mitsubishi sigma 1991 1992 1993 1994 1995 Service Repair Manual

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This manual covers the Mitsubishi Sigma models produced between 1991 and 1995. Known for its sleek, aerodynamic design and potent V6 engine options, the Sigma offered a blend of performance...

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Tipo: Car

Proveedor:

SKU: 157796

Etiquetas: 1991 1992 1993 1994 1995 Car Cars Mitsubishi Sigma

Variantes de producto

Descripción

This manual covers the Mitsubishi Sigma models produced between 1991 and 1995. Known for its sleek, aerodynamic design and potent V6 engine options, the Sigma offered a blend of performance and comfort, positioning it competitively against other mid-size sedans of its era. Its spacious interior and well-equipped features provided a refined driving experience, making it a notable entry in the automotive market for those seeking a capable and stylish sedan. This comprehensive service and repair manual provides detailed information for maintaining and repairing your Mitsubishi Sigma. It covers essential areas including engine mechanicals, fuel and ignition systems, manual and automatic transmissions, drivetrain, suspension, steering, brakes, and the complete electrical system. Additionally, the manual includes procedures for body and chassis work, HVAC systems, and safety features, along with scheduled maintenance guidelines, troubleshooting advice, and diagnostic procedures. This resource is designed to assist owners, technicians, and mechanics in ensuring the optimal performance and longevity of the vehicle.

🏷️ Basic Information

Identification

Make:

Mitsubishi

Model:

Sigma

Years Covered:

1991, 1992, 1993, 1994, 1995

👋 Introduction

Market Position

Segment:

Mid-size Sedan

Competitive Analysis

Competitors:

Toyota Camry, Honda Accord, Ford Taurus, Chevrolet Lumina, Nissan Maxima

Key Features

Styling:

Sleek, aerodynamic design for its era, often with a sporty appeal

Powertrain Options:

Known for offering potent V6 engines, providing strong performance for the segment

Interior Comfort:

Spacious cabin, comfortable seating, often well-equipped with features for its class

📋 Manual Details

Coverage Areas

Regions:

Global (specific to North American market for this generation, but adaptable to other markets with minor variations)

Page Count

Estimated Pages:

1000-2000 (typical for comprehensive service manuals of this era)

Manual Type

Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine disassembly, assembly, overhaul, timing, lubrication, cooling system

Engine Management:

Fuel injection system (MPI), ignition system, emissions control (OBD-I compliance, catalytic converter, EGR), engine control unit (ECU) diagnostics

Transmission Manual:

Manual transmission (W5MG1, KM222) disassembly, assembly, repair, clutch operation

Transmission Automatic:

Automatic transmission (V4A51) disassembly, assembly, repair, torque converter operation, hydraulic control

Drivetrain:

Front-wheel drive (FWD) systems, drive shafts, CV joints, differential

Suspension:

Front independent suspension (MacPherson struts), rear multi-link suspension, shock absorbers, springs, control arms, bushings

Steering:

Power steering system, steering rack, steering column, alignment specifications

Brakes:

Front ventilated discs, rear discs, anti-lock braking system (ABS) operation and diagnosis, brake system bleeding, master cylinder, calipers

Electrical System:

Battery, charging system (alternator), starting system (starter motor), lighting system, fuses, relays, wiring diagrams

Body And Chassis:

Body panel removal and installation, door mechanisms, window regulators, glass replacement, interior trim, chassis component torque specifications

HVAC:

Air conditioning system, heater core, blower motor, climate control module, refrigerant charging procedures

Safety Systems:

Airbag system (if equipped), seat belt mechanisms

Procedures Included

Maintenance:

Scheduled maintenance, oil changes, filter replacements, spark plug replacement, fluid checks and changes

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs) for engine and ABS, common fault finding

Repair:

Step-by-step repair procedures for all major mechanical and electrical components

Disassembly Assembly:

Detailed instructions for dismantling and reassembling various vehicle sub-assemblies

Wiring Diagrams:

Comprehensive electrical wiring diagrams for all vehicle systems

Specifications:

