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1991 Nissan D21 Pickup CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Nissan REPAIR SHOPS DON'T WANT YOU TO KNOW

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Nissan D21 Pickup car and truck repair procedures including Nissan 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 Nissan D21 Pickup automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Nissan mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1991 Nissan D21 Pickup vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES

    Nissan -> COOLING FANS -> COMPONENT DIAGNOSIS & TESTING -> 300ZX -> Automatic Transaxle -> Manual Transaxle -> Maxima -> MAXIMA w/VE30DE ENGINE -> NX COUPE, NX1600, NX2000 & SENTRA -> RADIATOR FAN MOTORS -> RADIATOR FAN RELAYS -> Stanza -> THERMO SWITCH/SENSOR
    Vehicle: 1991 Nissan D21 Pickup 2.4 L4 GAS

    RADIATOR FAN RELAYS

    Maxima

    Refer to Figs. and for fan relay testing, if test results are not as specified, replace relay.

    NX Coupe, NX1600, NX2000 & Sentra

    Refer to Figs. and for fan relay testing, if test results are not as specified, replace relay.

    Stanza

    Refer to Fig. for fan relay testing, if test results are not as specified, replace relay.

    300ZX

    Refer to Fig. for fan relay testing, if test results are not as specified, replace relay.

    RADIATOR FAN MOTORS

    MAXIMA w/VE30DE ENGINE
    ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES

    NISSAN, ANTI-LOCK BRAKES -> COMPONENT SERVICE
    Vehicle: 1991 Nissan D21 Pickup 2.4 L4 GAS

    When replacing components, re...

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES

    Nissan/Datsun -> Fuel Filter Scheduled Maintenance -> Gasoline Engines -> Normal Service -> Severe Service
    Vehicle: 1991 Nissan D21 Pickup 3.0 V6 GAS

    Normal Service

    Service as ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES

    CV AXLE SHAFT, Replace
    Vehicle: 1991 Nissan D21 Pickup 2.4 L4 GAS

    • Raise and support vehicle, then remove wheel.
    • Unfasten brake caliper assembly, leaving brake line attached.
    • Remove hub nut.
    • Remove tie-rod ball joint from knuckle, then separate driveshaft from steering knuckle by tapping on driveshaft. When removing driveshafts, cover boots with cloth to prevent damage.
    • On models with automatic transaxle, if replacing both dr...

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES

    Alternator, Replace
    Vehicle: 1991 Nissan D21 Pickup SE 3.0 V6 GAS

    • Remove engine undercover.
    • Remove drive belt from alternator.
    • Disconnect harness co...

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES

    Nissan -> Four Wheel Drive (4WD) Warning Lamp ->
    Vehicle: 1991 Nissan D21 Pickup SE 3.0 V6 GAS

    When the ignition switch is placed in the on position, the 4WD warning lamp will light as a bulb check but should go off soon after the engine is started. If a malfunction in the 4WD ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES

    Radiator, Replace
    Vehicle: 1991 Nissan D21 Pickup 3.0 V6 GAS

    • Remove engine undercover.
    • Drain engine coolant from radiator into a suitable container.
    • Disconnect radiator upper and lower hoses.
    • On models with automatic transmissions, disconnect transmission oil cooler hoses, if equipped. Plug hoses to prevent transmission oil l...

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1991 Nissan D21 Pickup SE 3.0 V6 GAS

    • Loosen lock nut on power steering pump.
    • Loosen adjusting bolt on power steering pump.
    • Remove power steering pump drive belt.
    • Loosen pulley bolt on idler pulley.
    • Loosen adjusting bolt on idler pulley.
    • Remove air conditioning compressor drive belt.
    • Loosen loc...

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1991 Nissan D21 Pickup AUTOMOBILES

    Component location diagrams for most 1991 Nissan D21 Pickup cars and light trucks sold in the U.S. from 1990+.

    A/T Shift Lock Control Unit Location Diagram for 1991 Nissan D21 Pickup  3.0 V6 GASA/T Shift Lock Control Unit Location Diagram for 1991 Nissan D21 Pickup 3.0 V6 GAS

    Components on diagram:
  • A/T Shift Lock Control Unit
  • A/C Components (Passenger Compartment) Diagram for 1991 Nissan D21 Pickup  3.0 V6 GASA/C Components (Passenger Compartment) Diagram for 1991 Nissan D21 Pickup 3.0 V6 GAS

    Components on diagram:
  • A/C Auto Amplifier
  • Aspirator Fan Motor
  • Air Mix Door
  • A/C & Heater Microswitch
  • Water Temperature Sensor
  • CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Nissan D21 Pickup AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Nissan D21 Pickup cars and light trucks sold in the U.S.

    1991 Nissan D21 Pickup  3.0 V6 GAS Wiring Diagram1991 Nissan D21 Pickup 3.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Rear Sensor
  • Battery
  • Brake
  • Ignition Switch
  • Brake Fluid Level Switch
  • 1991 Nissan D21 Pickup  3.0 V6 GAS Wiring Diagram1991 Nissan D21 Pickup 3.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Wiper Switch
  • Ignition Switch
  • Wiper Motor
  • Washer Motor
  • CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Nissan D21 Pickup AUTOMOBILES

    OEM TSB listings for most 1991 Nissan D21 Pickup cars and light trucks sold in the U.S. from 1985+.

    Document: A/C SYSTEM O-RING SEAL LEAKS
    Vehicle: 1991 Nissan D21 Pickup 3.0 V6 GAS

    Auto Systems:
  • Heating, A/C, Ventilation, Defogger
  • Document: WINDSHIELD CRACKING
    Vehicle: 1991 Nissan D21 Pickup 3.0 V6 GAS

    Auto Systems:
  • Glass, Doors, Hood, Decklid, Tailgate, Liftgate, Locks
  • CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Nissan D21 Pickup AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Nissan D21 Pickup 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 D21 Pickup 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 D21 Pickup 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 D21 Pickup 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

    CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup SPECIFICATIONS DATA!

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