🏷️ Basic Information

Make:

Honda

Model:

Civic

Year:

1991

Chassis Code:

EG (for 3-door hatchback, 4-door sedan, 5-door wagon - refers to the platform generation, though specific chassis codes like EH1, EJ1, EJ2, EK etc. exist within this generation for different body styles and powertrains)

Engine Codes:

D13B, D14A, D15B, D16A, D16Z, B16A (depending on market and trim; D15B and D16A are most common for the base US models)

👋 Introduction

Target Audience:

DIYers, independent repair shops, Honda enthusiasts

Value Proposition:

Cost-effective, convenient, and comprehensive repair guidance compared to outdated printed manuals.

Competitors Comparison:

Outperforms traditional printed manuals in terms of accessibility, searchability, and ease of updates. Offers a modern alternative to generic online forums or unofficial repair guides.

Licensing:

Officially licensed and derived from OE materials, ensuring accuracy and authenticity.

Software Provider:

RepairSurge

📋 Manual Details

Manual Type:

Online Service and Repair Manual Software

Language:

English

Format:

Digital Access (Web Browser based)

Access Duration:

1 Year (with discounts for extensions)

Device Compatibility:

PC, Laptop, Smartphone, Tablet (with internet connection and web browser)

📖 Manual Coverage

Engine:

Complete engine systems (mechanical, electrical, fuel, ignition, cooling, lubrication, emissions)

Transmission:

Manual and Automatic transmission systems (gearbox, clutch, torque converter, shift mechanisms)

Drivetrain:

Front-wheel drive system (axles, CV joints, differential)

Brakes:

Hydraulic brake systems (front discs, rear drums or discs depending on trim, parking brake, ABS on some models)

Steering:

Steering system (rack and pinion, power steering components if equipped)

Suspension:

Front and rear suspension systems (struts, springs, control arms, bushings, shocks)

Electrical:

Complete electrical system (wiring diagrams, lighting, starting, charging, fuses, relays, sensors)

Heating And Air Conditioning:

HVAC system (heater core, A/C compressor, refrigerant, climate controls)

Body And Interior:

Body panels, doors, glass, interior trim, seats, dashboard

Maintenance:

Scheduled maintenance (oil changes, filter replacements, tune-ups, fluid checks)

Troubleshooting:

Diagnostic procedures and common fault finding for all major systems

Repair:

Step-by-step repair procedures for component replacement and system overhauls

Adjustment:

Adjustments for systems like brakes, clutch, ignition timing (where applicable)

Disassembly And Assembly:

Detailed instructions for component removal and installation

Depth Level:

Comprehensive (from basic maintenance to detailed component overhaul and diagnostics)

Diagnostic Tools:

Guidance on using common diagnostic tools and techniques

Data Source:

Licensed OE (Original Equipment) materials

📊 Manual Specifications

Digital Format:

Web-based application

Print Quality Digital:

High-resolution digital rendering, suitable for on-screen viewing and potential printing of specific sections.

Binding Type Digital:

N/A (Digital Access)

Paper Type Digital:

N/A (Digital Access)

Text Search:

Searchable text content

⚙️ Engine Specifications

Engine Type:

Inline 4-cylinder, SOHC (Single Overhead Camshaft) - Common variants include D15B, D16A

Displacement Cc:

1300cc to 1600cc (depending on specific engine code)

Bore X Stroke Mm:

Typical for D-series: approx. 75.0 mm x 84.5 mm (for D16A)

Compression Ratio:

Varies by engine, typically around 9.1:1 to 9.7:1

Horsepower Hp:

Approx. 70-108 HP (depending on engine, market, and tuning)

Torque Lb-Ft:

Approx. 70-95 lb-ft (depending on engine)

Fuel Delivery:

Fuel Injection (PGM-FI - Programmed Fuel Injection)

Fuel Type:

Unleaded Gasoline (Octane rating varies by market, typically 87 AKI)

Coolant Type:

Honda Type 2 Coolant (Ethylene Glycol based) or equivalent silicate-free coolant. Capacity approx. 4.5-5.0 liters.

