2007 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 1500 2007 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 1500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2007 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TRAILBLAZER 360 2007 022000 SUSPENSION:REAR
CHEVROLET TRAILBLAZER 360 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2007 022000 SUSPENSION:REAR
GMC YUKON 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 1500 2007 022000 SUSPENSION:REAR
GMC YUKON XL 1500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2500 2007 022000 SUSPENSION:REAR
GMC YUKON XL 2500 2007 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 1500 2006 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 1500 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 2500 2006 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 2500 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC CANYON 2006 022000 SUSPENSION:REAR
GMC CANYON 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET COLORADO 2006 022000 SUSPENSION:REAR
CHEVROLET COLORADO 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC ENVOY 2006 022000 SUSPENSION:REAR
GMC ENVOY 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2006 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE ESV 2006 022000 SUSPENSION:REAR
CADILLAC ESCALADE ESV 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE EXT 2006 022000 SUSPENSION:REAR
CADILLAC ESCALADE EXT 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET EXPRESS 2006 022000 SUSPENSION:REAR
CHEVROLET EXPRESS 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
BUICK RAINIER 2006 022000 SUSPENSION:REAR
BUICK RAINIER 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SAVANA 2006 022000 SUSPENSION:REAR
GMC SAVANA 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 2006 022000 SUSPENSION:REAR
GMC SIERRA 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2006 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 1500 2006 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 1500 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 2500 2006 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 2500 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2006 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TRAILBLAZER 2006 022000 SUSPENSION:REAR
CHEVROLET TRAILBLAZER 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2006 022000 SUSPENSION:REAR
GMC YUKON 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2006 022000 SUSPENSION:REAR
GMC YUKON XL 2006 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 1500 2005 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 1500 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 2500 2005 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 2500 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC CANYON 2005 022000 SUSPENSION:REAR
GMC CANYON 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET COLORADO 2005 022000 SUSPENSION:REAR
CHEVROLET COLORADO 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC ENVOY 2005 022000 SUSPENSION:REAR
GMC ENVOY 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2005 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE ESV 2005 022000 SUSPENSION:REAR
CADILLAC ESCALADE ESV 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE EXT 2005 022000 SUSPENSION:REAR
CADILLAC ESCALADE EXT 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET EXPRESS 2005 022000 SUSPENSION:REAR
CHEVROLET EXPRESS 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
BUICK RAINIER 2005 022000 SUSPENSION:REAR
BUICK RAINIER 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SAVANA 2005 022000 SUSPENSION:REAR
GMC SAVANA 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 2005 022000 SUSPENSION:REAR
GMC SIERRA 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2005 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 2005 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2005 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TRAILBLAZER 2005 022000 SUSPENSION:REAR
CHEVROLET TRAILBLAZER 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2005 022000 SUSPENSION:REAR
GMC YUKON 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON DENALI 2005 022000 SUSPENSION:REAR
GMC YUKON DENALI 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2005 022000 SUSPENSION:REAR
GMC YUKON XL 2005 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 2004 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC CANYON 2004 022000 SUSPENSION:REAR
GMC CANYON 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET COLORADO 2004 022000 SUSPENSION:REAR
CHEVROLET COLORADO 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC ENVOY 2004 022000 SUSPENSION:REAR
GMC ENVOY 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2004 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE ESV 2004 022000 SUSPENSION:REAR
CADILLAC ESCALADE ESV 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE EXT 2004 022000 SUSPENSION:REAR
CADILLAC ESCALADE EXT 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET EXPRESS 2004 022000 SUSPENSION:REAR
CHEVROLET EXPRESS 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
BUICK RAINIER 2004 022000 SUSPENSION:REAR
BUICK RAINIER 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SAVANA 2004 022000 SUSPENSION:REAR
GMC SAVANA 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 2004 022000 SUSPENSION:REAR
GMC SIERRA 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2004 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 2004 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2004 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TRAILBLAZER 2004 022000 SUSPENSION:REAR
CHEVROLET TRAILBLAZER 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2004 022000 SUSPENSION:REAR
GMC YUKON 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON DENALI 2004 022000 SUSPENSION:REAR
GMC YUKON DENALI 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2004 022000 SUSPENSION:REAR
GMC YUKON XL 2004 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 2003 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC ENVOY 2003 022000 SUSPENSION:REAR
GMC ENVOY 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2003 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE ESV 2003 022000 SUSPENSION:REAR
CADILLAC ESCALADE ESV 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE EXT 2003 022000 SUSPENSION:REAR
CADILLAC ESCALADE EXT 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET EXPRESS 2003 022000 SUSPENSION:REAR
CHEVROLET EXPRESS 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SAVANA 2003 022000 SUSPENSION:REAR
GMC SAVANA 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 2003 022000 SUSPENSION:REAR
GMC SIERRA 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2003 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 2003 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2003 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TRAILBLAZER 2003 022000 SUSPENSION:REAR
CHEVROLET TRAILBLAZER 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2003 022000 SUSPENSION:REAR
GMC YUKON 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON DENALI 2003 022000 SUSPENSION:REAR
GMC YUKON DENALI 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2003 022000 SUSPENSION:REAR
GMC YUKON XL 2003 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET AVALANCHE 2002 022000 SUSPENSION:REAR
CHEVROLET AVALANCHE 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC ENVOY 2002 022000 SUSPENSION:REAR
GMC ENVOY 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2002 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE EXT 2002 022000 SUSPENSION:REAR
CADILLAC ESCALADE EXT 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 2002 022000 SUSPENSION:REAR
GMC SIERRA 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2002 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 2002 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2002 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TRAILBLAZER 2002 022000 SUSPENSION:REAR
CHEVROLET TRAILBLAZER 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2002 022000 SUSPENSION:REAR
GMC YUKON 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON DENALI 2002 022000 SUSPENSION:REAR
GMC YUKON DENALI 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2002 022000 SUSPENSION:REAR
GMC YUKON XL 2002 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2001 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2001 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 2001 022000 SUSPENSION:REAR
GMC SIERRA 2001 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2001 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2001 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 2001 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 2001 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2001 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2001 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2001 022000 SUSPENSION:REAR
GMC YUKON 2001 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON DENALI 2001 022000 SUSPENSION:REAR
GMC YUKON DENALI 2001 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2001 022000 SUSPENSION:REAR
GMC YUKON XL 2001 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CADILLAC ESCALADE 2000 022000 SUSPENSION:REAR
CADILLAC ESCALADE 2000 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC SIERRA 2000 022000 SUSPENSION:REAR
GMC SIERRA 2000 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SILVERADO 2000 022000 SUSPENSION:REAR
CHEVROLET SILVERADO 2000 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET SUBURBAN 2000 022000 SUSPENSION:REAR
CHEVROLET SUBURBAN 2000 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
CHEVROLET TAHOE 2000 022000 SUSPENSION:REAR
CHEVROLET TAHOE 2000 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON 2000 022000 SUSPENSION:REAR
GMC YUKON 2000 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON DENALI 2000 022000 SUSPENSION:REAR
GMC YUKON DENALI 2000 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
GMC YUKON XL 2000 022000 SUSPENSION:REAR
GMC YUKON XL 2000 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

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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 (PIP4054A) 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.