🏷️ Basic Information Identification Make: Mitsubishi Model: Sigma Product Name: Mitsubishi Sigma 1989-1997 Factory Service & Shop Manual Codes Model Years Covered: 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 Platform Code General: JDM: ES/Eterna, Export: Sigma/Galant 👋 Introduction Market Position Target Audience: Mitsubishi Sigma owners, independent repair shops, automotive technicians, hobbyists. Competitive Analysis Value Proposition: Provides OEM-level diagnostic and repair information, equivalent to what dealerships utilize, ensuring accurate and efficient servicing. Key Features Features: Detailed illustrations, organized table of contents per section, searchable content (typical for PDFs). 📋 Manual Details Coverage Areas Primary Coverage: Full Workshop and Service Manual Page Count Estimated Page Count: Comprehensive (specific count not provided, but described as 'intact without any missing page' and 'expandable for great detail') Manual Type Type: Factory Service Manual / Shop Manual / Repair Manual Language Language: English (based on product description and excerpt) Format Format: Printer-ready PDF Documents 📖 Manual Coverage Systems Covered Engine: Detailed coverage including maintenance, overhaul, disassembling, assembling, adjustment, tune-up, operation, inspecting, diagnostic, and troubleshooting. Brakes: Includes specific on-vehicle service procedures such as stop lamp switch checks and brake booster operating tests (as per excerpt). Electrical: Includes electrical wiring diagrams. Transmission: Implied coverage for maintenance, overhaul, disassembling, assembling, adjustment, and troubleshooting. Suspension Steering: Implied coverage for maintenance, overhaul, disassembling, assembling, adjustment, and troubleshooting. Body Chassis: Implied coverage for maintenance, overhaul, disassembling, assembling, adjustment, and troubleshooting. Fuel System: Implied coverage for maintenance, overhaul, disassembling, assembling, adjustment, and troubleshooting. Cooling System: Implied coverage for maintenance, overhaul, disassembling, assembling, adjustment, and troubleshooting. Exhaust System: Implied coverage for maintenance, overhaul, disassembling, assembling, adjustment, and troubleshooting. Procedures Included Maintenance: Routine maintenance, fluid changes, inspections. Repair: Detailed repair procedures for various systems and components. Troubleshooting: Diagnostic procedures and common fault finding. Overhaul: Comprehensive engine and component overhaul instructions. Disassembly Assembly: Step-by-step procedures for taking apart and reassembling components. Adjustment Tuneup: Calibration and tuning procedures for optimal performance. Technical Depth Depth: Dealer-level service information, providing thorough coverage from basic maintenance to in-depth diagnostics and repairs. 📊 Manual Specifications File Format File Type: PDF Print Quality Readability: High quality, printer-ready, works on all devices, expandable for detail. Binding Type Binding: Digital (PDF) Paper Type Paper Quality Digital: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Options: Likely includes V6 engine options (e.g., 6G71 2.0L, 6G72 3.0L) common in this era and model, and potentially 4-cylinder variants for certain markets or trims. Performance Horsepower Torque: Specific figures vary by engine and market, but typical for the era could range from 130-170 HP for 4-cylinders and 150-200+ HP for V6 models. Torque figures would be correspondingly proportioned. Fuel System Fuel Delivery: Likely features Electronic Fuel Injection (EFI) with multi-point injection (MPI) systems. Engine Management ECU Type: Engine Control Unit (ECU) governing fuel injection, ignition timing, and other engine parameters. Maintenance Points Spark Plugs: Specific plug type, gap, and replacement interval would be detailed in the manual. Timing Belt Chain: Crucial information on timing belt replacement intervals (if applicable) or chain maintenance, including tensioner specifications. 🔧 Transmission Standard Transmission Type Standard: Likely offered with both manual and automatic transmission options. Optional Transmission Type Optional: Automatic transmission may feature different shift modes or sport settings depending on trim. Features Fluid Type: Specific Automatic Transmission Fluid (ATF) type and capacity will be listed, e.g., Mitsubishi Diamond ATF-SPII or equivalent. Clutch Specifications: If manual transmission, details on clutch type, adjustment, and replacement would be present. 📐 Dimensions Exterior Body Styles: Typically available as a Sedan and Hardtop Coupe. Weights Curb Weight: Curb weight would vary significantly based on engine, transmission, and trim, but generally in the range of 1300-1550 kg. 🛡️ Safety Features Ratings Crash Test Ratings: No specific crash test rating data available for this era/model in a universally comparable format as modern standards. However, the manual would detail safety system components. Active Features ABS: Anti-lock Braking System (ABS) was an available option on many trims. Passive Features Airbags: Driver-side airbag became increasingly common throughout this generation, with passenger airbags optional or standard on later models. Seatbelts: Manual would detail seatbelt pre-tensioner operation and adjustment if equipped. 💡 Technology Features Infotainment Audio System: Factory radio systems typically included AM/FM stereo with cassette player, and later models may have offered CD compatibility. Driver Assistance Cruise Control: Cruise control was a common option on higher trim levels. Connectivity Proprietary Systems: No advanced connectivity features like Bluetooth or USB ports as these were not common in the early 1990s. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions and oil type. Manual will specify exact intervals and oil grades. Coolant Change Interval: Recommended every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years. Manual will provide specific coolant type and capacity. Transmission Fluid Change: Intervals vary for manual and automatic. Automatics...