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2002 Infiniti G20 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
- 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 2002 Infiniti G20 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 G20 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2002 Infiniti G20 AUTOMOBILES
Infiniti -> Oil Driven Cooling Fans -> Circuit Diagnosis & Testing
Vehicle: 2002 Infiniti G20 2.0 L4 GAS
On I30 & I35 models, refer to "Maxima" in .
On QX4 models, refer to "Pathfinder" in .
- Connect suitably programmed scan tool to Diagnostic Link Connector (DLC).
- Turn ignition switch to ON position.
- Connect suitable voltmeter between ECM terminal No. 122 and engine ground. If measurement is more than 1.23 volts, allow engine to cool down.
- Start engine and idle it for at least five seconds.
- If Diagnostic Trouble Code (DTC) P1480 sets, proceed to step 6. If DTC P1480 does not set, cooling fan control circuit is satisfactory.
- Turn igniti...
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BRAKE SERVICE PROCEDURES FOR 2002 Infiniti G20 AUTOMOBILES
Disc Brakes -> Brake System Bleed
Vehicle: 2002 Infiniti G20 2.0 L4 GAS
- Carefully monitor brake fluid level at master cylinder during bleeding procedure.
- Fill reservoir with new DOT 3 brake fluid.
- Ensure fluid level is full at all times.
- Connect transparent vinyl tube to air bleeder valve.
- Fully depress brake pedal several times.
- With brake pedal depressed, open air bleeder valve to release air.
- Close bleeder valve.
- Release brake pedal slowly.
- Repeat above steps until clear brake fluid comes out of air bleede...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 Infiniti G20 AUTOMOBILES
Infiniti -> Fuel Filter Replacement -> All Models -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2002 Infiniti G20 2.0 L4 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 2002 Infiniti G20 AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2002 Infiniti G20 2.0 L4 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Remove cotter pin and driveshaft castle nut and washer from front hub.
- Remove brake caliper assembly and rotor. Do not disconnect brake hose from caliper. Suspend caliper assembly with mechanics wire to prevent brake hose from stretching. Do not depress brake pedal when caliper is removed from rotor or brake piston will eject from caliper.
- Remove tie-rod ball joint.
- Remove upper knuckle nut.
- Separat...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Infiniti G20 AUTOMOBILES
Starter, Replace
Vehicle: 2002 Infiniti G20 2.0 L4 GAS
- Disconnect battery ground cable.
- Disconnect starter motor electrical connector.
- Remove mounting bolts and starter motor...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2002 Infiniti G20 AUTOMOBILES
Cabin Air Filter Service -> Infiniti -> 1999-2002 G20
Vehicle: 2002 Infiniti G20 2.0 L4 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 instrument reinforcement from instrument panel.
- Remove the cabin air filter cover retainer clip, then the cover, Fig. .
- Remove the lower cabin air filter element, then the upper e...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 Infiniti G20 AUTOMOBILES
Infiniti -> Anti-Lock Brake System Warning Lamp -> 1994-2002 G20
Vehicle: 2002 Infiniti G20 2.0 L4 GAS
This lamp will be illuminated when the ignition switch is placed in the on position as a bulb check. If the lamp remains lit or lights during vehicle operation, a problem in the anti-lock brake/traction control system is indicated. When the lamp is lit, place the ignition switch in the off position, then restart the engine. If the lamp remains lit, the system must be serviced. The basic brake system will remain functional. After servicing the system, proceed as follows:
- On 1994-96 and 1999 models, locate the DLC located behind instrument panel fuse panel cover.
- On 2000-02 models, lo...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 Infiniti G20 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2002 Infiniti G20 2.0 L4 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 2002 Infiniti G20 AUTOMOBILES
Serpentine Drive Belt, Replace -> Air Conditioning -> Alternator
Vehicle: 2002 Infiniti G20 2.0 L4 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 pulle...
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COMPONENT LOCATION DIAGRAMS FOR 2002 Infiniti G20 AUTOMOBILES
Component location diagrams for most 2002 Infiniti G20 cars and light trucks sold in the U.S. from 1990+.
 Cooling Fan Motors Diagram for 2002 Infiniti G20 2.0 L4 GASComponents on diagram: |
 Cooling Fan Relays Diagram for 2002 Infiniti G20 2.0 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2002 Infiniti G20 AUTOMOBILES
OEM drawn wiring diagrams for most 2002 Infiniti G20 cars and light trucks sold in the U.S.
 2002 Infiniti G20 2.0 L4 GAS Wiring DiagramComponents on diagram: |
 2002 Infiniti G20 2.0 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2002 Infiniti G20 AUTOMOBILES
OEM TSB listings for most 2002 Infiniti G20 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: 2002 Infiniti G20 2.0 L4 GAS Auto Systems: |
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Document: A/C System O-Ring Seal Leaks Vehicle: 2002 Infiniti G20 2.0 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2002 Infiniti G20 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 Infiniti G20 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 2002 Infiniti G20 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 2002 Infiniti G20 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 2002 Infiniti G20 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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