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1991 Nissan NX CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Nissan 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
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1991 Nissan NX AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1991 Nissan NX 1.6 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Nissan NX AUTOMOBILES
NISSAN, ANTI-LOCK BRAKES -> GROUND CIRCUIT CHECK -> ACTUATOR MOTOR GROUND -> Except Pickup, Pathfinder & Sentra/NX Coupe
Vehicle: 1991 Nissan NX 1.6 L4 GAS
ACTUATOR MOTOR GROUND
Except Pickup, Pathfinder & Sentra/NX Coupe
When performing actuator...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Nissan NX AUTOMOBILES
Nissan/Datsun -> Fuel Filter Replacement -> Except Armada, Murano, Titan & 350Z, 2006-02 Altima, 2000-06 Maxima & Sentra -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1991 Nissan NX 1.6 L4 GAS
Fuel System Pressure Relief
- On all models except 1990-96 300ZX, remove the fuel pump fuse from the fuse panel.
- On 1990-96 300ZX, disconnect the fuel pump relay, located behind the lefthand side kick panel.
- On all models, start and run the engine until it stalls.
- After the engine stalls, crank two or three times to ensure all fuel pressure is relieved.
- On all models except 1990-96 300ZX, turn the ignition Off, then install the fuel pump fuse.
- On 1990-96 300ZX, turn the ignition Off, then connect the fuel pump relay.
Removal &...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Nissan NX AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Nissan NX 1.6 L4 GAS
- Raise and support vehicle.
- Remove wheels and tires.
- Remove wheel bearing lock nut.
- Brake caliper need not be disconnected. Do not twist or stretch brake hose when moving components.
- Remove cotter pin and nut securing lower ball joint to knuckle.
- Strike knuckle with a hammer and pull down transverse link to separate lower ball joint from knuckle.
- Remove tie-rod ball joint.
- Separate drive shaft from knuckle by slightly tapping it. If it is hard to remove, use a puller. When removing drive shaft, cover boots with shop towel to prevent damage to them.
- Remove right dri...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Nissan NX AUTOMOBILES
Alternator, Replace
Vehicle: 1991 Nissan NX 2.0 L4 GAS
- Remove engine undercover.
- Remove drive belt from alternator.
- Disconnect harness co...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Nissan NX AUTOMOBILES
Nissan -> Vehicle Dynamic Control (VDC) Warning Lamp ->
Vehicle: 1991 Nissan NX 1.6 L4 GAS
The VDC lamp should illuminate when the ignition switch is placed in the on position for a few seconds or when the VDC control switch is in the off position. If the VDC lamps illuminates while ope...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Nissan NX AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Nissan NX 1.6 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 1991 Nissan NX AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Nissan NX 1.6 L4 GAS
- Disconnect negative cable from battery.
- Loosen pivot bolt on alternator.
- Loosen lock nut on a...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Nissan NX AUTOMOBILES
Component location diagrams for most 1991 Nissan NX cars and light trucks sold in the U.S. from 1990+.
Anti-Lock Brake System Component Location Diagram for 1991 Nissan NX 1.6 L4 GAS Components on diagram: |
Passenger Compartment Harness Diagram for 1991 Nissan NX 1.6 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Nissan NX AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Nissan NX cars and light trucks sold in the U.S.
1991 Nissan NX 2.0 L4 GAS Wiring Diagram Components on diagram: |
1991 Nissan NX 1.6 L4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Nissan NX AUTOMOBILES
OEM TSB listings for most 1991 Nissan NX cars and light trucks sold in the U.S. from 1985+.
Document: A/C SYSTEM O-RING SEAL LEAKS Vehicle: 1991 Nissan NX 1.6 L4 GAS Auto Systems: |
Document: WINDSHIELD CRACKING Vehicle: 1991 Nissan NX 1.6 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Nissan NX AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Nissan NX 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 Nissan NX 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 Nissan NX 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 Nissan NX 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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