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2003 Infiniti FX45 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Infiniti REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Infiniti FX45 car and truck
repair procedures including Infiniti engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Infiniti FX45 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Imported Cars & Light Trucks & Vans -> 2003-04 -> Refrigerant Recovery
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
R-134a systems require the use of special service equipment designed specifically for R-134a systems. R-12 servicing equipment cannot be used on R-134a systems.
R-12 recovery stations cannot be used on R-134a systems. A separate recovery station must be used on R-134a systems. The refrigerants are not compatible and will contaminate the R-12 recovery station.
The use of refrigerant recovery and recycling stations allows the recovery and reuse of refrigerant after contaminants and moisture have been removed.
When using a recovery or recycling station...
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BRAKE SERVICE PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Infiniti -> Hydraulic Brake Systems -> Component Service -> Assemble -> Disassemble -> Inspection -> Master Cylinder -> Proportioning Valve
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
Master Cylinder
Refer to Figs. through for exploded view of master cylinder.
Disassemble
- Bend stopper cap claws outward.
- Lightly push piston into cylinder bore and remove valve stopper, Fig. .
- Remove pistons from master cylinder. If pistons are stuck in bore, apply air pressure.
- Remove reservoir tank.
Inspection
- Inspect master cylinder for scratches and pin holes.
- Inspect piston for deformation and scratches on piston cups.
- Inspect stopper cap excessive deformation of claws.
Assemble
- Install secondary and primary pistons in master ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Infiniti -> Fuel Filter Replacement -> All Models -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveabilty symptoms may occur. The vehicle may need to be driven 10...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Remove undercover using suitable tool.
- Remove cotter pin and driveshaft castle nut and washer from front hub.
- Remove ABS wheel sensor harness from strut assembly. Do not pull on wheel sensor harness.
- Remove bolts and nuts between strut assembly and steering knuckle with suitable tool.
- Remove nuts and bolts...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Component Locations
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
Refer to F...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Starter, Replace
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove front and rear engine undercovers.
- Disconnect electrical connectors from starter motor.
- Loosen transmission fluid cooler tu...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Cabin Air Filter Service -> Infiniti -> 2003-08 FX35 & FX45
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
Under normal operating conditions the cabin air filter should be replaced every 12 months or 15,000 miles. In dusty areas change the cabin air filter more often.
- Remove passenger side lower instrument panel attaching screws using suitable screwdriver.
- Disconnect harness connector and remove instrume...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Infiniti -> Automatic Transmission (AT) Check Engine Lamp ->
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
The Automatic Transmission (AT) Check lamp will be illuminated for approximately 2 seconds when the ignition switch is placed in the on position as a bulb check and then go Off. If it remains lit or comes on at any other time, a malfunction in the a...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
Lower
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at radiator outlet.
- Remove hose from radiator.
- Reposition hose clamp at thermostat housing.
- Remove hose from thermostat housing.
- Remove hose from vehicle.
- Reverse pr...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Infiniti FX45 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Infiniti FX45 4.5 V8 GAS
- Remove air duct inlet assembly and place it aside.
- Rotate or lift belt tensioner arm counterclockwise, using a suitable tool to relieve tension from drive belt. Do not rotate belt tensioner cloc...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Infiniti FX45 AUTOMOBILES
Component location diagrams for most 2003 Infiniti FX45 cars and light trucks sold in the U.S. from 1990+.
 Back Door Harness Diagram for 2003 Infiniti FX45 4.5 V8 GASComponents on diagram: |
 Navigation System Components Diagram for 2003 Infiniti FX45 4.5 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Infiniti FX45 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Infiniti FX45 cars and light trucks sold in the U.S.
 2003 Infiniti FX45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
 2003 Infiniti FX45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Infiniti FX45 AUTOMOBILES
OEM TSB listings for most 2003 Infiniti FX45 cars and light trucks sold in the U.S. from 1985+.
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Document: INTELLIGENT KEY BATTERY REPLACEMENT AND BATTERY DISCHARGE INDICATOR RESET Vehicle: 2003 Infiniti FX45 4.5 V8 GAS Auto Systems: |
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Document: A/C System O-Ring Seal Leaks Vehicle: 2003 Infiniti FX45 4.5 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Infiniti FX45 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Infiniti FX45 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 2003 Infiniti FX45 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 2003 Infiniti FX45 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 2003 Infiniti FX45 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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