1990 Acura Integra Repair Manual PDF

The 1990 Acura Integra Repair Manual provides comprehensive technical information for maintaining and repairing the second-generation Acura Integra. This manual covers all major systems including the 1.6L DOHC 16-valve engine, 5-speed manual transmission, suspension, brakes, electrical systems, and body components. Below are key sections for technical specifications, maintenance procedures, troubleshooting, and repair instructions.

1. Vehicle Specifications 2. Maintenance Schedule 3. Engine Repair 4. Transmission & Drivetrain 5. Suspension & Steering 6. Brake Systems 7. Electrical Systems 8. Body & Interior 9. Troubleshooting Guide 10. Technical Service Bulletins

Vehicle Specifications

Complete technical specifications for the 1990 Acura Integra models including RS, LS, and GS trim levels.

Specification	Details
Engine	1.6L DOHC 16-valve inline-4 (B16A1)
Horsepower	130 hp @ 6800 rpm
Torque	106 lb-ft @ 6200 rpm
Transmission	5-speed manual (standard)
Fuel System	Multi-point fuel injection
Brakes	Front disc, rear drum with ABS
Suspension	4-wheel independent double wishbone
Wheelbase	96.5 inches
Curb Weight	2,470 lbs
Fuel Capacity	13.2 gallons

Maintenance Schedule

Recommended maintenance intervals and service procedures for optimal vehicle performance.

Oil Change: Every 7,500 miles or 12 months
Spark Plugs: Replace every 30,000 miles
Timing Belt: Replace every 60,000 miles
Coolant Flush: Every 30,000 miles or 24 months
Brake Fluid: Replace every 30,000 miles
Transmission Fluid: Replace every 30,000 miles

WARNING! Always use genuine Acura parts for optimal performance and reliability.

Engine Repair

Detailed procedures for engine maintenance, repair, and troubleshooting.

Valve Adjustment: Every 15,000 miles - cold adjustment procedure
Timing Belt Replacement: Critical maintenance at 60,000 miles
Fuel System Service: Injector cleaning and fuel filter replacement
Cooling System: Radiator, thermostat, and water pump service
Ignition System: Distributor, spark plugs, and ignition timing

CAUTION! Always disconnect battery before performing electrical work.

Transmission & Drivetrain

Service procedures for manual transmission, clutch, and drivetrain components.

Clutch Replacement: Pedal adjustment and hydraulic system bleeding
Transmission Fluid: Type and capacity specifications
Shift Linkage: Adjustment and lubrication procedures
CV Joints: Inspection and replacement guidelines
Differential: Service and maintenance requirements

Suspension & Steering

Repair and maintenance of suspension components and steering system.

Component	Service Procedure
Struts/Shocks	Replacement and alignment specifications
Control Arms	Bushing replacement and ball joint inspection
Tie Rods	Replacement and toe adjustment procedures
Wheel Bearings	Inspection, adjustment, and replacement
Alignment	Camber, caster, and toe specifications

Brake Systems

Complete brake system service including disc brakes, drum brakes, and ABS.

Brake Pad Replacement: Front and rear specifications
Rotor Resurfacing: Minimum thickness specifications
Brake Fluid Bleeding: Proper procedure for air removal
ABS System: Diagnostic and service procedures
Parking Brake: Adjustment and cable replacement

WARNING! Always test brakes at low speed after service.

Electrical Systems

Wiring diagrams, component locations, and electrical system troubleshooting.

Battery: Specifications and testing procedures
Alternator: Output test and replacement
Starter: Removal, testing, and installation
Lighting: Headlight, taillight, and signal light circuits
Instrument Cluster: Gauge testing and repair
Fuse Box: Location and circuit protection

Body & Interior

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

Door Panel Removal: Access to window regulators and locks
Dashboard Service: Instrument cluster and control removal
Seat Removal: Track adjustment and motor service
Exterior Trim: Molding and emblem replacement
Glass Replacement: Windshield and window procedures

Troubleshooting Guide

Common problems and solutions for the 1990 Acura Integra.

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel pump, ignition, or starter	Check fuel pressure, spark, and battery voltage
Poor acceleration	Clutch slip or fuel delivery	Inspect clutch wear and fuel filter
Brake vibration	Warped rotors	Resurface or replace brake rotors
Electrical issues	Ground connections	Check and clean all ground points
Overheating	Cooling system	Test thermostat and check coolant level

Technical Service Bulletins

Manufacturer-issued service bulletins and common factory updates.

TSB 90-001: Revised valve clearance specifications
TSB 90-015: Clutch master cylinder improvement
TSB 90-028: Updated ignition timing procedure
TSB 90-042: Brake caliper bracket reinforcement
TSB 90-057: Fuel injector service procedure update

Service Support: Contact Acura customer service for technical assistance.