1989 Acura Legend Service Manual PDF

The 1989 Acura Legend Service Manual provides comprehensive technical information for maintenance, repair, and service procedures for the 1989 Acura Legend model. This manual covers engine systems, transmission, suspension, brakes, electrical systems, body components, and troubleshooting guides for professional technicians and DIY enthusiasts. Below are key sections covering specifications, maintenance schedules, repair procedures, and technical data.

1. Vehicle Specifications 2. Maintenance Schedules 3. Engine Systems 4. Transmission & Drivetrain 5. Suspension & Steering 6. Brake Systems 7. Electrical Systems 8. Body & Interior 9. Troubleshooting Guides 10. Technical Service Bulletins 11. Wiring Diagrams

Vehicle Specifications

Complete technical specifications for the 1989 Acura Legend including engine, dimensions, capacities, and performance data.

Specification	Details
Engine Type	2.7L V6 SOHC
Horsepower	160 hp @ 5800 rpm
Torque	162 lb-ft @ 4500 rpm
Transmission	5-speed manual / 4-speed automatic
Fuel Capacity	18.0 gallons
Curb Weight	3285 lbs
Wheelbase	108.7 inches
Overall Length	188.2 inches
Brake System	Front disc / rear drum
Fuel System	Multi-point fuel injection

Maintenance Schedules

Recommended service intervals and maintenance procedures for optimal vehicle performance.

Oil Change: Every 7,500 miles or 12 months
Air Filter Replacement: Every 30,000 miles
Spark Plugs: Every 60,000 miles
Timing Belt: Every 90,000 miles
Brake Fluid: Replace every 2 years
Coolant Flush: Every 30,000 miles or 2 years

IMPORTANT! Follow manufacturer recommendations for severe driving conditions.

Engine Systems

Detailed service procedures for engine components and systems.

Engine Removal: Step-by-step procedure with torque specifications
Cylinder Head: Removal, inspection, and installation
Timing Belt: Replacement procedure and alignment marks
Fuel System: Injector testing and fuel pressure specifications
Cooling System: Radiator, thermostat, and water pump service
Ignition System: Distributor, spark plugs, and ignition timing

Transmission & Drivetrain

Service procedures for manual and automatic transmissions, driveshaft, and differential.

Transmission Removal: Safety precautions and step sequence
Clutch Replacement: Adjustment procedures and specifications
Automatic Transmission: Fluid change and band adjustments
Driveshaft: U-joint inspection and replacement
Differential: Fluid specifications and service intervals

CAUTION! Use proper lifting equipment and safety stands.

Suspension & Steering

Front and rear suspension components, alignment specifications, and steering system service.

Component	Service Procedure
Strut Replacement	Removal, installation, and alignment check
Ball Joints	Inspection and replacement criteria
Control Arms	Bushing replacement and torque specs
Power Steering	Pump service and fluid specifications
Wheel Alignment	Specifications and adjustment procedures

Brake Systems

Complete brake system service including hydraulic components and ABS (if equipped).

Brake Pad Replacement: Front and rear procedures
Rotor Resurfacing: Specifications and measurement procedures
Brake Fluid Bleeding: Proper sequence and techniques
Master Cylinder: Testing and replacement
Parking Brake: Adjustment and cable replacement

WARNING! Always test brake system before road use.

Electrical Systems

Battery, charging system, starting system, and accessory electrical service.

Battery: Testing and replacement procedures
Alternator: Output test and replacement
Starter: Removal and bench testing
Lighting Systems: Headlight adjustment and bulb replacement
Instrument Cluster: Gauge testing and repair
Power Accessories: Window, lock, and seat motor service

Body & Interior

Body panel repair, interior component service, and trim procedures.

Door Panel Removal: Proper technique to avoid damage
Window Regulator: Replacement and adjustment
Seat Removal: Electrical connector safety
Dashboard Components: Radio and climate control service
Exterior Trim: Moldings and emblems replacement

Troubleshooting Guides

Diagnostic procedures for common problems and performance issues.

Symptom	Possible Cause	Diagnostic Procedure
Engine won't start	Fuel, spark, or compression issue	Check fuel pressure, spark, compression test
Poor fuel economy	O2 sensor, filters, ignition	Scan for codes, check air filter, spark plugs
Brake vibration	Warped rotors, suspension	Rotor measurement, suspension inspection
Electrical drain	Parasitic draw	Amperage draw test, circuit isolation
Transmission slipping	Fluid level, bands, clutch packs	Fluid check, pressure test, scan tool data

Technical Service Bulletins

Manufacturer-issued updates and corrections for known issues.

Includes recalls, service campaigns, and updated repair procedures issued by Acura for the 1989 Legend model year. Covers common issues with specific components and recommended repair methods.

Wiring Diagrams

Complete electrical schematics for all vehicle systems.

Engine Control System: ECU, sensors, and actuators
Charging System: Alternator and voltage regulator
Lighting Circuits: Headlights, taillights, and signals
Accessory Systems: Power windows, locks, and seats
Instrument Panel: Gauges, indicators, and warning lights

NOTE: Use proper circuit testing equipment and follow safety procedures.