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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
001232000-09-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXPERIENCE SPARK KNOCK DURING LIGHT-TO-MODERATE ACCELERATIONS. *TT
115302000-08-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. WHEN DIAGNOSING CRANK / NO START ON CERTAIN VEHICLES EQUIPPED WITH PASSIVE ANTI-THEFT (PATS) CHECK THE CUSTOMERS KEY RING FOR ANY MAGNETIC OBJECTS LIKE THE MOBILE SPEEDPASS KEY WHICH MAY AFFECT THE SIGNAL TRANSMISSION BETWEEN THE PATS KEY AND THE VEHICLE TRANSCEIVER. *TT
114822000-07-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. FOR CERTAIN MODEL VEHICLES, THE 4R70W TRANSMISSION SOLENOID MOLDED LEADFRAME MUST BE REPLACED WHEN REMOVED. *TT
9851832000-06-20. Service bulletin. UNKNOWN OR OTHER. EFFECTIVE NOVEMBER 2, 1998 CERTAIN VEHICLES OF THE 4R100 ARE ADDED TO THE FQR (FORD QUALITY RENEWAL) ASSEMBLY PROGRAM. *TT
9851032000-06-20. Service bulletin. UNKNOWN OR OTHER. VEHIUCLES WITH 4.0L OHV/SOHC, 5.0L, 4.6L, 5.4L MAY EXHIBIT A MALFUNCTION INDICATOR LAMP ON WITH EVAP SYSTEM DIAGNOSTIC TROUBLE CODES P1450, P0455, P0446. *TT
121702000-06-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION CONCERNING THE OCTANE SHORTING BAR LOCATED ON THE PASSENGER SIDE OF ENGINE COMPARTMENT NEAR THE BULKHEAD IS NOT INTENDED TO BE FUNCTIONAL IN REDUCING DETONATION/SPARK KNOCK. *MJS
9850632000-06-19. Service bulletin. VEHICLE SPEED CONTROL. SUBJECT REGARDING VEHICLES EXHIBITING VIBRATION AT CRUISE OVER 50 MPH. (REPEAT MESSAGE). *TT
9850622000-06-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING IDLE VIBRATION (REPEAT MESSAGE). *TT
9850592000-06-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. EXPERIENCING COLD ENGINE KNOCK (REPEAT / REVISED MESSAGE). *TT
121542000-06-19. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. SOME VEHICLES EQUIPPED WITH PATS (SECURILOCK) EXCEPT CERTAIN MODELS NOW HAVE AVAILABILITY OF FLEET KEYS THROUGH ROTUNDA. *MJS
121392000-06-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH 4.6L OR 6.8L ENGINES MAY EXHIBIT A COLD START ENGINE NOISE UNTIL WARMED UP. *MJS
121342000-06-19. Service bulletin. POWER TRAIN. INFORMATION REGARDING VEHICLES MODELS OF THE 4R100 THAT ARE ADDED TO THE FQR (FORD QUALITY RENEWAL) ASSEMBLY PROGRAM. *MJS
138382000-06-08. Service bulletin. VISIBILITY:WINDSHIELD. CONCERNS WITH VEHICLES EXHIBITING A WINDSHIELD CREAK / SQUEAK. *TT
00382000-06-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. VEHICLES MAY EXPERIENCE SOLID PARTICLE CONTAMINANTS FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR, MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM IS NOT PROPERLY FLUSHED, FLUID IN-LINE FILTER KIT. *MJS
00222000-06-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. VEHICLES MAY EXPERIENCE PARTICLE CONTAMINANTS, FROM PRIOR TRANSMISSIION CONCERNS OR EXCESS WEAR, MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM IF NOT PROPERLY FLUSHED. *MJS
00182000-06-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. VEHICLES EQUIPPED WITH ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) , MAY EXERIENCE THE BLOWER MOTOR STAYING ON HIGH AFTER DESIRED TEMPERATURE IS REACHED AND/ OR THE SYSTEM DOES NOT MAINTAIN SET TEMPERATURE. *MJS
80512000-06-07. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. SOME VEHICLES MAY EXHIBIT A FRONT WASHER OPERATING WITHOUT COMMAND. *TT
00172000-06-07. Service bulletin. UNKNOWN OR OTHER. SUBJECT ON THE MALFUNCTION INDICATOR LAMP (MIL) MAY ILLUMINATE AND DIAGNOSTIC TROUBLE CODES MAY APPEAR. *MJS
00152000-06-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS
73632000-05-15. Service bulletin. ELECTRICAL SYSTEM. THIS BULLETINS STATES THAT THE WIRING SCHEMATIC FOR THE HEATED SEATS WAS INADVERTENTLY OMITTED FROM THE ELECTRICAL VACUUM TROUBLESHOOTING MANUAL (EVTM). REFER TO EVTM PAGES 119-1 AND 119-2 FOR THE SCHEMATICS. *TT
73532000-05-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXHIBIT A CONDITION OF NO 4X4 LOW RANGE ENGAGEMENT OR A STUCK IN 4X4 LOW RANGE, WITH NO DIAGNOSTIC TROUBLE CODES STORED IN THE GEM MODULE. *TT
130102000-05-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. SOME VEHICLES EQUIPPED WITH THE 5.4L ENGINE, 4R100 TRANSMISSION AND AN AUXILIARY TRANSMISSION OIL COOLER MAY EXHIBIT A COASTDOWN MOAN CONCERN. *TT
66862000-05-11. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SUBJECT REGARDING AIR CONDITIONER VACUUM RESERVOIR / CHECK VALVE LOCATION. *TT
66402000-05-11. Service bulletin. AIR BAGS; AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE. EXHIBITING AN AIR BAG LAMP ON INTERMITTENTLY WITH LAMP FAULT CODE (LFC) 24, OR DIAGNOSTIC TROUBLE CODE B1924 AND / OR B1342 STORED IN MEMORY. *TT
65562000-05-10. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. EXHIBITING JERKY OR UNEVEN WINDSHIELD WIPER ARM MOVEMENT. *TT

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