91 Acura Integra GL Manual

The 1991 Acura Integra GL is a compact sports sedan featuring a 1.8L DOHC 16-valve four-cylinder engine, 5-speed manual transmission, front-wheel drive, power steering, power brakes, air conditioning, AM/FM cassette stereo, and comprehensive instrumentation. Below are key sections for operation, maintenance, specifications, and troubleshooting.

1. Vehicle Overview 2. Instrument Panel 3. Operating Instructions 4. Technical Specifications 5. Maintenance Schedule 6. Fluid Capacities 7. Troubleshooting Guide 8. Safety Features 9. Warranty Information

Vehicle Overview

The 1991 Acura Integra GL combines sporty performance with luxury features in a compact package.

Feature	Description
Engine	1.8L DOHC 16-valve four-cylinder
Transmission	5-speed manual
Drivetrain	Front-wheel drive
Fuel System	Multi-point fuel injection
Brakes	Front disc/rear drum with ABS
Suspension	4-wheel independent
Seating Capacity	5 passengers
Curb Weight	2,575 lbs
Fuel Capacity	13.2 gallons

Instrument Panel

Main controls and displays located on the dashboard.

Tachometer: Engine RPM (0-8,000 rpm)
Speedometer: Vehicle speed (0-140 mph)
Fuel Gauge: Fuel level indicator
Temperature Gauge: Engine coolant temperature
Warning Lights: Oil pressure, battery, brake system
Climate Controls: A/C, heater, defroster
Audio System: AM/FM cassette with equalizer

NOTE: Familiarize yourself with all controls before driving.

Operating Instructions

Proper procedures for starting, driving, and shutting down the vehicle.

Starting: Depress clutch, turn key to start position
Shifting: Smooth clutch engagement between gears
Parking: Apply parking brake, shift to reverse
Climate Control: Adjust temperature and fan speed
Audio System: Volume, station selection, tape operation

WARNING! Always wear seat belts and obey traffic laws.

Technical Specifications

Engine: 1.8L DOHC 16-valve inline-4
Horsepower: 130 hp @ 6,300 rpm
Torque: 121 lb-ft @ 5,000 rpm
Compression Ratio: 9.2:1
Transmission: 5-speed manual
Final Drive Ratio: 4.40:1
Brakes: Ventilated front discs, rear drums
Wheelbase: 99.2 inches
Length: 174.0 inches
Width: 66.7 inches
Height: 52.6 inches

Maintenance Schedule

Recommended service intervals for optimal performance.

Service	Interval	Description
Oil Change	7,500 miles	Replace engine oil and filter
Tire Rotation	7,500 miles	Rotate tires for even wear
Air Filter	30,000 miles	Replace engine air filter
Spark Plugs	30,000 miles	Replace all spark plugs
Timing Belt	60,000 miles	Inspect and replace if necessary
Coolant	30,000 miles	Flush and replace coolant
Brake Fluid	30,000 miles	Replace brake fluid

Fluid Capacities

Proper fluid types and quantities for various systems.

Engine Oil: 4.2 quarts (5W-30)
Coolant: 6.3 quarts (50/50 mix)
Manual Transmission: 2.4 quarts
Brake Fluid: DOT 3 or DOT 4
Power Steering: Automatic transmission fluid
Windshield Washer: All-season fluid

CAUTION! Use only recommended fluids to avoid damage.

Troubleshooting Guide

Common issues and their solutions.

Symptom	Possible Cause	Corrective Action
Hard starting	Weak battery, fuel filter	Check battery voltage, replace fuel filter
Poor acceleration	Clogged air filter, spark plugs	Replace air filter and spark plugs
Gear grinding	Low transmission fluid	Check and fill transmission fluid
Overheating	Low coolant, thermostat	Check coolant level, replace thermostat
Brake vibration	Warped rotors	Resurface or replace brake rotors

Safety Features

Standard safety equipment and systems.

3-point seat belts for all seating positions
Dual airbags (driver and passenger)
Anti-lock braking system (ABS)
Side impact protection
Child safety door locks
High-mounted stop lamp

IMPORTANT: Regular maintenance ensures safety systems function properly.

Warranty Information

Original factory warranty coverage (1991).

Basic Warranty: 4 years/50,000 miles
Powertrain: 5 years/60,000 miles
Corrosion: 5 years/unlimited miles
Roadside Assistance: 4 years/50,000 miles

For warranty claims and service, contact your local Acura dealer.