Engine Service Repair:
        
        
            Comprehensive engine overhaul, diagnostics, and repair.
        
     
    
        
            Transmission Service Repair:
        
        
            Manual and automatic transmission service, repair, and overhaul procedures.
        
     
    
        
            Brake System:
        
        
            Disc and drum brake system service, hydraulic components, and ABS (if applicable).
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed electrical wiring schematics for all vehicle systems.
        
     
    
        
            Electrical System:
        
        
            Component testing, troubleshooting, and repair of lighting, ignition, starting, charging, and accessory circuits.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, alignment, and repair.
        
     
    
        
            Steering:
        
        
            Power steering system service, repair, and alignment.
        
     
    
        
            Cooling System:
        
        
            Radiator, thermostat, water pump, and fan system service and repair.
        
     
    
        
            Fuel Injection:
        
        
            Fuel injection system diagnostics, component replacement, and calibration.
        
     
    
        
            Fuel System:
        
        
            Fuel pump, filter, lines, and tank service.
        
     
    
        
            Emission System:
        
        
            Emission control devices, catalytic converter, and related components.
        
     
    
        
            Heater Air Conditioning:
        
        
            HVAC system service, refrigerant handling, and component repair.
        
     
    
        
            Engine Control System:
        
        
            ECU diagnostics, sensor testing, and electronic control unit (ECU) information.
        
     
    
        
            Chassis Body:
        
        
            Body panel repair, structural components, and chassis diagnostics.
        
     
    
        
            Restraint System:
        
        
            Airbag system diagnostics and seatbelt service.
        
     
    
        
            Interior:
        
        
            Trim removal and installation, dashboard, and interior component service.
        
     
    
        
            Differential Drive:
        
        
            Front and rear differential service and repair, including AWD systems if applicable.
        
     
    
        
            Axle:
        
        
            Drive axle and CV joint service and replacement.
        
     
    
        
            General Maintenance:
        
        
            Routine maintenance procedures, fluid changes, and inspections.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and complex vehicle issues.
        
     
    
        
            Periodic Lubrication:
        
        
            Lubrication points and recommended service intervals.
        
     
    
    
        
            Repair Procedures:
        
        
            Step-by-step repair instructions for all major vehicle systems.
        
     
    
        
            Diagnostic Procedures:
        
        
            Troubleshooting guides and diagnostic flowcharts.
        
     
    
        
            Component Replacement:
        
        
            Detailed instructions for replacing various vehicle components.
        
     
    
        
            Adjustment Procedures:
        
        
            Procedures for adjusting brakes, clutches, and other mechanisms.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to full engine and transmission rebuilds.
        
     
 
    
    
    
        
            Engine Options 1990-2000:
        
        
            Varies by model and year. Common engines include 1.5L, 1.6L, 1.8L, 2.0L 4-cylinder, and 3.0L V6 (e.g., 6G72).
        
     
    
    
        
            Horsepower Torque:
        
        
            Specific figures vary greatly by engine. Refer to manual for detailed specifications per engine variant.
        
     
    
    
        
            Fuel Delivery:
        
        
            Multi-point Fuel Injection (MPI) or Gasoline Direct Injection (GDI) depending on engine and year.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically 3,000-5,000 miles or 3-6 months. Refer to manual for specific engine and oil type.
        
     
    
        
            Timing Belt Replacement:
        
        
            For many Mitsubishi engines of this era (e.g., 4G63, 6G72), timing belt replacement is crucial, typically around 60,000-90,000 miles or 5-7 years. Consult manual for exact interval.
        
     
    
    
        
            Engine Oil Type:
        
        
            Viscosity grades like 5W-30, 10W-30, or 10W-40 are common. Refer to manual for specific API service classification and temperature range.
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol based coolant. Manual will specify the correct type and mixture ratio.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid, depending on the specific vehicle and braking system.
        
     
    
    
        
            Engine Issues:
        
        
            Head gasket leaks, oil consumption, and timing belt failure are potential concerns. EGR valve issues can also occur.
        
     
    
        
            Transmission Issues:
        
        
            Automatic transmission hard shifting or slipping can be an issue. Manual transmissions are generally robust.
        
     
    
        
            Electrical Issues:
        
        
            Corrosion on electrical connectors, power window motor failure, and headlight switch issues are reported.
        
     
    
        
            Suspension Issues:
        
        
            Worn control arm bushings, ball joints, and strut mounts are common wear items.
        
     
    
        
            Body Corrosion:
        
        
            Rust and corrosion, particularly in areas prone to road salt, can affect body panels and undercarriage.
        
     
 
    
    
    
        
            Mitsubishi Legacy:
        
        
            Mitsubishi has a long history in automotive manufacturing, known for reliable and sometimes innovative vehicles.
        
     
    
    
        
            Galant History:
        
        
            The Galant evolved through several generations during this period, showcasing advancements in styling, technology, and performance, including the sporty VR-4 variants.
        
     
    
        
            Mirage History:
        
        
            The Mirage was known as a compact and economical vehicle, offering various body styles including sedans and hatchbacks. Later models were based on shared platforms with Chrysler.
        
     
    
        
            Diamante History:
        
        
            The Diamante served as Mitsubishi's flagship sedan, emphasizing luxury and comfort, often sharing platforms with the Galant.
        
     
    
    
        
            Manufacturing Locations:
        
        
            Primarily Japan, with some models potentially assembled in other global locations.