1998 Lincoln Navigator Service and Repair Manual

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Fits the 1998 Navigator — Base Sport Utility 4-Door ·
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1998 Lincoln Navigator service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • Base Sport Utility 4-Door

Engines covered

  • 5.4L 330Cu. In. V8 GAS SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #98V09500013/05/1998Component: WHEELS:LUGS/NUTS/BOLTS/STUDS

VEHICLE DESCRIPTION: MULTI-PURPOSE VEHICLES AND LIGHT DUTY PICKUP TRUCKS. THE LUG NUTS ON THESE VEHICLES MAY NOT CREATE SUFFICIENT CLAMP LOAD ALLOWING WHEEL MOVEMENT IN RELATION TO THE HUB/ROTOR MOU

Consequence

THIS CAN RESULT IN THE LOOSENING OF LUG NUTS, STUD FATIGUE FAILURE, AND THE POTENTIAL FOR A WHEEL SE

Remedy

OWNERS OF THESE VEHICLES WILL BE RECEIVING TWO NOTIFICATIONS. THE FIRST NOTIFICATION, WHICH BEGAN I

NHTSA #05V38800007/09/2005Component: VEHICLE SPEED CONTROL

ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH SPEED CONTROL, THE SPEED CONTROL DEACTIVATION SWITCH MAY OVERHEAT, SMOKE, OR BURN.

Consequence

A FIRE AT THE SWITCH COULD OCCUR.

Remedy

BY LETTER DATED SEPTEMBER 12, 2005, OWNERS WERE INSTRUCTED TO RETURN THEIR VEHICLES TO THEIR DEALERS

NHTSA #09E01200007/04/2009Component: EXTERIOR LIGHTING

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONF

Consequence

DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.

Remedy

SABERSPORT WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S

NHTSA #00V07300007/03/2000Component: TRAILER HITCHES

VEHICLE DESCRIPTION: MULTI-PURPOSE VEHICLES. THE TRAILER HITCH ASSEMBLY TO THE FRAME ATTACHING BOLTS COULD LOSE THE CLAMP LOAD.

Consequence

THE TRAILER HITCH COULD THEN SEPARATE FROM THE VEHICLE.

Remedy

DEALERS WILL REPLACE THE TRAILER HITCH MOUNTING BOLTS AND NUT PLATES.

TSB #10023943

SOME 1997-2008 VEHICLES EQUIPPED WITH A 4.6L 2V, 5.4L 2V, OR 6.8L 2V ENGINE--SPARK PLUG THREAD REPAIR PROCEDURE--NOT COVERED UNDER NEW VEHICLE LIMITED WARRANTY. *NJ THIS INCLUDES F-53 MOTORHOME CHASSIS. UPDATED 2/23/10. *PE

TSB #10018745

WDS COP KIT DIAGNOSTIC TIP - COIL ON PLUG (COP) IGNITION SYSTEMS - ENGINE MISFIRE OR ROUGH RUNNING. *TT

TSB #10017892

REAR AXLE NOISE REPAIR. *TT

TSB #10016789

REAR AXLE NOISE REPAIR. *SC

TSB #10014685

USE OF STAINLESS STEEL EXHAUST STUDS IN SERVICE FOR 5.4L 2V ENGINE. *TT

TSB #10014666

INTERMITTENT ROUGH IDLE - NON-COMMANDED EGR (EXHAUST GAS RECIRCULATION VALVE) FLOW. *TT

TSB #10014086

GENERAL (PCM) POWER TRAIN CONTROL MODULE PROGRAMMING PROCEDURES. *TT

TSB #10013369

GENERAL POWER TRAIN CONTROL MODULE (PCM) PROGRAMMING PROCEDURES. *TT

Showing the 8 most recent of 264 technical service bulletins on file with NHTSA.

20000915Component: TIRESCrash reported3 injured

COMPLETE TIREAD SEPARATION AND RIGHT AXLE SEPARATION, CAUSING ROLLOVER. *AK( DOT NUMBER: )

20000114Component: SUSPENSIONCrash reported3 injured

WE FIVE WERE DRIVING TO PENDLETON, OREGON FOR A NEW YEARS CELEBRATION WE WERE ALL STRAIGHT AND SOBER. THE CAR SUDDENLY SWUNG TO THE LEFT DRIVER CORRECTED TO THE RIGHT. HAPPENED AGAIN, HARDER. RAINY

20160408Component: POWER TRAINCrash reported2 injured

WHEELS ARE NOT SAFE AND VERY DANGEROUS AND RANDOMLY BREAKING OFF ALL SCREWS WHILE DRIVING AND RUINED THE FRAME AND DRIVE SHAFT TRANSMISSION SUSPENSION ETC... HIGHWAY 10 WEST AND VEHICLE BECAME UNSTOPP

20160408Component: SUSPENSIONCrash reported2 injured

WHEELS ARE NOT SAFE AND VERY DANGEROUS AND RANDOMLY BREAKING OFF ALL SCREWS WHILE DRIVING AND RUINED THE FRAME AND DRIVE SHAFT TRANSMISSION SUSPENSION ETC... HIGHWAY 10 WEST AND VEHICLE BECAME UNSTOPP

20160408Component: WHEELSCrash reported2 injured

WHEELS ARE NOT SAFE AND VERY DANGEROUS AND RANDOMLY BREAKING OFF ALL SCREWS WHILE DRIVING AND RUINED THE FRAME AND DRIVE SHAFT TRANSMISSION SUSPENSION ETC... HIGHWAY 10 WEST AND VEHICLE BECAME UNSTOPP

Showing the 5 most serious of 240 complaints filed with NHTSA.

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