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TSB: BUICK AURORA, BONNEVILLE, DEVILLE, ELDORADO, EXPRESS, H2, LESABRE, PARK AVENUE, SAVANA, SEVILLE, SIERRA, SILVERADO, SUBURBAN, YUKON (1997-2005)

Bulletin 3015 - January 1, 2004

Bulletin Details

Bulletin ID3015
ManufacturerBUICK
ModelsAURORA, BONNEVILLE, DEVILLE, ELDORADO, EXPRESS, H2, LESABRE, PARK AVENUE, SAVANA, SEVILLE, SIERRA, SILVERADO, SUBURBAN, YUKON
Model Years1997-2005
Date IssuedJanuary 1, 2004
Date Added to NHTSAAugust 25, 2004
ComponentSUSPENSION
Vehicles Affected75 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

6.0L LQ4 VIN U ENGINE RESTRICTION. *TT

Affected Vehicles

MakeModelYearComponent
PONTIAC BONNEVILLE 2005 110000 ELECTRICAL SYSTEM
CADILLAC DEVILLE 2005 110000 ELECTRICAL SYSTEM
BUICK LESABRE 2005 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 2005 110000 ELECTRICAL SYSTEM
PONTIAC BONNEVILLE 2004 110000 ELECTRICAL SYSTEM
CADILLAC DEVILLE 2004 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2004 061000 ENGINE AND ENGINE COOLING:ENGINE
HUMMER H2 2004 061000 ENGINE AND ENGINE COOLING:ENGINE
BUICK LESABRE 2004 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 2004 110000 ELECTRICAL SYSTEM
GMC SAVANA 2004 061000 ENGINE AND ENGINE COOLING:ENGINE
CADILLAC SEVILLE 2004 110000 ELECTRICAL SYSTEM
GMC SIERRA 2004 020000 SUSPENSION
GMC SIERRA 2004 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SILVERADO 2004 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SILVERADO 2004 020000 SUSPENSION
CHEVROLET SUBURBAN 2004 061000 ENGINE AND ENGINE COOLING:ENGINE
GMC YUKON 2004 061000 ENGINE AND ENGINE COOLING:ENGINE
PONTIAC BONNEVILLE 2003 110000 ELECTRICAL SYSTEM
CADILLAC DEVILLE 2003 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2003 061000 ENGINE AND ENGINE COOLING:ENGINE
HUMMER H2 2003 061000 ENGINE AND ENGINE COOLING:ENGINE
BUICK LESABRE 2003 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 2003 110000 ELECTRICAL SYSTEM
GMC SAVANA 2003 061000 ENGINE AND ENGINE COOLING:ENGINE
CADILLAC SEVILLE 2003 110000 ELECTRICAL SYSTEM
GMC SIERRA 2003 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SILVERADO 2003 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SUBURBAN 2003 061000 ENGINE AND ENGINE COOLING:ENGINE
GMC YUKON 2003 061000 ENGINE AND ENGINE COOLING:ENGINE
PONTIAC BONNEVILLE 2002 110000 ELECTRICAL SYSTEM
CADILLAC DEVILLE 2002 110000 ELECTRICAL SYSTEM
CADILLAC ELDORADO 2002 110000 ELECTRICAL SYSTEM
BUICK LESABRE 2002 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 2002 110000 ELECTRICAL SYSTEM
CADILLAC SEVILLE 2002 110000 ELECTRICAL SYSTEM
GMC SIERRA 2002 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SILVERADO 2002 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SUBURBAN 2002 061000 ENGINE AND ENGINE COOLING:ENGINE
GMC YUKON 2002 061000 ENGINE AND ENGINE COOLING:ENGINE
OLDSMOBILE AURORA 2001 110000 ELECTRICAL SYSTEM
PONTIAC BONNEVILLE 2001 110000 ELECTRICAL SYSTEM
CADILLAC DEVILLE 2001 110000 ELECTRICAL SYSTEM
CADILLAC ELDORADO 2001 110000 ELECTRICAL SYSTEM
BUICK LESABRE 2001 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 2001 110000 ELECTRICAL SYSTEM
CADILLAC SEVILLE 2001 110000 ELECTRICAL SYSTEM
GMC SIERRA 2001 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SILVERADO 2001 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SUBURBAN 2001 061000 ENGINE AND ENGINE COOLING:ENGINE
GMC YUKON 2001 061000 ENGINE AND ENGINE COOLING:ENGINE
PONTIAC BONNEVILLE 2000 110000 ELECTRICAL SYSTEM
CADILLAC DEVILLE 2000 110000 ELECTRICAL SYSTEM
CADILLAC ELDORADO 2000 110000 ELECTRICAL SYSTEM
BUICK LESABRE 2000 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 2000 110000 ELECTRICAL SYSTEM
CADILLAC SEVILLE 2000 110000 ELECTRICAL SYSTEM
GMC SIERRA 2000 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SILVERADO 2000 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SUBURBAN 2000 061000 ENGINE AND ENGINE COOLING:ENGINE
GMC YUKON 2000 061000 ENGINE AND ENGINE COOLING:ENGINE
CADILLAC DEVILLE 1999 110000 ELECTRICAL SYSTEM
CADILLAC ELDORADO 1999 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 1999 110000 ELECTRICAL SYSTEM
CADILLAC SEVILLE 1999 110000 ELECTRICAL SYSTEM
GMC SIERRA 1999 061000 ENGINE AND ENGINE COOLING:ENGINE
CHEVROLET SILVERADO 1999 061000 ENGINE AND ENGINE COOLING:ENGINE
CADILLAC DEVILLE 1998 110000 ELECTRICAL SYSTEM
CADILLAC ELDORADO 1998 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 1998 110000 ELECTRICAL SYSTEM
CADILLAC SEVILLE 1998 110000 ELECTRICAL SYSTEM
CADILLAC DEVILLE 1997 110000 ELECTRICAL SYSTEM
CADILLAC ELDORADO 1997 110000 ELECTRICAL SYSTEM
BUICK PARK AVENUE 1997 110000 ELECTRICAL SYSTEM
CADILLAC SEVILLE 1997 110000 ELECTRICAL SYSTEM

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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 (3015) 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.

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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.

Back to All TSBs