🏷️ Basic Information

Make:

Mitsubishi

Model:

Sigma

Model Variant:

Sedan and Hardtop Coupe (depending on market)

Generation:

Second Generation (E10A, E15A, E16A, E17A, E18A)

Chassis Codes:

E10A, E15A, E16A, E17A, E18A

👋 Introduction

Vehicle Class:

Mid-size sedan/coupe, often positioned as a comfortable and reliable family or executive vehicle.

Brand Heritage Context:

Mitsubishi's reputation for durable and technically sound vehicles, often with an emphasis on value for money.

Key Competitors:

Toyota Camry, Honda Accord, Nissan Maxima, Ford Taurus, Chevrolet Lumina (depending on market).

Design Philosophy:

Balanced styling, comfortable interior, and competent performance for everyday driving.

Manual Value Proposition:

Provides comprehensive, factory-level repair and maintenance information to empower owners and independent mechanics to service the vehicle effectively.

📋 Manual Details

Applies To Years:

1996, 1997

Page Count:

700

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF

Delivery Method:

Instant Download

📖 Manual Coverage

Engine Mechanical:

Engine overhaul, cylinder head, engine block, pistons, crankshaft, camshafts, timing belt/chain, oil pump, cooling system, lubrication system.

Engine Electrical:

Ignition system, fuel injection system (ECI), starting system, charging system, engine control unit (ECU) diagnosis and wiring diagrams.

Transmission Manual:

Clutch, gearbox overhaul, gear shift mechanism, specifications, removal and installation.

Transmission Automatic:

Automatic transmission overhaul, valve body, torque converter, shift control, fluid specifications, diagnosis.

Drivetrain:

Front-wheel drive (FWD) system, driveshafts, CV joints, differentials, wheel bearings.

Suspension Components:

Front suspension (MacPherson struts, control arms, stabilizer bar), rear suspension (independent multi-link), shock absorbers, springs, bushings, alignment specifications.

Steering:

Power steering system, steering rack, steering column, tie rods, steering angle sensor (if equipped), troubleshooting.

Brake System:

Front disc brakes, rear disc or drum brakes, brake hydraulics, master cylinder, calipers, wheel cylinders, ABS (Anti-lock Braking System) diagnosis and components, brake fluid specifications, bleeding procedures.

Lighting System:

Headlights, taillights, interior lighting, bulb specifications, wiring.

Instrumentation:

Dashboard instruments, gauges, warning lights, sensor operations.

Power Accessories:

Power windows, power locks, power mirrors, power seats, sunroof (if equipped), cruise control.

Audio Visual:

Radio, speakers, antenna system.

HVAC System:

Air conditioning system diagnosis and repair, heater core, blower motor, climate control panel, refrigerant specifications.

Body Panels:

Doors, hood, trunk lid, fenders, bumpers, glass, trim, panel removal and installation, body repair, rust prevention.

Interior:

Seat removal and installation, dashboard trim, center console, carpet, headliner.

Frame And Structure:

Chassis structure, unibody construction principles (general information).

Troubleshooting Guides:

Comprehensive diagnostic charts and flowcharts for various systems and symptoms, fault code interpretation (OBD-I likely for some models/markets).

Maintenance Procedures:

Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, brake pad/shoe replacement, belt inspection/replacement.

Repair Procedures:

Step-by-step instructions for disassembly, repair, and reassembly of all major vehicle components.

Adjustment Procedures:

Engine timing, idle speed, throttle cable, clutch pedal, brake pedal, parking brake, wheel alignment, headlight aiming.

Installation Procedures:

Component installation, accessory installation, gasket and seal replacement.

Removal Procedures:

Component removal for service and replacement.

Depth Of Coverage:

Comprehensive 'bumper-to-bumper' coverage suitable for professional mechanics and advanced DIY enthusiasts. Includes detailed explanations, diagrams, and factory specifications.

Special Tools:

Reference to specific Mitsubishi Special Service Tools (SST) required for certain procedures, often with illustrations of tool usage.

Diagrams And Illustrations:

Detailed illustrations, exploded diagrams, drawings, and photographs to guide repair procedures.

Specifications And Data:

Extensive lists of service data, tightening torques, wear limits, fluid capacities, electrical resistance values, and performance specifications.

📊 Manual Specifications

File Format:

PDF

Compatibility:

Windows, Mac OS, Linux OS

Software Requirement:

Adobe Reader

Printability:

Yes, all pages are printable.

