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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, DISC BRAKES -> CALIPER SERVICE -> 1991-92 Legend -> Assembly & Installation -> FRONT -> Integra, Vigor & 1990 Legend -> REAR -> Removal & Disassembly
    Vehicle: 1990 Acura Legend L 2.7 V6 GAS

    FRONT

    Removal & Disassembly
    • Raise and support front of vehicle and remove wheels.
    • Remove banjo bolt and disconnect brake line from caliper. Secure hose in raised position to prevent leakage.
    • Remove caliper pin bolt and the caliper, Figs. through .
    • On Legend & Vigor models, remove pad spring from caliper.
    • On all models, position a block of wood or shop rag in caliper opposite piston, then carefully remove piston by applying compressed air into fluid inlet port. Use only as much air pressure as is needed to remove piston.
    • Remove piston boot and seal.
    Assembly & Installation
    • Clean caliper ...

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

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    Acura -> Fuel Filter Replacement -> Integra, Legend, NSX, Vigor, 2.5TL, 3.0CL & 3.5RL -> Fuel System Pressure Relief -> Removal & Installation
    Vehicle: 1990 Acura Legend L 2.7 V6 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 fuel spray.

    After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven 10 miles or more to relearn its adaptive strategy.

    Fuel System Pressure Relief

    • Obtain the vehicle owner's radio ...

    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 L 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

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

    • Disconnect battery ground cable at battery.
    • Disconnect starter cable from B terminal on solenoid, then BLK/WHT wire from S terminal.
    • Remov...

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

    MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    Acura -> Automatic Transmission S3 Indicator Lamp -> 1990 Legend
    Vehicle: 1990 Acura Legend L 2.7 V6 GAS

    When the TCM detects an abnormal automatic transmission input or output signal the S3 lamp will blink. After completing diagnosis and repairs, reset ...

    CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend MAINTENANCE LAMP RESET PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 1990 Acura Legend RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Acura Legend AUTOMOBILES

    Serpentine Drive Belt, Replace -> Air Conditioning -> Alternator -> Power Steering
    Vehicle: 1990 Acura Legend L 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+.

    EICV & Throttle Angle Sensor Location Diagram for 1990 Acura Legend  2.7 V6 GASEICV & Throttle Angle Sensor Location Diagram for 1990 Acura Legend 2.7 V6 GAS

    Components on diagram:
  • Throttle Angle Sensor
  • EICV Sensor
  • I/P Control Unit & Relay Locations Diagram for 1990 Acura Legend L 2.7 V6 GASI/P Control Unit & Relay Locations Diagram for 1990 Acura Legend L 2.7 V6 GAS

    Components on diagram:
  • Sunroof Relay
  • Starter Relay
  • PGM-FI Main Relay
  • Power Amplifier Relay
  • Rear Defogger Relay
  • 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  2.7 V6 GAS Wiring Diagram1990 Acura Legend 2.7 V6 GAS Wiring Diagram

    Components on diagram:
  • Gauge Assembly
  • Antilock Brake Warning Indicator Light
  • Brake Warning Indicator Light
  • Bulb Check Unit
  • 1990 Acura Legend LS 2.7 V6 GAS Wiring Diagram1990 Acura Legend LS 2.7 V6 GAS Wiring Diagram

    Components on diagram:
  • Starter Solenoid
  • Lighting Relay
  • Battery
  • Horn Relay
  • Starter
  • 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 Turn Signal Light, Passenger Side1995 Acura Legend Turn Signal Light, Passenger Side.

    Source: Auto Body Parts Store

    $39.14

    Click here to view more details1995 Acura Legend Headlight, Passenger Side, Bulbs included; Composite type; DOT and SAE approved; A high quality, OE replacement headlight assembly; With 18 months limited Prozone warranty..

    Source: Auto Body Parts Store

    $446.29

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    Source: Wheels / Rims, Mirrors & Lights Store

    $100.45

    Click here to view more details1990 Acura Legend L V6, 2.7 L, 2675 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details1988 Acura Legend Used Cooling Fan Assembly, FAN ASSM; CONDENSER, Very Good.

    Source: Used Auto Parts Store

    $89.00

    Click here to view more details1991 Acura Legend Used Wiper Motor Front, Very Good.

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