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2004 Lincoln Navigator CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lincoln REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Component Replacement & Adjustment -> Expedition & Navigator -> Compressor, Replace
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
- Recover refrigerant as outlined under .
- Remove drive belt.
- Remove mounting bolt, manifold and tube assembly. Cap or plug lines and openings.
- Raise and support vehicle.
- Disconnect Crankshaft Position (CKP) sensor and compressor electrical connectors.
- Remove mounti...
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BRAKE SERVICE PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Drum Brakes -> Expedition, Explorer, E-Series, F-Series, Mountaineer, Navigator & Ranger -> Tightening Specifications
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Ford Motor Co. Light Trucks, SUVs & Vans -> Component Locations -> Blackwood, 1997-03 F150, 1997-06 F250LD, Expedition & Navigator
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
Front
The electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch located in the rear jack storage area. Failure to do so can result in unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations. Failure to follow these instructions may result in personal injury.
- With vehicle in neutral, position vehicle on a hoist.
- Remove front driveshaft shield.
- Index-mark front flange and pini...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Relearn Procedures
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
Tire pressure monitoring system is not affected by wheel and tire rotation. Tire pressure sensor training procedure must be done on a single vehicle, in an area without radio frequency noise. Radio frequency noise is generated by electrical motor and appliance operation, cellular telephones and remote transmitters, power inverters and portable entertainment equipment.
- Turn the ignition switch to off position.
- Turn the ignition switch from off position to run position 3 times, ending in run position. Do not wait more than 1 minute between each key cycle.
- Press and release the br...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Alternator, Replace
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
- Disconnect battery ground cable.
- Remove air cleaner outlet tube assembly.
- Drain cooling system into suitable container.
- Remove front air deflector.
- Remove upper radiator hose from radiator.
- Remove overflow bottle from radiator.
- Remove fan and clutch using suitable tool.
- Remove fan shroud attaching bolts, then fan shroud.
- Rotate belt tensioner clockwise, th...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Cabin Air Filter Service -> Ford Motor Co. -> 1997-2007 Expedition, F-150, Navigator, 2002 Blackwood & 2006-07 Mark LT
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
On these models, the cabin air filter is an option.
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- From under passenger side of the instrument panel behind the glove compartment, remove the cabin air filter cover to the bottom of the heater plenu...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Ford Motor Co. Trucks -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2003-09 Navigator -> Relearn -> Reset
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
Reset
The Tire Pressure Monitoring System will warn the vehicle operator of a severe low or high tire pressure condition. This system uses radio frequency pressure sensors which monitor pressure in all tires including the spare. The sensors transmit tire pressure readings to the TPMS receiver module which then transmits the tire pressure status to the Message Center. If tire pressure is severely low or high the Message Center will display a Warning Tire Very Low, Check Tire Pressure or Check Spare Tire Pressure warning. After correcting tire pressure, proceed as follows:
- Place t...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater core inlet hose clamp at engine.
- Remove hose from engine.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to in...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Lincoln Navigator AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS
- Rotate accessory drive tensioner clockwise, using a suitable tool to relieve tension fro...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Lincoln Navigator AUTOMOBILES
Component location diagrams for most 2004 Lincoln Navigator cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Lincoln Navigator AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Lincoln Navigator cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Lincoln Navigator AUTOMOBILES
OEM TSB listings for most 2004 Lincoln Navigator cars and light trucks sold in the U.S. from 1985+.
Document: WHITE FLAKES COMING FROM A/C VENTS - REVISED Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS Auto Systems: |
Document: 4 WHEEL DRIVE/ALL WHEEL DRIVE - WITH CONTROL TRAC - SHUDDER ON ACCELERATION / DECELERATION OR BINDING ON SLOW TURNS Vehicle: 2004 Lincoln Navigator 5.4 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Lincoln Navigator AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Lincoln Navigator cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2004 Lincoln Navigator cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2004 Lincoln Navigator cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2004 Lincoln Navigator cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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