Auto Parts Search
2003 Infiniti M45 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 M45 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 M45 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Infiniti -> Component Replacement & Adjustment -> Heater Core, Replace -> FX35 & FX45 -> G35 -> M45 & Q45
Vehicle: 2003 Infiniti M45 4.5 V8 GAS
On I35 models, refer to "Maxima" in .
On QX4 models, refer to "Pathfinder" in .
FX35 & FX45
- Recover refrigerant as outlined in .
- Drain coolant into suitable container.
- Remove cowl top cover.
- Remove high-pressure pipe mounting clip.
- Remove low-pressure flexible hose bracket mounting clip.
- Disconnect evaporator-side one touch joint.
- On FX35 models, remove mounting bolts and electronic control throttle assembly.
- On all models, remove heater hoses from core.
- Remove instrument panel and pad mounting bolts and screws.
- R...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 A/C & HEATER SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Infiniti -> Power Brake Units -> Description
Vehicle: 2003 Infiniti M45 4.5 V8 GAS
The vacuum assist diaphragm assembly multiplies the force exerted on the master cylinder piston in order to increase the hydraulic pressure delivered to the wheel calipers while decreasing the effort required to obtain acceptable stopping performance.
Vacuum assist units get their energy by opposing engine vacuum to atmospheric pressure. A piston, cylinder and f...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 BRAKE SERVICE PROCEDURES
FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Infiniti -> Fuel Filter Replacement -> All Models -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2003 Infiniti M45 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...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 FUEL FILTER REPLACEMENT PROCEDURES
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
DRIVESHAFT, Replace -> Front
Vehicle: 2003 Infiniti M45 4.5 V8 GAS
Front
- Place vehicle in neutral and release parking brake.
- Raise vehicle off ground and support it with safety stands in proper locations.
- Remove exhaust front tube and center muffler.
- Remove floor reinforcement.
- Loosen center bearing bracket nuts. Do not remove center bearing bracket nuts.
- Mark companion flange on front drive. Its recommended to use paint for refere...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES
TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Reset Procedures
Vehicle: 2003 Infiniti M45 4.5 V8 GAS
The Low Tire Pressure Warning lamp will illuminate for approximately one second as a bulb check when the ignition switch is placed in the On position. This system uses radio frequency pressure sensors which moni...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 TIRE PRESSURE MONITORING SYSTEM PROCEDURES
STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Starter, Replace
Vehicle: 2003 Infiniti M45 4.5 V8 GAS
- Disconnect battery ground cable.
- Raise and support engine.
- Remove engine undercover.
- Disconnect starter motor electrical connectors.
- Remove starter motor mounting bolt and nut.
- Remove lower engin...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 STARTER & ALTERNATOR REPLACEMENT PROCEDURES
CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Cabin Air Filter Service -> Infiniti -> 2002-06 Q45 & 2003-04 M45
Vehicle: 2003 Infiniti M45 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.
- Open the glove compartment.
- Pull the glove compartment strap damper clips to the righthand to remove, Fig. .
- Disconnect glove compartment strap clips.
- Remove the glove compartment retaining pins, then the glove compartment.
- Remove the glove compartment striker retaining screws.
- Disconnect the elect...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES
MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Infiniti -> Flat Tire Warning System -> M35, M45 & Q45
Vehicle: 2003 Infiniti M45 4.5 V8 GAS
When a flat tire or extremely low tire pressure is sensed, the Flat Tire Warning System will illuminate the Low Tire Pressure Warning lamp, display a FLAT TIRE message on the monitor screen and ...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 MAINTENANCE LAMP RESET PROCEDURES
RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Infiniti M45 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...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 RADIATOR & HOSE REPLACEMENT PROCEDURES
SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Infiniti M45 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Infiniti M45 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...
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 SERPENTINE BELT SERVICE PROCEDURES
COMPONENT LOCATION DIAGRAMS FOR 2003 Infiniti M45 AUTOMOBILES
Component location diagrams for most 2003 Infiniti M45 cars and light trucks sold in the U.S. from 1990+.
 Data Link Connector Diagram for 2003 Infiniti M45 4.5 V8 GASComponents on diagram: |
 Body Harness Diagram for 2003 Infiniti M45 4.5 V8 GASComponents on diagram: |
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 PARTS/COMPONENTS LOCATION DIAGRAMS!
WIRING DIAGRAMS FOR 2003 Infiniti M45 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Infiniti M45 cars and light trucks sold in the U.S.
 2003 Infiniti M45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
 2003 Infiniti M45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 WIRING DIAGRAMS!
TECHNICAL SERVICE BULLETINS FOR 2003 Infiniti M45 AUTOMOBILES
OEM TSB listings for most 2003 Infiniti M45 cars and light trucks sold in the U.S. from 1985+.
|
Document: INTELLIGENT KEY BATTERY REPLACEMENT AND BATTERY DISCHARGE INDICATOR RESET Vehicle: 2003 Infiniti M45 4.5 V8 GAS Auto Systems: |
|
Document: A/C System O-Ring Seal Leaks Vehicle: 2003 Infiniti M45 4.5 V8 GAS Auto Systems: |
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 TECHNICAL SERVICE BULLETINS!
COMPONENT/PARTS SPECIFICATIONS FOR 2003 Infiniti M45 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Infiniti M45 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 M45 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 M45 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 M45 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
CLICK HERE TO GET FULL ACCESS TO 2003 Infiniti M45 SPECIFICATIONS DATA!
Shop online for auto body parts, engines, wheels, lights...
| More parts |
