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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

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
71002000-03-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING TRANSMISSION TROUBLE CODES. *MJS
69992000-03-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. SUBJECT REGARDING E40D / 4R100 TRANSMISSION FLUID COOLER FLOW TEST SPECIFICATION. *TT
991431999-11-24. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SOME 4X4 VEHICLES BUILT WITH CENTER DISCONNECT FRONT AXLES MAY EXHIBIT A MOANING NOISE FROM THE FRONT DIFFERENTIAL WHILE OPERATING IN 4X2 MODE. *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
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
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
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
129051999-09-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES MAY EXPERIENCE AXLE WIND UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS ON VEHICLES EQUIPPED WITH A FOUR WHEEL DRIVE HI OR LOW RANGE MODE. *TT
99461999-09-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. CONCERNS WITH TRANSMISSION FLUID LEAKING AT THE RADIATOR. *TT
981301999-07-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE PROCEDURE FOR ORANGE SERVICE TAGGED TRANSMISSIONS. *TT
981231999-07-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXHIBIT A FLASHING TRANSMISSION CONTROL INDICATOR LAMP (TCIL) AND DIAGNOSTIC TROUBLE CODES (DTCS) 62, 628, AND / OR 1728 MAY BE STORED IN MEMORY. *TT
125911999-06-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. SOME VEHICLES EQUIPPED WITH THE 5.4L ENGINE, 4R100 TRANSMISSION AN AUXILIARY TRANSMISSION OIL COOLER MAY EXHIBIT A COASTDOWN MOANING NOISE. *TT
125721999-06-07. Service bulletin. POWER TRAIN:DRIVELINE:UNIVERSAL JOINT. VEHICLES MAY EXHIBIT A HIGH SPEED DRIVELINE VIBRATION. *TT
99461999-06-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CONCERNS WITH TRANSMISSION FLUID LEAKING AT RADIATOR. *TT
99431999-05-11. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE; POWER TRAIN. INFORMATION REGARDING REPROGRAMMING POWERTRAIN CONTROL MODULES (PCMS). *TT
9823121999-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ISSUES REGAREDING DIAGNOSTIC TROUBLE CODES ( DTCS ) P0705, P0708, P1704, AND / OR P1705 MAY BE STORED IN MEMORY. *YC
982091999-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. A " TICKING " NOISE ON INITIAL STARTUP WITH SHIFT SELECTOR IN " P " OR " N " POSITION MAY OCCUR ON SOME VEHICLES. *YC
984221998-07-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE PROCEDURE FOR ORANGE SERVICE TAGGED TRANSMISSIONS. *YC
984121998-07-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE 4R70W TRANSMISSION INSTALLED IN SOME VEHICLES WILL HAVE AN ORANGE
9711109723131998-03-30. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. A NEW DESIGN TRANSMISSION CASE AND EXTENSION HOUSING HAS BEEN RELEASED. *YC

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