Engine Mechanical:
        
        
            Engine overhaul, cylinder head, pistons, connecting rods, crankshaft, lubrication system, cooling system, timing belt/chain, internal components.
        
     
    
        
            Engine Performance:
        
        
            Fuel injection system, ignition system, emission control systems (catalytic converter, EGR), engine diagnostics, performance tuning.
        
     
    
        
            Transmission Manual:
        
        
            Clutch system, gearbox overhaul, gear shifting mechanisms, maintenance, repair.
        
     
    
        
            Transmission Automatic:
        
        
            Automatic transmission operation, overhaul, fluid checks and changes, torque converter, electronic controls (if applicable).
        
     
    
        
            Drivetrain:
        
        
            Front-wheel drive system, CV axles, differential, driveshafts, wheel bearings.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, shock absorbers, struts, coil springs, control arms, bushings, alignment procedures.
        
     
    
        
            Steering:
        
        
            Power steering system, steering rack, tie rod ends, steering column, alignment.
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems (disc/drum), hydraulic components, ABS (if equipped), brake fluid specifications, bleeding procedures, component replacement.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, fuses, relays, lighting system, starting system, charging system, battery, power windows, locks, wipers, horn.
        
     
    
        
            HVAC:
        
        
            Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant, blower motor, climate controls, diagnosis.
        
     
    
        
            Body And Interior:
        
        
            Body panel removal and installation, interior trim, seats, doors, windows, sunroof, corrosion protection, paint codes.
        
     
    
        
            Chassis And Frame:
        
        
            Frame construction, unibody structure, rust repair, chassis components.
        
     
    
        
            Diagnostic Troubleshooting:
        
        
            Systematic diagnostic procedures, symptom-based troubleshooting charts, fault code interpretation (OBD-I).
        
     
    
    
        
            Scheduled Maintenance:
        
        
            Oil changes, filter replacements, tune-ups, fluid flushes, belt inspections and replacements, tire rotations.
        
     
    
        
            Component Replacement:
        
        
            Step-by-step guides for replacing all major and minor components across all vehicle systems.
        
     
    
        
            Engine Rebuild:
        
        
            Detailed instructions for complete engine disassembly, inspection, measurement, and reassembly.
        
     
    
        
            Transmission Overhaul:
        
        
            Comprehensive guides for the complete rebuilding of both manual and automatic transmissions.
        
     
    
        
            Brake System Repair:
        
        
            Pad/shoe replacement, rotor/drum service, caliper/wheel cylinder repair, hydraulic line replacement, brake bleeding.
        
     
    
        
            Suspension And Steering Repair:
        
        
            Replacement of struts, shocks, control arms, tie rods, ball joints, power steering pump/rack.
        
     
    
        
            Electrical Diagnostics:
        
        
            Troubleshooting electrical issues using wiring diagrams, component testing, and common fault identification.
        
     
    
        
            Bodywork And Paint:
        
        
            Minor body repair, panel alignment, rust mitigation, paint code identification.
        
     
    
        
            Troubleshooting Guides:
        
        
            Specific guides for diagnosing and resolving common and uncommon vehicle problems.
        
     
    
    
        
            Depth:
        
        
            In-depth diagnostic procedures, component specifications, tolerances, and torque values. Suitable for professional technicians and advanced DIYers.
        
     
    
        
            Detail Level:
        
        
            Detailed step-by-step instructions with clear diagrams and illustrations.
        
     
    
        
            Diagnostic Tools:
        
        
            Information for using basic diagnostic tools and understanding OBD-I codes specific to the 1991 model year.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 5,000 - 7,500 miles or 6 months (refer to manual for exact spec)
        
     
    
        
            Engine Oil Type:
        
        
            10W-30 or 10W-40 API SG or higher (refer to manual)
        
     
    
        
            Oil Filter Part Number Example:
        
        
            Mazda genuine: B601-14-302; Aftermarket: Fram PH5796, Wix 51515 (verify fitment)
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based, typically green (Mazda FL22 may be backward compatible, but check manual)
        
     
    
        
            Coolant Capacity Approx:
        
        
            6.0 - 6.5 Liters
        
     
    
    
    
        
            Power Steering Fluid Type:
        
        
            ATF Dexron-II/III or specific Mazda fluid (refer to manual)
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch, CV axles, strut mounts, exhaust system, interior plastics, O2 sensors, fuel injectors.
        
     
    
        
            Rust Prone Areas:
        
        
            Wheel wells, rocker panels, rear quarter panels, undercarriage.
        
     
    
        
            Engine Specific Concerns:
        
        
            Timing belt tensioner noise, oil leaks from seals, carbon buildup in advanced models.