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Infiniti Q45 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Infiniti REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 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 Infiniti Q45 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Infiniti Q45 cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1998-2000 -> System Inspection -> Compressor -> Condenser -> Evaporator -> Receiver-Drier/Accumulator -> Refrigerant Line Restrictions -> Thermostatic Expansion Valve
Vehicle: 1998 Infiniti Q45 4.1 V8 GAS
While a detailed diagnostic procedure for all air conditioning systems would be impractical due to the many variations in construction and operation, there are three fundamental components of a total diagnosis:
- Refrigerant systems must have an adequate, but not excessive charge.
- Determination must be made whether the refrigerant system is governed by a cycling clutch compressor or by valves which control evaporator pressure.
- The air distribution system (blower motor, switches, vacuum lines and air ducts) must be operational before checking the ...
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BRAKE SERVICE PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Infiniti Q45 cars and light trucks from 1990+.
Power Brake Units -> Troubleshooting
Vehicle: 1995 Infiniti Q45 4.5 V8 GAS
- With engine off, depress brake pedal several times. There should be no change in pedal stroke.
- With brake pedal depressed, start engine. Pedal should go down slightly.
- Run engine for two minutes, then turn engine off. Depress brake pedal slowly several times...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. for 1980+.
Infiniti -> Fuel Filter Scheduled Maintenance -> All Models -> Normal Service -> Severe Service
Vehicle: 2003 Infiniti Q45 4.5 V8 GAS
Normal Service
Service as req...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Infiniti Q45 cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 1990 Infiniti Q45 4.5 V8 GAS
- Raise and support vehicle, then remove rear wheels.
- Remove wheel bearing locknut.
- Remove side flange mounting bolts from final drive side, then separate shaft.
- On wheel si...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. from mid 1990's+.
Component Locations
Vehicle: 2005 Infiniti Q45 4.5 V8 GAS
Refer to F...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Infiniti Q45 cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1996 Infiniti Q45 4.5 V8 GAS
- Drain approximately one liter of coolant.
- Remove radiator upper hose and radiator bracket.
- Remove radiator shroud.
- Remove cooling fan.
- Remove alternator upper bracket.
- Remove air conditioner pipe mounting bracket.
- Remove idler pulley.
- Remove drive belt.
- Remove tw...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. as equipped to the current model year.
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 Infiniti Q45 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. from 1990+.
Infiniti -> Flat Tire Warning System -> M35, M45 & Q45
Vehicle: 1999 Infiniti Q45 4.1 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 ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Infiniti Q45 cars and light trucks from 1990+
Radiator, Replace
Vehicle: 2006 Infiniti Q45 4.5 V8 GAS
Do not remove radiator cap when engine is hot. Serious burns could occur from high pressure engine coolant escaping from thermostat housing.
- Drain engine coolant into a suitable container.
- Perform when engine is cold. Do not spill engine coolant on drive belts.
- Remove cooling fan assembly.
- On models equipped with automatic transmissions, remove A/T fluid cooler hoses.
- Install blind plug to avoid leakage of A/T fluid.
- On all models, remove bolts of both right and left end of radiator core (2 bolts for each)...
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SERPENTINE BELT SERVICE PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2005 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 Infiniti Q45 AUTOMOBILES
Component location diagrams for most Infiniti Q45 cars and light trucks sold in the U.S. from 1990+.
 Component Parts Location Diagram for 2004 Infiniti Q45 4.5 V8 GASComponents on diagram: |
 Door Harness Splices Diagram for 1991 Infiniti Q45 4.5 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Infiniti Q45 AUTOMOBILES
OEM drawn wiring diagrams for most Infiniti Q45 cars and light trucks sold in the U.S.
 1990 Infiniti Q45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
 1995 Infiniti Q45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Infiniti Q45 AUTOMOBILES
OEM TSB listings for most Infiniti Q45 cars and light trucks sold in the U.S. from 1985+.
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Document: WINDSHIELD WASHER NOZZLE SPRAY PATTERN ADJUSTMENT Vehicle: 2000 Infiniti Q45 4.1 V8 GAS Auto Systems: |
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Document: BATTERY CHARGING & REPLACEMENT PROCEDURE Vehicle: 1991 Infiniti Q45 4.5 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Infiniti Q45 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 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 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 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 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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