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Service bulletin 070803

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 id10003814
Published by NHTSA2003-11-03
Manufacturer's number070803
Manufacturer's date2003-07-08
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

THE VME MESSAGE IS TO PROVIDE INFORMATION ABOUT A NEW PRODUCT FIELD ACTION REGARDING A CUSTOMER SATISFACTION PROGRAM FOR AN ENGINE COOLANT LEAK. THE ENGINE COOLANT MAY LEAK AT THE UPPER INTAKE MANIFOLD THROTTLE BODY GASKET OR AT THE UPPER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD GASKET. *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, Cooling system

Vehicles listed
BUICK PARK AVENUE2000, 2001, 2002, 2003
BUICK REGAL2000, 2001, 2002, 2003
CHEVROLET IMPALA2000, 2001, 2002, 2003
CHEVROLET MONTE CARLO2000, 2001, 2002, 2003
PONTIAC BONNEVILLE2000, 2001, 2002, 2003
PONTIAC GRAND PRIX2000, 2001, 2002, 2003

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

Other bulletins for the same vehicles and component
030192004-04-22. Service bulletin. ENGINE COOLANT MAY LEAK AT THE UPPER INTAKE MANIFOLD THROTTLE BODY GASKET, OR AT THE UPPER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD TO LOWER INTAKE MANIFOLD GASKET. THIS CONDITION MAY RESULT IN A LOW ENGINE COOLANT LEVEL AND HIGHER ENGINE OPERATING TEMPERATURES. *TT THIS IS A PARTS BULLETIN AND REFERS TO CUSTOMER SATISFACTION PROGRAM BULLETIN #03034. *TT
0306010162003-08-26. Service bulletin. LOSS OF COOLANT, MILKY COLORED OIL. *TT
0108022002-11-22. Service bulletin. SOME VEHICLES MAY EXHIBIT A STRONG SULFUR ODOR OR A VERY OFFENSIVE TYPE ODOR COMING FROM THE COOLING SYSTEM. *TT
006020052000-10-11. Service bulletin. SOME CUSTOMERS MAY COMMENT ABOUT DISCOLORED COOLANT IN INSIDE THE COOLING SYSTEM AND CONTAMINATION OF THE COOLANT RECOVERY RESERVOIR. *TT