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Service bulletin 1000

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 id601768
Published by NHTSA1998-08-24
Manufacturer's number1000
Manufacturer's date1998-04-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

INFORMATION ON HARMONIC TYPE NOISE FROM VEHICLE AT HIGHWAY SPEED. *YC

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 LESABRE1998
BUICK PARK AVENUE1998

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

Recalls for the same vehicles and component
20032832003-11-12. 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
1300890092023-12-11. Service bulletin. Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
0406010212005-02-15. Service bulletin. NEW REAR MAIN SEAL AND SPECIAL TOOL FOR INSTALLATION. *TT
31152004-11-03. Service bulletin. ENGINE INTAKE MANIFOLD COOLANT LEAK. *SC
0406010172004-08-02. Service bulletin. NEW UPPER INTAKE MANIFOLD AND GASKET KITS. *TT
010601008A2002-10-09. Service bulletin. SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT
010601007A2001-08-31. Service bulletin. EXPERIENCING EXCESSIVE ENGINE COOLANT CONSUMPTION, OR AN ENGINE COOLANT LEAK NEAR OR UNDER THE THROTTLE BODY AREA OF THE UPPER INTAKE MANIFOLD. *TT
0106010082001-05-17. Service bulletin. SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT
0106010072001-05-17. Service bulletin. ENGINE COOLANT CONSUMPTION OR COOLANT LEAK (INSPECT FOR MATERIAL DEGRADATION/REPLACE INTAKE MANIFOLDS) *TT UPDATED 11/02/07 *NJ
9906050052000-01-08. Service bulletin. SOME VEHICLES MAY EXHIBIT A POPPING TYPE NOISE HEARD IN THE PASSENGER COMPARTMENT. *TT
988765141998-07-01. Service bulletin. CONDITION REGARDING THE ENGINE INTERMITTENTLY STALLS DURING A CLOSED THROTTLE DECELERATION FROM ABOUT 35 MPH. *YC