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1991 Infiniti G20 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Infiniti REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1991 Infiniti G20 AUTOMOBILES
Air Bag System Precautions -> Infiniti -> Disarming
Vehicle: 1991 Infiniti G20 2.0 L4 GAS
For "Infiniti QX4" Information, Refer To "Pathfinder" In "Nissan."
- Turn ignition Off, then disconnect battery ground cable.
- On 1990-97 models, wait at least 10 minutes after disconnecting the battery ground cable before performing any service procedures.
- On 1998-2004 models, wait at least three minutes after disconnecting both b...
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BRAKE SERVICE PROCEDURES FOR 1991 Infiniti G20 AUTOMOBILES
INFINITI, POWER BRAKE UNITS -> OVERHAUL
Vehicle: 1991 Infiniti G20 2.0 L4 GAS
This unit cannot be overhau...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Infiniti G20 AUTOMOBILES
Infiniti -> Component Locations -> 1991-96 & 1999-02 G20
Vehicle: 1991 Infiniti G20 2.0 L4 GAS
Refer to ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Infiniti G20 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Infiniti G20 2.0 L4 GAS
- Raise and support vehicle, then remove wheel bearing locknuts.
- Remove tires and wheels.
- Remove brake caliper assembly and rotor. Do not allow caliper to hang from brake hose.
- Disconnect tie rod from steering knuckle.
- Remove upper steering knuckle nut. Cover boots with cloth to prevent damage.
- Separate driveshaft from steering knuckle. If driveshaft is difficult to remove, use a suitable puller.
- Remove RH inner joint attaching bol...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Infiniti G20 AUTOMOBILES
Starter, Replace
Vehicle: 1991 Infiniti G20 2.0 L4 GAS
- Disconnect battery ground cable.
- Remove intake air duct.
- Remove starter motor attaching ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Infiniti G20 AUTOMOBILES
Infiniti -> Malfunction Indicator Lamp (MIL) -> 1990-2000 All & 2001 Q45
Vehicle: 1991 Infiniti G20 2.0 L4 GAS
The MIL will illuminate to indicate that a system fault has been detected. The MIL will blink simultaneously with the red Light Emitting Diode (LED) on the Electronic Control Module (ECM). Following diagnosis and repair of all system faults, reset the MIL lamp. If using a scan tool, follow tool manufacturer's instructions to clear DTCs. A second, though more time consuming method of clearing DTCs involves using a small screwdriver to turn the diagnostic mode selector switch, located on the side of the ECM/ECU, fully clockwise. After waiting 2 second...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Infiniti G20 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 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 proc...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Infiniti G20 AUTOMOBILES
Serpentine Drive Belt, Replace -> Air Conditioning -> Alternator
Vehicle: 1991 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 1991 Infiniti G20 AUTOMOBILES
Component location diagrams for most 1991 Infiniti G20 cars and light trucks sold in the U.S. from 1990+.
Door Harness Diagram for 1991 Infiniti G20 2.0 L4 GAS Components on diagram: |
Engine Compartment Harness Diagram for 1991 Infiniti G20 2.0 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Infiniti G20 AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Infiniti G20 cars and light trucks sold in the U.S.
1991 Infiniti G20 2.0 L4 GAS Wiring Diagram Components on diagram: |
1991 Infiniti G20 2.0 L4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Infiniti G20 AUTOMOBILES
OEM TSB listings for most 1991 Infiniti G20 cars and light trucks sold in the U.S. from 1985+.
Document: A/C System O-Ring Seal Leaks Vehicle: 1991 Infiniti G20 2.0 L4 GAS Auto Systems: |
Document: Windshield Cracking Vehicle: 1991 Infiniti G20 2.0 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Infiniti G20 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 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 1991 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 1991 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 1991 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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