Torque values, clearances, fluid capacities, and other critical technical data

Technical Depth

Depth:

Comprehensive from basic maintenance to major component overhaul and diagnostics

📊 Manual Specifications

File Format

Digital Format:

PDF (Portable Document Format)

Print Quality

Printable:

Printable sections and pages

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Quality:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Code:

6G72 (Common V6)

Engine Type:

3.0L SOHC V6 (12-valve), 3.0L DOHC V6 (24-valve)

Performance

Horsepower Sohc:

Approx. 143-155 hp (varies by year and market)

Horsepower DOHc:

Approx. 170-180 hp (varies by year and market)

Torque:

Approx. 170-185 lb-ft (varies by engine and year)

Fuel System

Fuel Delivery:

Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Other

Displacement:

2972 cc

Engine Layout:

V-engine

Ignition System:

Distributorless Ignition System (DIS) or Distributor type

🔧 Transmission

Standard

Transmission Type Standard:

5-Speed Manual (e.g., W5MG1)

Optional

Transmission Type Optional:

4-Speed Automatic (e.g., V4A51)

Features

Drive Type:

Front-Wheel Drive (FWD)

📐 Dimensions

Exterior

Length:

Approx. 189.0 - 191.0 inches (varies by body style/trim)

Width:

Approx. 70.5 - 71.0 inches

Height:

Approx. 55.0 - 56.0 inches

Wheelbase:

Approx. 107.1 inches

Weights

Curb Weight:

Approx. 3200 - 3500 lbs (varies by trim and transmission)

🛡️ Safety Features

Ratings

NHTSA Frontal Impact:

Not extensively tested or rated by modern NHTSA standards for this era, but generally considered safe for its time.

Active Features

Optional Anti-lock Braking System (ABS) on many models

Passive Features

Airbags:

Driver-side airbag standard on later models; passenger airbag optional or not available on early models

Seatbelts:

Three-point seatbelts in front and rear

💡 Technology Features

Infotainment

Audio System:

AM/FM stereo with cassette player, optional CD player, speaker configurations vary by trim

Driver Assistance

Cruise Control:

Standard on most trims

Connectivity

Connectivity Features:

Limited by era; primarily focused on car stereo and basic electrical functions

Other Features

Climate Control:

Manual or automatic climate control systems available

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-5,000 miles or 6 months (depending on oil type and driving conditions)

Engine Coolant Change:

Every 30,000 miles or 2 years

Transmission Fluid Change Auto:

Every 30,000-60,000 miles (depending on driving conditions)

Transmission Fluid Change Manual:

Every 50,000-100,000 miles

Spark Plug Replacement:

Every 30,000-60,000 miles (depending on plug type - platinum plugs may last longer)

Fluid Specifications

Engine Oil Type:

API SG or higher, SAE 10W-30 or 10W-40 (check owner's manual for specific viscosity based on temperature)

Engine Oil Capacity:

Approx. 4.5 - 5.0 US quarts (with filter)

Automatic Transmission Fluid Type:

Dexron II or equivalent

Manual Transmission Fluid Type:

API GL-4, SAE 75W-90 or 80W-90

Power Steering Fluid:

ATF Dexron II or equivalent

Coolant Type:

Ethylene glycol based coolant, 50/50 mix with distilled water

Known Issues

Engine:

Head gasket leaks (especially on early V6 models), timing belt tensioner issues (if applicable), intake manifold gasket leaks

Transmission:

Automatic transmission solenoid failures, manual clutch wear

Electrical:

Corrosion in electrical connectors, power window motor failures, alternator issues

Suspension Steering:

Worn ball joints and control arm bushings, power steering pump leaks

📚 Vehicle History

Brand Heritage

Manufacturer:

Mitsubishi Motors Corporation

Model Evolution

Generation:

Third Generation Mitsubishi Sigma (Platform: J-Platform)

Design Philosophy:

Continued the Sigma's reputation for performance and luxury in a front-wheel-drive sedan format.

Production

Production Years:

1990-1996 (Global, North American market covered 1991-1996)

Manufacturing Locations:

Japan