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1990 Acura Legend CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Acura 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!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Acura Legend car and truck repair procedures including Acura 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 Acura Legend 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 Acura mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1990 Acura Legend 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 1990 Acura Legend AUTOMOBILES

    A/C & Cooling System Maintenance -> Acura -> Legend, Vigor & 1990-95 Integra & NSX
    Vehicle: 1990 Acura Legend L 2.7 V6 GAS

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    ACURA, HYDRAULIC BRAKE SYSTEMS -> MASTER CYLINDER OVERHAUL -> ASSEMBLE -> DISASSEMBLE
    Vehicle: 1990 Acura Legend L 2.7 V6 GAS

    On Models Equipped With Anti-Lock Brakes, Refer To "Anti-Lock Brakes System."

    The 1991-92 Integra, 1990-92 Legend and 1992 Vigor master cylinders are no longer designed to be rebuilt. If master cylinder if found to be faulty, replace as an assembly.

    DISASSEMBLE

    • Do not allow brake fluid to come in contact with plastic, rubber or painted parts, as damage may occur.
    • Using suitable shop rag, plug brake end to prevent fluid leakage. Do not allow foreign material to enter system.
    • Remove rod seal.
    • Depress secondary piston assembly, then remove snap ring...

    CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    Acura -> Component Locations -> 1986-90 Legend
    Vehicle: 1990 Acura Legend L 2.7 V6 GAS

    Refer to Fig...

    CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    CV AXLE SHAFT, Replace -> Driveshaft -> Intermediate shaft
    Vehicle: 1990 Acura Legend LS 2.7 V6 GAS

    Driveshaft

    • Raise and support front of vehicle.
    • Remove front wheel, then drain transaxle fluid into a suitable container. If removing left driveshaft only, it is not necessary to drain transaxle.
    • Raise spindle nut lock tab and remove nut.
    • Remove damper fork bolt and pinch bolt, then damper fork.
    • Remove steering knuckle to lower control arm castellated nut cotter pin and nut.
    • Separate lower control arm from steering knuckle using a suitable puller.
    • Pull steering knuckle outward and tap driveshaft outboard joint from steering knuckle.
    • Pry driveshaft out with a screwdriver to force s...

    CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    Alternator, Replace
    Vehicle: 1990 Acura Legend L 2.7 V6 GAS

    • Disconnect battery ground cable at battery.
    • Disconnect alternator connector from alternator.
    • Remove terminal nut and WHT wire from B terminal.
    • Remove harness holder and belt cover from alternator bracket.
    • Loosen through bolt and adjusting bolt, and remove alternator mounting nut.
    • Remove alternator belt from alternator...

    CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    Acura -> Maintenance Required Lamp -> 1990-95 Legend
    Vehicle: 1990 Acura Legend 2.7 V6 GAS

    The maintenance required lamp will light in 7400-7600 mile intervals to indicate maintenance is required. After performing the required maintenance, re...

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    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    Heater Hose, Replace -> Bypass -> Inlet -> Outlet
    Vehicle: 1990 Acura Legend LS 2.7 V6 GAS

    Inlet

    • Disconnect battery ground cable.
    • Drain cooling system into a suitable container by loosening drain plug of radiator.
    • Reposition hose clamp at heater core.
    • Remove hose from heater core.
    • Reposition hose clamp at heater valve.
    • Remove hose from heater valve.
    • Remove hose from vehicle.
    • Reverse procedure to install.

    Outlet

    • Disconnect battery ground cable.
    • Drain cooling system into a suitable container by loosening drain plug of radiator.
    • Reposition hose clamp at h...

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    SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    Serpentine Drive Belt, Replace -> Air Conditioning -> Alternator -> Power Steering
    Vehicle: 1990 Acura Legend LS 2.7 V6 GAS

    Alternator

    • Disconnect battery ground cable from battery.
    • Loosen alternator nut and through bolt.
    • Loosen alternator adjusting bolt to relieve belt tension.
    • Remove alternator drive belt.
    • Clean and inspect belt surfaces of all pulleys.
    • Reverse procedure to install, noting the following:
      • Torque adjusting bolt to 84 in. lbs.
      • Torque alternator through bolt to 33 ft. lbs.
      • Torque alternator nut to 17 ft. lbs.

    Air Conditioning

    • Disconnect battery ground cable from battery.
    • Loosen tensioner lock nut.
    • Loosen compressor adjust...

    CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1990 Acura Legend AUTOMOBILES

    Component location diagrams for most 1990 Acura Legend cars and light trucks sold in the U.S. from 1990+.

    LH Side Of Vehicle Connector & Ground Locations Diagram for 1990 Acura Legend LS 2.7 V6 GASLH Side Of Vehicle Connector & Ground Locations Diagram for 1990 Acura Legend LS 2.7 V6 GAS

    Components on diagram:
  • Connector C448
  • Connector C452
  • Connector C453
  • Connector C457
  • Connector C458
  • Tail Panel Connector & Ground Locations Diagram for 1990 Acura Legend LS 2.7 V6 GASTail Panel Connector & Ground Locations Diagram for 1990 Acura Legend LS 2.7 V6 GAS

    Components on diagram:
  • Connector C503
  • Connector C502
  • Connector C505
  • Connector C507
  • Connector C504
  • CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1990 Acura Legend AUTOMOBILES

    OEM drawn wiring diagrams for most 1990 Acura Legend cars and light trucks sold in the U.S.

    1990 Acura Legend L 2.7 V6 GAS Wiring Diagram1990 Acura Legend L 2.7 V6 GAS Wiring Diagram

    Components on diagram:
  • Trunk Light
  • Dome Light
  • MAP Light
  • Safety Indicator
  • Trunk Switch
  • 1990 Acura Legend  2.7 V6 GAS Wiring Diagram1990 Acura Legend 2.7 V6 GAS Wiring Diagram

    Components on diagram:
  • Integrated Control Unit
  • Driver's Door Switch
  • Entry Light Timer Circuit
  • Ignition Key Switch Light
  • Footwell Light
  • CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1990 Acura Legend AUTOMOBILES

    OEM TSB listings for most 1990 Acura Legend cars and light trucks sold in the U.S. from 1985+.

    Document: Battery Testing and Replacement
    Vehicle: 1990 Acura Legend 2.7 V6 GAS

    Auto Systems:
  • Tools, Equipment
  • Starting, Charging, Battery
  • Document: Battery Maintenance at Dealers
    Vehicle: 1990 Acura Legend 2.7 V6 GAS

    Auto Systems:
  • Starting, Charging, Battery
  • CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1990 Acura Legend AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Acura Legend 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 1990 Acura Legend 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 1990 Acura Legend 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 1990 Acura Legend 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 1990 Acura Legend SPECIFICATIONS DATA!

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    Click here to view more details about 1995 Acura Legend Seat Belt, Front, Driver And Passenger Side1995 Acura Legend Seat Belt, Front, Driver And Passenger Side.

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