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2004 Infiniti Q45 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 2004 Infiniti Q45 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 Q45 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Air Bag System Precautions -> Infiniti -> Arming
Vehicle: 2004 Infiniti Q45 4.5 V8 GAS
For "Infiniti QX4" Information, Refer To "Pathfinder" In "Nissan."
- Ensure no one is inside vehicle.
- Connect battery cables as required.
- From a safe location at sides of or below air bag modules, turn ignit...
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BRAKE SERVICE PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Infiniti -> Disc Brakes -> Parking Brake Service -> FX35, FX45, G35, M45, Q45 & QX56 -> I35 -> Inspection -> Replace
Vehicle: 2004 Infiniti Q45 4.5 V8 GAS
Replace
I35
Refer to Fig. when inspecting and removing the parking brake cable.
- Remove center console.
- Disconnect warning switch connector, Fig. .
- Remove mounting bolts and adjusting nut.
- Remove parking brake cable lock plate, Fig. .
FX35, FX45, G35, M45, Q45 & QX56
- Raise and support vehicle, then remove wheels.
- Remove caliper mounting pins/bolts without disconnecting brake hose.
- If removing rear rotors, remove adjuster hole plug, then back off ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Infiniti -> Component Locations -> FX35/45, G35, I35, M35, M45, QX56 & 2002-06 Q45
Vehicle: 2004 Infiniti Q45 4.5 V8 GAS
The fuel filter is ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
DRIVESHAFT, Replace -> Front
Vehicle: 2004 Infiniti Q45 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...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Reset Procedures
Vehicle: 2004 Infiniti Q45 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...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Alternator, Replace
Vehicle: 2004 Infiniti Q45 4.5 V8 GAS
- Disconnect battery ground cable.
- Remove battery.
- Remove air intake duct.
- Remove upper radiator hose.
- Remove fan drive.
- Remove upper and lower drive belts.
- Remove alternator and stay mounting bolts.
- Remove battery ground cable mounting bolt.
- Remove alternator bracket mounting bolts.
- Disconnect alter...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Cabin Air Filter Service -> Infiniti -> 2002-06 Q45 & 2003-04 M45
Vehicle: 2004 Infiniti Q45 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...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Infiniti -> Traction Control/Slip Indicator Lamp ->
Vehicle: 2004 Infiniti Q45 4.5 V8 GAS
Drive wheel slippage is detected by the four wheel rotating signal. When wheel slip becomes excessive, the Traction Control System (TCS) operates causing the SLIP indicator lamp to illuminate. When the TCS off switch is used to cancel TCS function, the ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Radiator, Replace
Vehicle: 2004 Infiniti Q45 4.5 V8 GAS
- Drain coolant into suitable container.
- Remove cooling fan shroud, Fig. .
- Remove automatic transmission cooler lines. Plug or cap lines and openings.
- Remove upper an...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Infiniti Q45 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Infiniti Q45 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 2004 Infiniti Q45 AUTOMOBILES
Component location diagrams for most 2004 Infiniti Q45 cars and light trucks sold in the U.S. from 1990+.
 Underhood Components Diagram for 2004 Infiniti Q45 4.5 V8 GASComponents on diagram: |
 Automatic Speed Control Device Components Diagram for 2004 Infiniti Q45 4.5 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 Infiniti Q45 AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Infiniti Q45 cars and light trucks sold in the U.S.
 2004 Infiniti Q45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
 2004 Infiniti Q45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Infiniti Q45 AUTOMOBILES
OEM TSB listings for most 2004 Infiniti Q45 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: 2004 Infiniti Q45 4.5 V8 GAS Auto Systems: |
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Document: A/C System O-Ring Seal Leaks Vehicle: 2004 Infiniti Q45 4.5 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Infiniti Q45 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Infiniti Q45 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 Infiniti Q45 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 Infiniti Q45 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 Infiniti Q45 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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