🏷️ Basic Information Identification Make: Proton Model: Wira / Persona Model Variant: Wira / Persona Product Name: Proton Wira Persona Engine Complete Workshop Service Repair Manual Codes Chassis Codes: C90 (based on Mitsubishi Lancer CB) Engine Codes Covered: 4G13, 4G15 (referring to Mitsubishi Saturn series engines commonly used) 👋 Introduction Market Position Target Audience: DIY car owners, independent workshops, and automotive technicians seeking detailed repair information for Proton Wira/Persona vehicles. Competitive Analysis Advantage: Provides comprehensive, step-by-step guidance specifically for the Wira/Persona engine, enabling cost savings on repairs and maintenance compared to dealership services. Key Features Instructional Style: Easy-to-follow, step-by-step instructions with accompanying pictures for clarity. Long Term Access: Downloadable and permanent ownership for continuous use. 📋 Manual Details Coverage Areas Overall Coverage: Complete Workshop Service Repair for Engine and related systems. Page Count Estimated Page Count: High (Detailed step-by-step instructions with pictures imply substantial content, typically 500+ pages for a complete engine manual). Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, overhaul, cylinder head, block, crankshaft, connecting rods, pistons, camshafts, valves, timing belt/chain, lubrication system. Fuel System: Fuel injection system (MPI), fuel pump, injectors, fuel pressure regulator, throttle body, fuel filter. Ignition System: Spark plugs, ignition coils, distributor (if applicable), ECU control. Cooling System: Radiator, water pump, thermostat, coolant hoses, cooling fan. Exhaust System: Exhaust manifolds, catalytic converter, mufflers, oxygen sensors (related to engine management). Emission Control: EGR system (if equipped), EVAP system (related to fuel vapors). Engine Management System: ECU operation, sensors (MAP, TPS, O2, ECT, CKP, CMP), actuators, diagnostic trouble codes (DTCs). Procedures Included Routine Maintenance: Oil and filter changes, spark plug replacement, air filter replacement, coolant checks and flushes, belt inspections and replacement. Troubleshooting: Diagnostic procedures for common engine faults, starting problems, performance issues, misfires, and noise diagnosis. Repair And Rebuild: Detailed step-by-step instructions for engine overhaul, component replacement (e.g., head gasket, pistons, bearings), timing belt replacement. Component Testing: Testing of ignition system components, fuel injectors, sensors, and actuators using multimeter and specialized tools. Torque Specifications: All critical engine fasteners with precise torque values for assembly and reassembly. Clearances And Tolerances: Specifications for piston ring gap, connecting rod bearing clearance, main bearing clearance, valve lash (if adjustable). Technical Depth Depth Of Information: Comprehensive: Covers everything from basic maintenance to full engine rebuilds, including diagnostic procedures and technical specifications. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Printable: Yes, printable in full or in sections. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Software Requirements Required Software: Adobe Reader (freely downloadable). Accessibility Device Compatibility: Compatible with all PC & MAC computers, tablets, and smartphones. ⚙️ Engine Specifications Primary Engine Engine Family: Mitsubishi 4G series (e.g., 4G13, 4G15 - Saturn series). Engine Type: Inline 4-cylinder, SOHC or DOHC (depending on specific application). Performance Displacement 4G13: 1.3 Liters (1300 cc) Displacement 4G15: 1.5 Liters (1500 cc) Horsepower Range: Approx. 70-90 HP (varies by engine variant and market). Torque Range: Approx. 100-130 Nm (varies by engine variant and market). Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPI). Fuel Type: Unleaded Gasoline. Ignition System Ignition Control: Electronic Ignition System (EIS) with Engine Control Unit (ECU). Lubrication System Oil Type Specification: API SG or higher, SAE 10W-30 or 10W-40 (refer to specific manual for precise recommendation). Cooling System Coolant Type: Ethylene Glycol based coolant (50/50 mix with distilled water recommended). 🔧 Transmission Standard Transmission Type Standard: 5-speed Manual Transmission. Optional Transmission Type Optional: 4-speed Automatic Transmission. Features Transmission Fluid Manual: API GL-4, SAE 75W-90 Gear Oil (for manual transmission). Transmission Fluid Automatic: Dexron III (or equivalent ATF) for automatic transmission. 📐 Dimensions Exterior Body Styles: 4-door Sedan, 5-door Hatchback. Weights Curb Weight Range: Approximately 1050-1150 kg (depending on engine and transmission). 🛡️ Safety Features Ratings Safety Standards Compliance: Designed to meet Malaysian automotive safety standards of the period. (Note: International safety rating data may vary or not be readily available for this model's specific market variants). Active Features Braking System: Front: Ventilated Disc Brakes. Rear: Drum Brakes (or Disc Brakes on higher trims/later models). Passive Features Airbags: Driver airbag standard on many models, passenger airbag optional or standard on higher trims/later years. Seatbelts: 3-point inertia-reel seatbelts with pre-tensioners (driver). 💡 Technology Features Infotainment Original Infotainment: Basic AM/FM radio, cassette player, or CD player depending on trim level and year. Typically 2 or 4 speakers. Driver Assistance Early Driver Assistance: Limited. ABS typically available on higher trims or as an option. Power steering common. Connectivity Original Connectivity: Minimal to none by modern standards. Primarily focused on vehicle operation. 🔧 Maintenance Service Intervals Engine Oil And Filter: Every 5,000 km or 6 months, whichever comes first. Air Filter: Every 15,000-20,000 km or annually. Fuel Filter: Every 30,000-40,000...