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Infiniti QX4 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 QX4 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 QX4 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Infiniti QX4 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 QX4 cars and light trucks from 1990+
Infiniti -> Component Replacement & Adjustment -> Adjustments -> Air Mix Door -> Automatic Air Conditioning -> Bi-Level Door -> G20 -> Intake Door -> Manual Air Conditioning -> Mode Door -> Q45 -> Rear Ventilation Door
Vehicle: 2001 Infiniti QX4 3.5 V6 GAS
On I30 & I35 models, refer to "Maxima" in .
On QX4 models, refer to "Pathfinder" in .
Manual Air Conditioning
Mode Door
- Move side link and hold mode door in DEF position.
- Turn ignition switch to ON position.
- Select DEF mode.
- Install mode door motor and reconnect electrical connectors.
- Attach mode door motor rod to side link rod holder.
- Turn DEF switch ON, ensure link operates at full open position.
- Turn VENT switch ON, ensure side link operates at full open position.
Air Mix Door
- Install air mix...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Infiniti QX4 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Infiniti QX4 cars and light trucks sold in the U.S. for 1980+.
Infiniti -> Component Locations -> 1996-99 QX4
Vehicle: 1998 Infiniti QX4 3.3 V6 GAS
Refer to Fig. ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Infiniti QX4 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Infiniti QX4 cars and light trucks from 1990+.
DRIVESHAFT, Replace
Vehicle: 1998 Infiniti QX4 3.3 V6 GAS
- Place vehicle in neutral and release parking brake.
- Raise vehicle off ground and support it with safety stands in proper locations.
- Mark rear pinion flange. Its recommended to use paint for reference marks. Never damage driveshaft flange and companion flange on front drive.
- R...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Infiniti QX4 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 QX4 cars and light trucks sold in the U.S. from mid 1990's+.
Relearn Procedures -> Activation -> ID Registration -> Less Activation Tool -> With Activation Tool
Vehicle: 2003 Infiniti QX4 3.5 V6 GAS
Activation
The activation procedure must be performed after replacing or rotating tire and wheels, replacing tire pressure sensor or BCM.
- With Infiniti sensor activation tool J-45295, or equivalent, pushed against the LF sensor, press and hold the activation tool button 5 seconds, Fig. .
- With the ignition switch On, as the low tire pressure warning lamp blinks, Fig. , the respective sensor then must be initialized.
- Register the ID of tire pressure sensor that low tire pressure warning lamp blinks. When activation of registered wheel has been completed, turn signal lamp blinks two...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Infiniti QX4 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Infiniti QX4 cars and light trucks from 1990+.
Starter, Replace
Vehicle: 2002 Infiniti QX4 3.5 V6 GAS
- Disconnect battery ground cable.
- Disconnect starter motor electrical connector.
- Remove mounting bolts and starter motor.
- Reve...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Infiniti QX4 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Infiniti QX4 cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Infiniti -> 2000-03 QX4
Vehicle: 2003 Infiniti QX4 3.5 V6 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 the glove compartment.
- Remove the passenger side lower trim panel from instrument panel.
- Remove the cabin air filter cover retainer clip, then the cover, Fig. .
- Remove the lower cabin air filter element, then the slide upper filter element down an...
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MAINTENANCE LAMP RESET PROCEDURES FOR Infiniti QX4 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Infiniti QX4 cars and light trucks sold in the U.S. from 1990+.
Infiniti -> Automatic Transmission (AT) Check Engine Lamp ->
Vehicle: 2002 Infiniti QX4 3.5 V6 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 Infiniti QX4 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Infiniti QX4 cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2001 Infiniti QX4 3.5 V6 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 Infiniti QX4 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Infiniti QX4 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace -> Air Conditioning -> Alternator -> Power Steering
Vehicle: 1999 Infiniti QX4 3.3 V6 GAS
Alternator
- Disconnect battery ground cable from battery.
- Loosen alternator upper locknut.
- Loosen lower mounting nut.
- Push alternator inward toward engine.
- Remove alternator drive belt.
- Clean and inspect belt surfaces of all pulleys.
- Reverse procedure to install, noting the following:
- Torque alternator idler pulley adjusting nut to 23 ft. lbs.
Air Conditioning
- Disconnect battery ground cable from batter...
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COMPONENT LOCATION DIAGRAMS FOR Infiniti QX4 AUTOMOBILES
Component location diagrams for most Infiniti QX4 cars and light trucks sold in the U.S. from 1990+.
 Body Wiring Harness Locations Diagram for 2000 Infiniti QX4 3.3 V6 GASComponents on diagram: |
 Underbody Components Diagram for 2002 Infiniti QX4 3.5 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Infiniti QX4 AUTOMOBILES
OEM drawn wiring diagrams for most Infiniti QX4 cars and light trucks sold in the U.S.
 2001 Infiniti QX4 3.5 V6 GAS Wiring DiagramComponents on diagram: |
 2000 Infiniti QX4 3.3 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Infiniti QX4 AUTOMOBILES
OEM TSB listings for most Infiniti QX4 cars and light trucks sold in the U.S. from 1985+.
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Document: FUEL INJECTOR CLEANING FOR VEHICLES WITH ROUGH IDLE, HESITATION OR MIL ON WITH DTC P0300/P0301/P0302/P0303/P0304/P0305/P0306 STORED - REVISED Vehicle: 1997 Infiniti QX4 3.3 V6 GAS Symptoms: |
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Document: RECALL - FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP Vehicle: 1998 Infiniti QX4 3.3 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Infiniti QX4 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Infiniti QX4 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 QX4 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 QX4 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 QX4 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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