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Service bulletin 9811256

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 id607861
Published by NHTSA1999-10-14
Manufacturer's number9811256
Manufacturer's date1998-01-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

EXPERIENCING A HIGH PITCHED WHISTLE NOISE FROM ENGINE COMPARTMANT AT IDLE. *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
LINCOLN TOWN CAR1998

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
072122008-02-21. Service bulletin. SOME 1997-2008 VEHICLES EQUIPPED WITH A 4.6L 2V, 5.4L 2V, OR 6.8L 2V ENGINE--SPARK PLUG THREAD REPAIR PROCEDURE--NOT COVERED UNDER NEW VEHICLE LIMITED WARRANTY. *NJ THIS INCLUDES F-53 MOTORHOME CHASSIS. UPDATED 2/23/10. *PE
05N042006-01-25. Service bulletin. EXTENDED COVERAGE PROGRAM 05N04 - EXTENDED COVERAGE FOR COMPOSITE INTAKE MANIFOLD. THIS PROGRAM IS BEING PROVIDED AS A SETTLEMENT TO A CLASS ACTION LAWSUIT. THE TERMS OF THE SETTLEMENT EXTEND THE COVERAGE OF THE ALL-COMPOSITE INTAKE MANIFOLD TO 7 YEARS FROM THE ORIGINAL WARRANTY START DATE OF THE VEHICLE, WITH NO LIMIT ON THE NUMBER OF MILES THAT THE VEHICLE HAS BEEN DRIVEN. *TT
0416012006-01-13. Service bulletin. WDS COP KIT DIAGNOSTIC TIP - COIL ON PLUG (COP) IGNITION SYSTEMS - ENGINE MISFIRE OR ROUGH RUNNING. *TT
02222002-04-19. Service bulletin. SOME VEHICLES MAY EXHIBIT AN INTAKE MANIFOLD CROSSOVER (FIRST RUNNER) COOLANT SEEPAGE CONDITION. *TT
012462002-04-18. Service bulletin. ENGINE OIL SYSTEM PRIMING PROCEDURES, SERVICE TIPS FOR REPORTS OF PREMATURE ENGINE FAILURE. *TT
02142002-04-11. Service bulletin. SOME ENGINE ASSEMBLIES WITH ALUMINUM CYLINDER HEADS REPAIRED IN-VEHILE HAVE BEEN FOUND TO LEAK COOLANT AND/OR OIL FROM THE CYLINDER HEAD GASKET AREA. *TT
012052002-02-26. Service bulletin. SOME VEHICLES MAY EXHIBIT VACUUM OR AIR LEAKS IN THE INTAKE MANIFOLD AND / OR ENGINE SYSTEM CAUSING DIAGNOSTIC TROUBLE CODES P0171 AND OR P0174. *TT
0121102002-02-22. Service bulletin. SOME VEHICLES EQUIPPED WITH THE ROMEO BUILT 4.6L 2V ENGINE MAY EXHIBIT AN ENGINE OIL LEAK OR OIL WEEPAGE FROM THE CYLINDER HEAD GASKET AT THE RIGHT HAND REAR OR THE LEFT HAND FRONT OF THE ENGINE. *TT
151582001-11-07. Service bulletin. SOME VEHICLES MAY EXHIBIT A FEAD BELT JUMP-OFF TOSS. *YH
141812001-07-24. Service bulletin. VEHICLES BUILT UP TO DECEMBER OF 1999 MAY EXHIBIT A CLUNK NOISE FROM THE REAR OF THE VEHICLE WHEN DRIVING OVER SPEED BUMPS. THIS MAY BE CAUSED BY THE FILL-LIMITING VALVE INSIDE THE FUEL TANK. *TT