🏷️ Basic Information Identification Make: Mitsubishi Model: Sigma Diamante Generation: Third Generation (JDM: Mitsubishi Debonair) Model Years Covered: 1995-2005 Codes Platform Code: 9th generation Mitsubishi Galant platform (specifically developed for the Diamante) 👋 Introduction Market Position Market Segment: Mid-size luxury sedan, positioned as Mitsubishi's flagship sedan for many markets. Competitive Analysis Competitors: Competed against vehicles like the Toyota Avalon, Nissan Maxima, Honda Accord (higher trims), and to some extent, entry-level luxury sedans from other brands. Key Features Distinguishing Features: Known for its comfortable ride, spacious interior, sophisticated styling (for its time), and a focus on refinement. Often featured advanced options like all-wheel drive and a refined V6 engine. Manual Value Proposition Value For Owner: Enables owners to perform routine maintenance, troubleshoot issues, and undertake significant repairs, potentially saving considerable costs on professional servicing. The detailed procedures and diagrams empower DIY enthusiasts. Manual Purpose Target Audience: Professional technicians, experienced DIY mechanics, and dedicated owners seeking in-depth knowledge for repair and maintenance. 📋 Manual Details Coverage Areas Systems Covered List: • General Information • Automatic Transmission • Body • Chassis Electrical • Clutch • Cooling System • Emission Control • Engine Electrical • Engine • Exterior • Front Axle & Suspension • Rear Axle & Suspension • Fuel System • Heating and Ventilation • Air Conditioning • Intake and Exhaust • Interior • Lubrication System • Manual Transmission • Parking Brakes • Power Plant Mount • Rear Axle • Rear Suspension • Service Brakes • Steering • Wheel and Tires Page Count Estimated Page Count: Over 2000 pages (typical for comprehensive factory service manuals of this era) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF (Digital Download) Searchability: PDF format typically allows for keyword searching, significantly improving the speed of finding specific information within the manual. 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanicals, cooling, lubrication, fuel delivery, ignition, emission controls, engine electricals, intake and exhaust systems. Transmission Systems: Automatic transmission (operation, diagnosis, overhaul) and Manual transmission (operation, diagnosis, overhaul). Chassis Systems: Front and rear suspension, steering system, brake systems (service and parking), wheels and tires. Body And Interior Systems: Body construction, exterior trim, interior trim, HVAC (Heating, Ventilation, and Air Conditioning), and body electrical systems. Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, lubrication, inspections. Repair Procedures: Detailed step-by-step repair instructions for all major vehicle components, including engine overhaul, transmission rebuild, suspension component replacement, brake service, electrical diagnostics, and body panel repair. Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, electrical circuit diagrams, component testing procedures, fault code interpretation. Technical Specifications: Torque specifications, tightening sequences, fluid capacities and types, electrical component resistance values, diagnostic parameters. Body And Paint Repair: While primarily focused on mechanical and electrical aspects, comprehensive manuals often include sections on body repair, panel alignment, and basic paintwork procedures. Technical Depth Depth: Comprehensive, covering everything from basic fluid checks and filter changes to complete engine and transmission rebuilds, complex electrical diagnostics, and bodywork. Wiring Diagrams: Comprehensive electrical wiring diagrams for all systems, including engine control, chassis electrical, lighting, and accessories, are typically included. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Fully printable (selected pages or entire manual), high-resolution diagrams and images. Binding Type Binding Type: N/A (Digital Download - PDF) Paper Type Paper Type: N/A (Digital Download - PDF) Illustrations Illustration Type: Detailed exploded views, step-by-step procedure illustrations, wiring diagrams, schematics. Illustration Quality Diagram Detail: High-quality, detailed exploded views and diagrams are a hallmark of factory service manuals, crucial for component identification and assembly/disassembly guidance. ⚙️ Engine Specifications Primary Engine Engine Options: • 2.5L V6 (6G73) • 3.0L V6 (6G72) • 3.5L V6 (6G74) Performance 2.5L V6 6G73 Specs: Displacement: 2498cc, Configuration: SOHC V6, Horsepower: Approx. 160-170 hp, Torque: Approx. 155-165 lb-ft. (Varies by market and year). 3.0L V6 6G72 Specs: Displacement: 2972cc, Configuration: SOHC V6, Horsepower: Approx. 195-210 hp, Torque: Approx. 190-200 lb-ft. (Varies by market and year). 3.5L V6 6G74 Specs: Displacement: 3497cc, Configuration: SOHC V6, Horsepower: Approx. 215-240 hp, Torque: Approx. 225-240 lb-ft. (Varies by market and year). Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) / Multi-Point Fuel Injection (MPI). Engine Management ECU: Engine Control Unit (ECU) for fuel and ignition timing management. Ignition System: Distributor-based ignition system for earlier models, potentially coil-on-plug or distributorless ignition systems for later models within the 1995-2005 range. The manual will detail diagnostics and component replacement for the specific system. 🔧 Transmission Standard Transmission Options: Primarily Automatic Transmissions (e.g., INVECS-II Sport Mode) and some markets/trims may have offered a Manual Transmission. Optional All Wheel Drive: Available on select models, often paired with the V6 engines. Features Automatic Transmission Features: Electronic control, 'Sport Mode' with adaptive shift logic. 📐 Dimensions Exterior Wheelbase: Approximately 2,760 mm (108.7 in) Length: Approximately 4,890 mm (192.5 in) Width: Approximately 1,780 mm (70.1...