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Service bulletins for the 1999 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.

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

By type

By component

By trouble code

By topic

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
69302000-03-13. Service bulletin. SUSPENSION. SUBJECT REGARDING VEHICLES WITH FOUR WHEEL AIR SUSPENSION MAY REQUIRE A RIDE HEIGHT ADJUSTMENT PROCEDURE PERFORMED BEFORE SETTING ALIGNMENT. *TT
69052000-03-10. Service bulletin. ELECTRICAL SYSTEM. INFORMATION ON REMOVING AND / OR REPLACING THE GENERIC ELECTRONIC MODULE (GEM). *TT
992432000-03-10. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:SWITCH. ON SOME VEHICLES, THE FRONT WINDSHIELD WIPERS MAY OPERATE WHILE THE MULTIFUNCTION SWITCH IS IN THE OFF POSITION. *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
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
9918122000-03-06. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. VEHICLES BUILT THROUGH 1/10/1999 MAY EXHIBIT VIBRATION FELT THROUGH THE ACCELERATOR PEDAL. *TT
992242000-02-11. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. SUBJECT REGARDING FRONT WIPERS OPERATING WHILE SWITCH IS IN OFF POSITION. *TT
992222000-02-11. Service bulletin. ELECTRICAL SYSTEM:WIRING. SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES. *TT
99131381999-12-07. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. INFORMATION ON REPLACING AND REMOVING THE GENERIC ELECTRONIC MODULE (GEM). *TT
9968691999-12-06. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. THIS ONLINE BULLETIN MENTIONS THAT VEHICLES BUILT ON OR AFTER 6/25/99 NO LONGER ARE EQUIPPED WITH A MEGA FUSE BRACKET COVER (XL34-14A099-F). THE MEGA FUSE BRACKET IS LOCATED ON THE PASSENGER SIDE OF THE COWL, UNDER THE HOOD. *TT
9968051999-12-03. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. SOME VEHICLES MAY EXHIBIT AN EXTERIOR REAR VIEW MIRROR WITH A SLIGHT FLUTTER / SHAKE. *TT
9967801999-12-02. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. THIS ONLINE SERVICE BULLETIN INVOLVES VEHICLES EXHIBITING WINDNOISE AT THE TOP OF THE DOOR GLASS SEAL / WEATHERSTRIP MOLDING AREA. *TT
991571999-12-01. Service bulletin. SUSPENSION. SOME VEHICLES MAY EXHIBIT VIBRATION, SHIMMY AND BODY BOOM AT SPEEDS ABOVE 72 KM/H (45 MPH). *TT
991471999-11-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). INFORMATION ON USING THE SERVICE BAY TECHNICAL SYSTEM (SBTS) AND NEW GENERATION STAR (NGS) TESTER, AND TO UPDATE THE POWERTRAIN CONTROL MODULE (PCM) INFORMATION CHARTS. *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
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
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
98-48021999-09-14. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. INFORMATION ON PROCEDURES TO FOLLOW WHEN INSTALLING A REAR WIPER ARM. *TT
99127891999-09-13. Service bulletin. POWER TRAIN:DRIVELINE. EXPERIENCING A DRIVELINE CLUNK / JERK DURING TIP-IN. *TT

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