Oil Type:

API Service SJ or SG, SAE 5W-20 or 10W-30. Consult manual for exact recommendation. Oil Capacity approx. 3.7 liters (with filter).

Ignition Type:

Electronic ignition with distributor

🔧 Transmission

Transmission Type Standard:

5-speed Manual Transmission

Transmission Type Optional:

4-speed Automatic Transmission

Clutch Type:

Hydraulic clutch actuation (for manual transmission)

Transmission Fluid Manual:

API GL-4, SAE 75W-90 or 80W-90 gear oil. Capacity approx. 1.7-1.9 liters.

Transmission Fluid Automatic:

Honda Genuine ATF-Z1 (or compatible equivalent). Capacity approx. 2.5-2.8 liters for drain and fill.

📐 Dimensions

Length Mm:

Varies by body style, e.g., ~4005 mm for hatchback, ~4355 mm for sedan.

Width Mm:

Varies by body style, e.g., ~1695 mm

Height Mm:

Varies by body style, e.g., ~1340 mm for hatchback, ~1395 mm for sedan.

Curb Weight Kg:

Approx. 980-1150 kg, depending on model and equipment.

Gross Vehicle Weight Rating Kg:

Consult vehicle specific VIN plate. Typically around 1450-1550 kg.

🛡️ Safety Features

NHTSA Frontal Crash Rating:

Not independently rated by NHTSA in the modern sense for this era, but generally considered robust for its class.

ABS:

Available on some higher trims or as an option, primarily on front wheels.

Airbags:

Driver's airbag was optional or not available on all trims for this model year. Passenger airbag was not standard.

Seatbelts:

Front 3-point inertia-reel seat belts with pretensioners; rear lap and shoulder belts.

💡 Technology Features

Audio System:

Factory AM/FM stereo with cassette player. Speaker count varies by trim (2 to 4 speakers).

Display:

Basic analog gauges and indicator lights. No digital displays or touchscreens.

Cruise Control:

Optional on some higher trim levels.

Connectivity Features:

N/A (No integrated Bluetooth, USB, or Wi-Fi connectivity. Aftermarket solutions are available).

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles or 6 months, whichever comes first. Consult manual for specific engine variant.

Air Filter Replacement:

Recommended every 15,000-30,000 miles or as needed based on driving conditions.

Spark Plug Replacement:

Typically every 30,000-60,000 miles for standard plugs, longer for platinum plugs if applicable.

Timing Belt Replacement:

Crucial for D-series engines. Recommended replacement interval is typically around 60,000-100,000 miles. Failure can cause catastrophic engine damage.

Brake Fluid Type:

DOT 3 or DOT 4. Consult manual for specific recommendation.

Power Steering Fluid:

Honda Genuine Power Steering Fluid or equivalent Dexron-III/Mercon ATF (for models equipped with power steering).

Common Wear Items:

Suspension bushings (control arm, sway bar), wheel bearings, CV joint boots, exhaust components, clutch wear.

Engine Issues:

Oil leaks from seals (e.g., valve cover gasket, oil pan gasket), potential head gasket issues in higher mileage vehicles, distributor seal leaks.

Electrical Issues:

Aging wiring harnesses, intermittent issues with sensors, power window regulators can fail.

Transmission Issues:

Manual clutch wear, automatic transmission solenoid issues, synchro wear in manual gearboxes.

📚 Vehicle History

Honda Reputation:

Honda is known for reliability, fuel efficiency, and engineering excellence.

Civic Generation:

This represents the fourth generation (1988-1991) of the Honda Civic. The 1991 model year is the final year of this generation before the introduction of the EG/EK generation.

Key Design Changes From Previous Gen:

Shifted to a more aerodynamic and rounded design, with independent rear suspension becoming more common across the range.

Production Location:

Primarily Japan, with some production in other global facilities.

🏆 Awards & Recognition

Car And Driver 10 Best:

While the 1991 model itself might not have been specifically listed, the Honda Civic consistently appeared on Car and Driver's 10Best list throughout the late 1980s and early 1990s, cementing its reputation for value and performance in its class.