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Service bulletin 030604030

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 id10002166
Published by NHTSA2003-08-15
Manufacturer's number030604030
Manufacturer's date2007-03-01
Replaces030604030C
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *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

Vehicles listed
BUICK CENTURY2000, 2001, 2002, 2003, 2004
BUICK LESABRE2000, 2001, 2002, 2003, 2004
BUICK PARK AVENUE2000, 2001, 2002, 2003, 2004
BUICK REGAL2000, 2001, 2002, 2003, 2004
BUICK RENDEZVOUS2002, 2003, 2004
CADILLAC ESCALADE2002, 2003, 2004
CADILLAC ESCALADE ESV2004 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2004 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET ASTRO2002 to 2004
CHEVROLET AVALANCHE2002, 2003, 2004
CHEVROLET BLAZER2003, 2004
CHEVROLET CAMARO2000, 2001, 2002
CHEVROLET CAVALIER2000, 2001, 2002, 2003, 2004
CHEVROLET CLASSIC2004
CHEVROLET COLORADO2004
CHEVROLET EXPRESS2001, 2002, 2003, 2004
CHEVROLET IMPALA2000, 2001, 2002, 2003, 2004
CHEVROLET JIMMY
CHEVROLET LUMINA2000, 2001
CHEVROLET LUMINA2002
CHEVROLET MALIBU2000, 2001, 2002, 2003, 2004
CHEVROLET MONTE CARLO2000, 2001, 2002, 2003, 2004
CHEVROLET S102000
CHEVROLET S102003 to 2004
CHEVROLET SILVERADO2000, 2001, 2002, 2003, 2004
CHEVROLET SONOMA2000
CHEVROLET SUBURBAN2000, 2001, 2002, 2003, 2004
CHEVROLET TAHOE2000, 2001, 2002, 2003, 2004
CHEVROLET TRAILBLAZER2002, 2003, 2004
CHEVROLET VENTURE2000, 2001, 2002, 2003, 2004
GMC CANYON2004
GMC DENALI2001 to 2003
GMC ENVOY2002, 2003, 2004
GMC ENVOY XL2004 (the catalog's model; the bulletin names a series or trim of it)
GMC JIMMY2004
GMC SAFARI2002, 2003, 2004
GMC SAVANA2001, 2002, 2003, 2004
GMC SIERRA2000, 2001, 2002, 2003, 2004
GMC SONOMA2003, 2004
GMC YUKON2000, 2001, 2002, 2003, 2004
HUMMER H22003, 2004
HUMMER H32006, 2007
OLDSMOBILE ALERO2000, 2001, 2002, 2003, 2004
OLDSMOBILE BRAVADA2002, 2003, 2004
OLDSMOBILE SILHOUETTE2000, 2001, 2002, 2003, 2004
PONTIAC AZTEK2001, 2002, 2003, 2004
PONTIAC BONNEVILLE2000, 2001, 2002, 2003, 2004
PONTIAC FIREBIRD2000, 2001, 2002
PONTIAC GRAND AM2000, 2001, 2002, 2003, 2004
PONTIAC GRAND PRIX2000, 2001, 2002, 2003, 2004
PONTIAC MONTANA2002, 2003, 2004
PONTIAC SUNFIRE2000, 2001, 2002, 2003, 2004
PONTIAC TRANS SPORT2000 to 2001
SAAB 9-7X2005, 2006, 2007

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
20155012015-10-23. Engine
15V2010002015-04-06. ENGINE AND ENGINE COOLING:ENGINE
20151452015-04-02. Engine
20091052009-04-08. Engine
09V1160002009-04-08. ENGINE AND ENGINE COOLING
08V1180002008-03-12. ENGINE AND ENGINE COOLING
20080812008-03-05. Engine
20073632007-11-09. Engine
07V5210002007-11-07. ENGINE AND ENGINE COOLING

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
03-06-01-023I2025-01-17. Service bulletin. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
03-06-01-023H2024-11-14. Service bulletin. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
04-06-04-051J2024-10-31. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
09-06-04-026Y2024-09-05. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
01-06-01-011P2024-09-05. Service bulletin. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
16-NA-3832024-07-16. Service bulletin. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
15-00-89-004G2024-05-15. Service bulletin. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
16-NA-3832024-03-19. Service bulletin. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
06-06-01-019C2024-03-19. Service bulletin. This bulletin advises the technician of possible location of an internal coolant leak from a specific cylinder head and location.
22-NA-0742024-02-29. 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.