2004 Lincoln Navigator Service and Repair Manual

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Covers all 2004 Navigator trims — Ultimate Sport Utility 4-Door, Base Sport Utility 4-Door ·
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2004 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

  • Ultimate Sport Utility 4-Door
  • Base Sport Utility 4-Door

Engines covered

  • 5.4L 330Cu. In. V8 GAS DOHC 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
No active recalls The 2004 Lincoln Navigator has no recalls on file with NHTSA.
TSB #11005305

This article supersedes TSB 22-2219 to update the Parts List and Service Procedure to clarify applicable steps by vehicle application. Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 (non-Raptor) vehicles equipped with 4WD may exhib

TSB #10235153

For 2000-2024 Ford and Lincoln vehicles, swapping a module from a vehicle for diagnosis purposes is likely to cause errors and is not recommended. It is also not recommended to order a replacement module using a vehicle identification numbe

TSB #10214754

Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 (non-Raptor) vehicles equipped with 4WD may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the integrated wheel ends (IW

TSB #10181917

Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 vehicles equipped with TOD transfer cases may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the integrated wheel ends (

TSB #10177863

This article supersedes TSB 19-2026 to update the vehicle model years affected. Some 2000 and newer Ford/Lincoln/Mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled and/or peeling paint wi

TSB #10109070

The Powertrain Control/Emissions Diagnosis (PC/ED) manual has been revised for diagnosing electronic throttle bodies (ETBs). The ETC_ACT and ETC_DSD PIDs should not used to diagnose possible ETB concerns. The IDS has a limited refresh rate

TSB #10028736

FORD: SOME VEHICLES MAY EXHIBIT OIL SEPARATION FROM THE INTERNAL LUBE FOUND IN THE UNITIZED CARTRIDGE SEAL. OIL SEPARATION APPEARS TO BE AND IS OFTEN MISDIAGNOSED, AS AN AXLE LUBE LEAK. *PE

TSB #10022299

PARKING AID SYSTEM IS INOPERATIVE - DTC C1983. *KB

Showing the 8 most recent of 97 technical service bulletins on file with NHTSA.

20040730Component: AIR BAGS:FRONTALCrash reported2 injured

WHILE DRIVING AT 45-50 MPH VEHICLE HYDROPLANED AND CRASHED DIRECTLY INTO A BRICK WALL. UPON IMPACT, BOTH FRONTAL AIR BAGS FAILED TO DEPLOY. DEALER WAS NOTIFIED. *AK

20200711Component: VEHICLE SPEED CONTROLCrash reported1 injured

THE VEHICLE ENGAGED IN INVOLUNTARY ACCELERATION (IN REVERSE) FROM STATIONARY POSITION RIGHT AFTER SHIFTING GEARS FROM PARKING 'P' TO REVERSE 'R' AND DISENGAGING THE PARKING BRAKE. THE BRAKES WERE BEIN

20101029Component: STEERINGCrash reported

TL*THE CONTACT OWNS A 2004 LINCOLN NAVIGATOR. THE CONTACT WAS DRIVING APPROXIMATELY 15 MPH WHEN THE STEERING COLUMN LOCKED AND THEN THE STEERING WHEEL TURNED IN THE RIGHT POSITION WITHOUT WARNING. SUD

20041210Component: AIR BAGSCrash reported

CAR INVOLVED IN HIGH SPEED CRASH WITH STATIONARY OBJECT PASSENGER AIR BAG DEPLOYED DRIVERS AIR BAG DID NOT 2004 LINCOLN NAVIGATOR REPAIRS EXCEED 24000.00 INCLUDING FRAME WAS A DIRECT HIT DEAD CEN

20100628Component: SEATSFire reported

DRIVER POWER SEAT, PEDAL ADJUSTMENT AND MIRROR/FOLDING MIRRORS NOT WORKING DUE TO FAULTY WIRING. WIRING HARNESS MELTS DOWN TO FUSE BOX. UNABLE TO REPAIR WIRING BUT TO REPLACE COMPLETE WIRING SYSTEM TO

Showing the 5 most serious of 119 complaints filed with NHTSA.

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