Acura Legend 1990 Manual

The Acura Legend 1990 is a luxury executive car featuring a 2.7L V6 engine, front-wheel drive, 4-speed automatic transmission, power steering, ABS brakes, power windows and locks, air conditioning, premium audio system, leather interior, and advanced safety features for its time. Below are key sections covering specifications, operation, maintenance, and troubleshooting.

1. Vehicle Specifications 2. Instrument Panel 3. Operating Instructions 4. Maintenance Schedule 5. Fluid Specifications 6. Electrical System 7. Brake System 8. Climate Control 9. Audio System 10. Safety Features 11. Troubleshooting

Vehicle Specifications

Key technical details: 2.7L C27A V6 engine, front-wheel drive configuration, luxury interior features.

SpecificationDescription
Engine2.7L C27A V6 SOHC
Horsepower160 hp @ 5800 rpm
Torque162 lb-ft @ 5000 rpm
Transmission4-speed automatic
DrivetrainFront-wheel drive
Fuel SystemMulti-point fuel injection
BrakesFront disc/rear disc with ABS
Suspension4-wheel independent
Fuel Capacity18.0 gallons
Curb WeightApprox 3,400 lbs

Instrument Panel

Dashboard layout and gauge cluster information.

  1. Speedometer: Shows vehicle speed in mph and km/h
  2. Tachometer: Engine RPM display
  3. Fuel Gauge: Fuel level indicator
  4. Temperature Gauge: Engine coolant temperature
  5. Warning Lights: Check engine, oil pressure, brake, battery
  6. Odometer: Total and trip mileage display

WARNING! If any warning light illuminates while driving, stop vehicle safely and investigate cause.

Operating Instructions

Daily operation procedures and controls.

  1. Starting: Insert key, ensure gear in Park, turn to start position
  2. Shifting: Press brake pedal to shift from Park to Drive
  3. Cruise Control: Set speed with steering wheel controls
  4. Headlights: Rotate switch on steering column
  5. Wipers: Multi-speed control on steering column
  6. Climate Control: Temperature and fan speed dials

CAUTION! Never shift from Park without pressing brake pedal.

Maintenance Schedule

Fluid Specifications

Recommended fluids and capacities.

Fluid TypeSpecificationCapacity
Engine Oil5W-30 API SF/SG4.5 quarts
Automatic TransmissionHonda ATF7.4 quarts
Coolant50/50 mix ethylene glycol7.4 quarts
Brake FluidDOT 3 or DOT 4As needed
Power SteeringHonda Power Steering FluidAs needed

Electrical System

Battery, charging, and electrical components.

  1. Battery: 12V, maintenance-free type
  2. Alternator: 80 amp output
  3. Fuses: Located in under-dash and engine compartment
  4. Bulb Types: Headlights 9004, brake lights 1157
  5. Charging System: Warning light indicates charging issues

Tip: Check battery terminals for corrosion monthly.

Brake System

ABS and conventional braking operation.

  1. Brake Pedal: Firm feel with normal operation
  2. ABS: Pulsation felt during hard braking on slippery surfaces
  3. Parking Brake: Lever between front seats
  4. Brake Wear: Inspect pads and rotors every 15,000 miles
  5. Fluid Level: Check reservoir monthly

WARNING! If brake pedal feels soft or travels to floor, have system inspected immediately.

Climate Control

Heating, ventilation, and air conditioning system.

  1. Temperature Control: Rotate dial for desired temperature
  2. Fan Speed: Four-speed selector
  3. Mode Selector: Choose vent, floor, defrost positions
  4. A/C Button: Engages air conditioning compressor
  5. Recirculation: Button for interior air recirculation

Note: A/C system uses R-12 refrigerant (CFC-12).

Audio System

Premium sound system operation.

  1. Power/Volume: Rotate knob to turn on and adjust volume
  2. AM/FM Selection: Press band button to switch
  3. Preset Stations: Set up to 6 stations per band
  4. Tone Controls: Bass and treble adjustment
  5. Cassette Player: Insert cassette with exposed tape toward right
  6. Auto Reverse: Automatically plays reverse side

WARNING! Do not attempt to clean tape heads with sharp objects.

Safety Features

Driver and passenger protection systems.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startBattery, fuel, ignitionCheck battery connections; verify fuel in tank; inspect spark plugs.
OverheatingCoolant level, thermostatCheck coolant level; inspect radiator cap; test thermostat.
Poor fuel economyAir filter, tire pressureReplace air filter; check tire inflation; inspect oxygen sensor.
Brake vibrationWarped rotorsHave rotors resurfaced or replaced; check brake balance.
Electrical issuesAlternator, batteryTest charging system; load test battery; check ground connections.

Service: Contact authorized Acura dealer for professional service

Emergency: For roadside assistance, contact Acura Client Service

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