🏷️ Basic Information Identification Make: Mitsubishi Engine Family: 4G6 Series Codes Covered Engine Codes: 4G61, 4G62, 4G63, 4G64 Engine Configurations Covered: SOHC (Single Overhead Camshaft), DOHC (Double Overhead Camshaft) 👋 Introduction Market Position Target Audience: Owners and technicians performing in-depth engine maintenance and repair on Mitsubishi vehicles equipped with the 4G6 series engines. Competitive Analysis Source Credibility: Authentic Mitsubishi factory documentation, providing the most accurate and complete information available. Key Features Value Proposition: Essential resource for maximizing engine longevity, diagnosing issues effectively, and performing repairs with factory-specified procedures. Engine Versatility: Covers a wide range of engine variants within the robust 4G6 family, including the iconic turbocharged 4G63T found in performance models. 📋 Manual Details Coverage Areas Years Covered: 1990-2004 Primary Use Cases: Full engine rebuilds, head gasket repairs, timing belt/chain changes Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format File Type: PDF Compatibility: Windows, macOS 📖 Manual Coverage Systems Covered Engine Mechanical: Cylinder head, block assembly, crankshaft, connecting rods, pistons, camshafts, valve train Engine Lubrication: Oil pump, oil pan, oil filter, oil galleries, oil pressure diagnostics Engine Cooling: Radiator, water pump, thermostat, coolant passages, fan systems Fuel System: Fuel injectors, fuel pump, fuel rail, fuel pressure regulator, fuel filter (where applicable to engine) Ignition System: Ignition coils, spark plugs, distributor (if applicable), ignition timing Exhaust System: Exhaust manifold, catalytic converter (engine interface), exhaust components (engine-related) Intake System: Intake manifold, throttle body, air flow sensors Engine Management: ECU diagnostics (basic), sensor identification and function, basic troubleshooting Timing System: Timing belts, timing chains, tensioners, idlers, sprockets, timing marks Procedures Included Disassembly Assembly: Complete engine disassembly and reassembly procedures Torque Specifications: Detailed torque specifications for all critical fasteners Clearances Tolerances: Engine bearing clearances, piston ring gap, valve lash (if adjustable), cylinder bore measurements Sealant Applications: Specific locations and types of sealants for gaskets and mating surfaces Troubleshooting Diagnostics: Common engine problems and diagnostic flowcharts (engine-specific) Maintenance Tasks: Detailed steps for routine maintenance tasks related to the engine Technical Depth Level Of Detail: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts Special Tools: Identification and usage of specialized tools required for specific repairs 📊 Manual Specifications File Format PDF Quality: High-resolution scans of original factory documentation, ensuring clarity of diagrams and text Searchability: Text-searchable PDF for efficient information retrieval Print Quality Printability: Printable pages, allowing for physical reference during repairs Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Family: Mitsubishi 4G6 Series Design Philosophy: Robust, inline-four cylinder, cast-iron block, aluminum head internal combustion engines known for their durability and performance potential. Performance 4G61 Displacement: 1.8L (1834cc) 4G62 Displacement: 2.0L (1997cc) 4G63 Displacement: 2.0L (1997cc) - Notably the turbocharged variants (4G63T) are highly sought after. 4G64 Displacement: 2.4L (2351cc) Valvetrain Technologies: SOHC and DOHC configurations, some DOHC variants feature Mitsubishi's MIVEC (Mitsubishi Innovative Valve timing Electronic Control) system for improved performance and efficiency. Fuel System Injection Type: Multi-point fuel injection (MPI) is standard across most variants, with some earlier or specific models potentially utilizing carburetion or single-point injection. Fuel Type: Unleaded gasoline Engine Management ECU Type: Various ECUs depending on model year and market, controlling fuel, ignition, and emissions. 🔧 Transmission Standard Transmission Options: The manual covers engines that were typically paired with both manual and automatic transmissions. Specific transmission types (e.g., F5M33, W5MG1, KM148 for manual; F4A33, V4A51 for automatic) would vary by vehicle model and year, and are detailed within the manual's respective vehicle sections. Optional Transmission Options: See 'standard' attribute. Features AWD Systems: Many vehicles utilizing these engines were equipped with Mitsubishi's All-Wheel Drive (AWD) systems, particularly in performance variants like the Lancer Evolution. The manual provides relevant torque specifications and driveline considerations where they interface with the engine. 📐 Dimensions Exterior Vehicle Models Covered: The 4G6 series engines were used in a wide array of Mitsubishi vehicles including, but not limited to, Lancer, Eclipse, Galant, Outlander, and Mirage. Specific dimensions would vary greatly by model and are not a primary focus of this engine-specific manual. Weights Engine Weight: Approximate dry weight varies by configuration, but typically ranges from 150-200 kg (330-440 lbs). 🛡️ Safety Features Ratings Vehicle Safety Ratings: Safety ratings are vehicle-specific and not directly covered by this engine manual. However, proper engine maintenance is critical for vehicle safety systems that rely on engine operation (e.g., power steering assist). Active Features Engine Control Impact: The manual covers systems that contribute to engine performance and reliability, indirectly impacting active safety features like traction control or stability control which depend on predictable engine output. 💡 Technology Features Infotainment Vehicle Infotainment: Infotainment systems are vehicle-specific and not directly covered by this engine manual. Driver Assistance Engine Control Impact: Engine management system directly influences the operation of driver assistance features like cruise control. The manual provides technical...