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Service bulletins for the 1998 Lincoln Navigator

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.

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

By type

By component

By trouble code

Bulletins, newest first
991681999-10-04. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. A SQUEAKING NOISE FROM THE REAR WHILE LIGHTLY BRAKING FROM 64-32 KM/H (40-20 MPH) MAY OCCUR ON SOME VEHICLES. *TT
991641999-10-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION. CONCERNS WITH A HARD TO TURN IGNITION KEY AND / OR A HARD TO REMOVE KEY FROM IGNITION CYLINDER. *TT
98113441999-09-24. Service bulletin. WHEELS. SOME VEHICLES MAY EXHIBIT LOOSE LUGNUTS AND / OR BROKEN WHEEL STUDS. *TT
98113421999-09-24. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. INFORMATION ON REMOVING THE RADIO CHASSIS FROM SOME VEHICLES. *TT
98112641999-09-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONCERNS WITH TICKING NOISE ON INITIAL COLD START-UP IN PARK AND NEUTRAL POSITION. *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
9833161999-09-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMER MAY COMPLAIN OF A TICKING NOISE ON INITIAL COLD START-UP IN PARK POSITION AND NEUTRAL POSITION. *TT
9833151999-09-23. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THE 4R100 TRANSMISSION WILL HAVE AN ORANGE "PRIOR TO REPAIR" TAG ON THE FLUID PAN. *TT
9833021999-09-23. Service bulletin. WHEELS. THIS BULLETIN MENTIONS HOW SOME HUB O-RINGS MAY BE CUT DURING THE INSTALLATION OF THE WHEELS. *TT
9832841999-09-23. Service bulletin. STRUCTURE:BODY. SOME VEHICLES MAY EXPERIENCE AN AUDIBLE 50 HZ BODY BOOM. *TT
9831801999-09-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON THE NEW 4R100 TRANSMISSION. *TT
9831701999-09-22. Service bulletin. POWER TRAIN. CONCERNS WITH CODES P0500, P0503, P1501 OR P1503 WHICH MAY BE CAUSED MY A LOOSE SPEEDOMETER DRIVE GEAR. *TT
9831041999-09-22. Service bulletin. STRUCTURE:BODY. EXPERIENCING A CLUNKING NOISE WHILE TURNING. *TT
9830931999-09-22. Service bulletin. UNKNOWN OR OTHER. SOME VEHICLES EXHIBITING INACCURATE COMPASS READINGS. *TT
9830841999-09-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON ADDING OR INSTALLING A PULLEY. *TT
9830741999-09-21. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. CONCERNS WITH AXLE WIND-UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS. *TT
9820341999-09-21. Service bulletin. UNKNOWN OR OTHER. THIS BULLETIN PROVIDES A HOTLINE NUMBER TO REPORT CONCERNS WITH CERTAIN VEHICLES. *TT
98B331999-09-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OWNER NOTIFICATION FOR REPLACEMENT OF ENGINE CYLINDER HEADS. *TT
98-48021999-09-14. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. INFORMATION ON PROCEDURES TO FOLLOW WHEN INSTALLING A REAR WIPER ARM. *TT
99-46941999-09-13. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUBJECT REGARDING VEHICLES WITH FACTORY INSTALLED CD CHANGERS HAVING REVISED SHIPPING LOCATIONS FOR THE CD MAGAZINE. *TT
99127921999-09-13. Service bulletin. STRUCTURE:BODY:DOOR. CONDITIONS ON BROKENT DOOR PULL HANDLES. *TT
99127781999-09-13. Service bulletin. STEERING. INFORMATION REGARDING NEW SERVICE STEERING GEAR. *TT
9961391999-09-09. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:DRIVELINE. CONCERNS WITH FRONT DIFFERENTIAL NOISE. *TT
9961131999-09-09. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:DRIVELINE. EXPERIENCING FRONT DIFFERENTIAL NOISE. *TT
9960421999-09-08. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. INFORMATION ON USING 1999 PROCEDURES MANUAL FOR SIDE MIRROR REPLACEMENT. *TT

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