WenmarOpen by Wenmar Pro

Service bulletins for the 1998 Mercury Grand Marquis

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.

164 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
129502000-05-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLE ENGINES MAY CRANK WITHOUT STARTING. *TT
66172000-05-11. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. EXHIBITING AN INTERMITTENT CONCERN WHERE THE WINDOW ONE TOUCH DOWN FEATURE WILL OPERATE FROM WINDOW SWITCH LOCATIONS OTHER THAN THE DRIVER'S DOOR. *TT
65062000-05-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SOME VEHICLES MAY EXHIBIT AN EXHAUST MOAN / ROAR HEARD ON SLIGHT ACCELERATION AND AT SPEEDS NEAR 42 MPH FOR SINGLE EXHAUST AND NEAR 62 MPH ON DUAL EXHAUST CARS. *TT
72492000-03-30. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. INFORMATION ON USING PEANUT STYLE A/C FITTINGS. *TT
992422000-03-09. Service bulletin. STRUCTURE:BODY:DOOR. INFORMATION ON REPLACING AND / OR REPAIRING MALFUNCTIONING (DOOR, IGNITION AND DECKLID) LOCKS. *TT
992342000-03-09. Service bulletin. UNKNOWN OR OTHER. INFORMATION ON DIAGNOSING A VEHICLE WITH MALFUNCTION INDICATOR LAMP ILLUMINATED AND DIAGNOSTIC TROUBLE CODES P0442 AND P0455 STORED IN CONTINUOUS MEMORY. *TT
991962000-03-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. INFORMATION ON IDENTIFYING NON-APPROVED / ALTERNATE REFRIGERANTS WHICH COULD CAUSE SAFETY, AND PERFORMANCE CONCERNS IF INSTALLED IN FORD A/C SYSTEMS. *TT
991952000-03-06. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SERVICE INFORMATION FOR MUSTY AND MILDEW TYPE ODORS COMING FROM THE AIR CONDITIONING / HEATING SYSTEM. *TT
991942000-03-06. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. INFORMATION FOR SERVICING AND DIAGNOSING BRAKE VIBRATION, BRAKE INSPECTION, AND BRAKE FRICTION MATERIAL REPLACEMENT. *TT
991852000-03-06. Service bulletin. UNKNOWN OR OTHER. VEHICLES BUILT BETWEEN 3/15/1997 AND 12/31/1998 AND WITH 4R70W TRANSMISSIONS MAY EXPERIENCE DELAYED OR NO 2-3 UPSHIFT, TRANSMISSION CONTROL INDICATOR LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0782 STORED IN MEMORY. *TT
992222000-02-11. Service bulletin. ELECTRICAL SYSTEM:WIRING. SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES. *TT
992192000-02-11. Service bulletin. STEERING:LINKAGES. THIS BULLETIN MENTIONS THAT THE WORKSHOP MANUALS DO NOT CONTAIN A PROCEDURE FOR INSPECTING THE PITMAN ARM BALL JOINT FOR WEAR. *TT
9835661999-10-13. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. INFORMATION ON PROGRAMMING / DIAGNOSING ANY PASSIVE ANTI-THEFT SYSTEM (PATS) RELATED ISSUES. *TT
98113511999-09-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES WITH 4R70W TRANSMISSION MAY HAVE A HARSH REVERSE ENGAGEMENT. *TT
9835661999-09-23. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. INFORMATION REGARDING PROGRAMMING / DIAGNOSING PASSIVE ANTI-THEFT SYSTEM (PATS) RELATED ISSUES. *TT
9830731999-09-21. Service bulletin. POWER TRAIN:DRIVELINE. SOME VEHICLES MAY EXHIBIT A DRIVE LINE VIBRATION. *TT
98-48281999-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUBJECT PERTAINING TO THE SERVICE MANUAL NOT HAVING A PINPOINT TEST FOR "DEGRADED AM RECEPTION OR CONTINUOUS SEEK IN AM" IN THE DIAGNOSIS AND TESTING PORTION OF THE AUDIO CHAPTER. *TT
128931999-09-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SOME VEHICLE MAY EXHIBIT AN EXHAUST MOAN HEAR ON SLIGHT ACCELERATION. *TT
63301999-09-02. Service bulletin. UNKNOWN OR OTHER. EXPERIENCING A POPPING / SNAPPING NOISE FROM THE INSTRUMENT PANEL. *TT
63121999-09-02. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. SOME VEHICLES MAY EXPERIENCE A CONDITION WHERE ALL THE KEYLESS ENTRY FUNCTIONS ARE INOPERATIVE (I.E., KEY FOBS, POWER DOOR LOCKS, EXPRESS DOWN WINDOW, AND REMOTE TRUNK RELEASE). *TT
991391999-08-26. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. CONDITIONS WITH THE BRAKE LAMPS INADVERTENTLY DISABLING THE BRAKE SHIFT INTERLOCK. *TT
991291999-08-24. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. EXPERIENCING A WHINE / BUZZ TYPE NOISE IN THE SPEAKERS OF THE ENTERTAINMENT RADIO OR TWO-WAY RADIO ON VEHICLES WITH AN IN-TANK ELECTRIC FUEL PUMP. *TT
99961999-08-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. EXPERIENCING A DELAYED OR NO 2-3 UPSHIFT, PRIMARILY WHEN THE TRANSMISSION IS COLD ON VEHICLES WITH FORD QALITY REMANUFACTURED (FQR) 4R70W TRANSMISSION EXCHANGE UNITS WITH JULIAN BUILD BETWEEN 062-97 AND 040-99. *TT
998161999-08-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. FORD MOTOR COMPANY NOW RECOMMENDS SAE 5W-30 VISCOSITY GRADE FOR SERVICING ANY FORD GASOLINE-POWERED VEHICLE REGARDLESS OF MODEL YEAR. *TT
99B03S11999-08-16. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. INFORMATION REGARDING THE INERTIA SWITCH. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.