🏷️ Basic Information Identification Make: Mitsubishi Model: Diamante Generation: First Generation (JDM: Sigma, Export: Diamante) Production Years Covered By Manual: 1991, 1992, 1993, 1994, 1995, 1996 Codes Chassis Codes: F11A, F12A, F13A, F15A, F17A, F25A, F27A, F31A, F36A (varies by engine and drivetrain) 👋 Introduction Market Position Segment: Large/Mid-size Luxury Sedan and Wagon Target Audience: Individuals seeking comfortable, stylish, and technologically advanced transportation, often compared to domestic and European luxury offerings. Competitive Analysis Key Competitors Early 90S: Buick LeSabre/Park Avenue, Ford Taurus/Mercury Sable, Chevrolet Lumina, Oldsmobile Eighty-Eight/Lumina, Chrysler New Yorker, Toyota Camry, Honda Accord, Nissan Maxima, Volvo 240/740/940 Key Features Design Philosophy: Emphasized European styling influences, spacious interior, quiet ride, and advanced features for its time. Available Drivetrains: Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) with Mitsubishi's 'Super Select' system. 📋 Manual Details Coverage Areas Countries Of Sale Covered: North America, Japan (as Sigma/Diamante), potentially other export markets Vehicle Types Covered: Sedan, Wagon (specific wagon coverage may vary but likely included) Page Count Total Pages: 1441 Manual Type Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, cylinder head, block assembly, lubrication system, cooling system, fuel system, emission control systems Engine Electrical: Ignition system, starting system, charging system, engine control system (ECU), fuel injection system Transmission: Automatic transmission (e.g., F4A51, V4A51), manual transmission (if applicable), clutch, transfer case (if AWD) Drivetrain: Front-wheel drive, All-wheel drive (Super Select 4WD), driveshafts, axles, differentials Suspension: Front suspension (e.g., MacPherson strut, multi-link), rear suspension (e.g., multi-link), steering system, wheel alignment Brakes: Front and rear brakes (disc, possibly drum for rear on some variants), ABS system, parking brake Electrical Body: Lighting system, power windows, power locks, mirrors, wipers, horn, body control modules HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system components and service Interior: Trim removal and installation, seats, airbags (if equipped), dashboard Exterior: Body panels, bumpers, doors, hood, trunk, glass, seals Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), testing procedures for various systems Procedures Included Maintenance: Routine maintenance, fluid changes, filter replacements, tune-ups Repair: Detailed step-by-step repair procedures for all major components and systems Disassembly Assembly: Comprehensive instructions for component removal and reinstallation Adjustments: Calibration and adjustment procedures for various systems (e.g., brakes, clutch, suspension, engine timing) Troubleshooting: Systematic approaches to diagnose and resolve common and uncommon problems Specifications: Tightening torques, fluid capacities, wear limits, electrical specifications Special Tools: Identification and usage of special service tools required for specific procedures Technical Depth Depth: Comprehensive, bumper-to-bumper coverage suitable for professional mechanics and advanced DIYers Diagrams Illustrations: Pictorial diagrams, exploded views, schematics, and photos for clarity Factory Specs: Includes factory specifications, allowable limits, and reference data 📊 Manual Specifications File Format Quality: High quality PDF, printable pages Compatibility: Windows, Mac, Linux OS Requirements: Adobe Reader Print Quality Printable: Yes Binding Type Binding: Digital (Instant Download PDF) Paper Type Paper Type: N/A (Digital Format) Completeness Completeness: 100% Complete and Intact, no missing/corrupt pages/sections ⚙️ Engine Specifications Primary Engine Engine 1: 6G73 V6 SOHC 24-valve Engine 1 Displacement: 2.5 Liters (2498 cc) Engine 1 Bore X Stroke: 81.0 mm x 80.0 mm Engine 1 Compression Ratio: 8.5:1 (approx.) Engine 1 Horsepower: 160-170 hp @ 5500-6000 rpm (varies by market and year) Engine 1 Torque: 176-180 lb-ft @ 3500-4500 rpm (varies by market and year) Engine 2: 6G74 V6 SOHC 24-valve Engine 2 Displacement: 3.0 Liters (2968 cc) Engine 2 Bore X Stroke: 86.0 mm x 86.0 mm Engine 2 Compression Ratio: 8.5:1 (approx.) Engine 2 Horsepower: 195-210 hp @ 5500-6000 rpm (varies by market and year) Engine 2 Torque: 200-215 lb-ft @ 3500-4500 rpm (varies by market and year) Performance Engine Management: Electronic Fuel Injection (EFI) with engine control unit (ECU) Fuel Type: Unleaded gasoline (Octane rating may be specified in manual) Fuel System Fuel Delivery: Multi-point fuel injection (MPI) Fuel Pump: Electric, in-tank 🔧 Transmission Standard Standard Transmission: 4-speed automatic transmission (e.g., F4A51) Optional Optional Transmission: 5-speed manual transmission (less common in export markets, possibly available on certain trims/engines) Features AWD System: Optional 'Super Select' All-Wheel Drive system with multiple modes (e.g., 2WD, AWD, 4WD Lock). Transmission Fluid Type: DIAMOND ATF SP-III or equivalent (refer to manual for exact specification) 📐 Dimensions Exterior Length: Approx. 4,965 mm (195.5 in) for sedan Width: Approx. 1,790 mm (70.5 in) Height: Approx. 1,425 mm (56.1 in) for sedan Wheelbase: Approx. 2,820 mm (111.0 in) Weights Curb Weight: Approx. 1,550 - 1,750 kg (3,417 - 3,858 lbs) depending on configuration 🛡️ Safety Features Ratings Crash Test Results: NHTSA ratings may vary by year and specific test; refer to historical data for specific ratings. Active Features ABS: Anti-lock Braking System (ABS) available on most models Traction Control: Traction control system (TCS) available on some higher trims/later years. Passive Features Airbags: Driver airbag standard; passenger airbag optional or standard on later...