2005 Lincoln Navigator Service and Repair Manual

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Covers all 2005 Navigator trims — Ultimate Sport Utility 4-Door, Base Sport Utility 4-Door ·
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2005 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
  • 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
No active recalls The 2005 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 #10243490

When performing any transmission fluid changes or topoffs involving MERCON SP, MERCON LV has replaced all versions of MERCON SP and can be used going forward. Mixing MERCON LV and MERCON SP in the same transmission is acceptable. After 30-J

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 #10109021

When ordering a 2005 to 2008 remanufactured 5.4L 3v or 6.8L 3v engine, spark plug boots may be provided in the packaging. Replace all black spark plug boots from the original engine with the 'brown' spark plug boots, as provided. The update

Showing the 8 most recent of 81 technical service bulletins on file with NHTSA.

20180511Component: AIR BAGSCrash reported2 injured

WHILE TRAVELING 50 MPH IN THE LINCOLN, ANOTHER DRIVER ATTEMPTED TO MAKE AN ILLEGAL LEFT TURN IN FRONT OF THE NAVIGATOR RESULTING IN IMMEDIATE SEVERE COLLISION. THE FRONT IMPACT DESTROYED THE FRONT END

20080330Component: AIR BAGSCrash reported1 injured

VEHICLE WAS INVOLVED IN A CRASH. ALL THE AIRBAGS IN THE VEHICLE DEPLOYED WITH THE EXCEPTION OF THE DRIVERS AIRBAG. PASSENGER AIRBAG DEPLOYED WITH NO PASSENGER IN SEAT. DRIVER SUFFERED CRUSHED SPINE AN

20080319Component: AIR BAGSCrash reported1 injured

05' NAVIGATOR. AIR BAGS DIDN'T DEPLOY ON IMPACT. MOMENTS AFTER IMPACT, AS A PRECAUTION I PULLED PARKING BRAKE, BUT VEHICLE ROLLED BACK AND CAUSED A 2ND IMPACT. AS A RESULT, I WAS HOSPITALIZED FOR CHES

20140505Component: POWER TRAINCrash reported

I STARTED MY LINCOLN NAVIGATOR PUT THE CAR IN DRIVE AS I PROCEEDED DRIVE 1/4 WAY,HAD TO STOP,BUT COULD NOT PUT THE VEHICLE IN ANY POSITION AFTER THAT,IN THE MIDDLE OF THE ROAD,COULD NOT MOVE THE TRUCK

20140505Component: ELECTRONIC STABILITY CONTROL (ESC)Crash reported

I STARTED MY LINCOLN NAVIGATOR PUT THE CAR IN DRIVE AS I PROCEEDED DRIVE 1/4 WAY,HAD TO STOP,BUT COULD NOT PUT THE VEHICLE IN ANY POSITION AFTER THAT,IN THE MIDDLE OF THE ROAD,COULD NOT MOVE THE TRUCK

Showing the 5 most serious of 71 complaints filed with NHTSA.

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