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Service bulletin 040605008

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)
TypeService bulletin
NHTSA id10012115
Published by NHTSA2005-02-14
Manufacturer's number040605008
Manufacturer's date2004-07-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

AVAILABILITY OF EXHAUST MUFFLER FOR SERVICE. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions, Exhaust manifold, pipes and muffler

Vehicles listed
BUICK CENTURY2001
BUICK LESABRE2000
BUICK PARK AVENUE1999, 2000, 2001, 2002, 2003, 2004
BUICK REGAL2001
CADILLAC DEVILLE2000, 2001
CADILLAC SEVILLE2000, 2001, 2002, 2003
CHEVROLET IMPALA2002
OLDSMOBILE AURORA1999
OLDSMOBILE AURORA2000
OLDSMOBILE AURORA2001
PONTIAC BONNEVILLE1999, 2000, 2001, 2002
PONTIAC GRAND PRIX2000, 2001, 2002

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

Recalls for the same vehicles and component
15V7010002015-10-26. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:ENGINE

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
31152004-11-03. Service bulletin. ENGINE INTAKE MANIFOLD COOLANT LEAK. *SC
0406010172004-08-02. Service bulletin. NEW UPPER INTAKE MANIFOLD AND GASKET KITS. *TT
0502022002-11-10. Service bulletin. INFORMATION ON DIAGNOSING EXHAUST LEAKS ON THE FRONT BANK. *TT