Binding Type:

Digital (PDF)

Paper Type:

Not Applicable (Digital Format)

Completeness Status:

100% Complete and Intact, no missing/corrupt pages/sections.

⚙️ Engine Specifications

Engine Options:

Likely featured V6 engines, such as the 6G72 (3.0L SOHC/DOHC) and potentially inline-four engines (e.g., 4G63 or 4G64) in some markets or base models. (Specific engine variants for 1996-1997 need verification via VIN/market).

Typical Horsepower Range:

Approximately 135-170 hp for inline-four, and 170-220 hp for V6 engines, depending on configuration.

Typical Torque Range:

Torque figures vary significantly with engine size and type.

Fuel Delivery:

Electronic Multi-Point Fuel Injection (MPI) or Mitsubishi's Electronic Controlled Fuel Injection (ECI).

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Standard Transmission:

Likely a 5-speed manual transmission in base models or certain trims.

Optional Transmission:

4-speed automatic transmission was widely available.

Drive Type:

Front-Wheel Drive (FWD)

📐 Dimensions

Wheelbase:

Approximately 2700-2750 mm (106.3-108.3 inches) for sedan/coupe variants.

Length:

Approximately 4700-4850 mm (185-191 inches).

Width:

Approximately 1750-1770 mm (68.9-69.7 inches).

Height:

Approximately 1370-1430 mm (53.9-56.3 inches).

Curb Weight:

Approximately 1350-1500 kg (2976-3307 lbs), depending on engine and equipment.

🛡️ Safety Features

Crash Test Information:

Information on crashworthiness is limited for this era, but models typically focused on occupant protection for their time. Specific NHTSA/IIHS ratings for these exact years may not be readily available or comparable to modern standards.

ABS:

Anti-lock Braking System (ABS) was an available option or standard on higher trims.

Traction Control:

Traction control systems were less common in this period, but potentially available on top-tier models.

Airbags:

Driver and passenger airbags were likely standard or optional depending on the market and trim level.

Seatbelts:

Three-point seatbelts with pretensioners for front occupants were common.

💡 Technology Features

Audio System:

Factory AM/FM cassette player with optional CD player, likely with 4-6 speaker configuration.

Cruise Control:

Electronic cruise control was commonly available.

Auxiliary Inputs:

Not present by modern standards. AUX or USB inputs would require aftermarket modifications.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, whichever comes first. (Refer to manual for precise intervals).

Timing Belt Replacement:

Critical maintenance item. For 6G72 V6 engines, typically recommended every 60,000-90,000 miles (96,000-144,000 km). (Verify specific interval in manual).

Engine Oil Type:

API SG/SH or higher, viscosity typically 5W-30 or 10W-30 depending on climate. (Refer to manual for exact specification).

Transmission Fluid Automatic:

Mitsubishi DIAQUEEN ATF SP-II or equivalent. (Refer to manual for exact specification and capacity).

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid. (Refer to manual for exact specification).

Coolant Type:

Mitsubishi Long Life Coolant (LLC) or a compatible ethylene glycol-based coolant with proper corrosion inhibitors. (Refer to manual for exact specification and mixture ratio).

Common Wear Items:

Timing belt (critical failure if it breaks), CV joint boots, suspension bushings, exhaust components, oxygen sensors, O2 sensors.

Electrical Gremlins:

Can be prone to minor electrical issues over time, such as power window motors, door lock actuators, or instrument cluster illumination.

Automatic Transmission Durability:

While generally reliable, some units may experience wear or shifting issues with high mileage if not maintained properly.

📚 Vehicle History

Mitsubishi History Context:

Mitsubishi Motors Corporation has a long history in automotive manufacturing, known for innovation and robust engineering, often with a focus on performance and durability (e.g., Lancer Evolution).

Sigma Lineage:

The Mitsubishi Sigma nameplate has been used on various models globally, often representing Mitsubishi's flagship or upper-mid-size offerings. This generation (E10A-E18A) followed earlier iterations and was designed to compete in a mature market segment.

Production Period:

The second generation Sigma was produced from approximately 1990 to 1996/1997, depending on the market. This manual specifically covers the later years of this generation.

🏆 Awards & Recognition

Market Awards:

While specific awards for the 1996-1997 Sigma models are not widely publicized, Mitsubishi vehicles of this era were generally recognized for their reliability and value in various consumer reports and automotive publications.

Consumer Satisfaction:

Customer satisfaction often centered on the car's comfort, ride quality, and mechanical robustness for its price point.