Engine Mechanical:
        
        
            Engine assembly, disassembly, cylinder heads, crankshaft, pistons, connecting rods, camshafts, timing systems, lubrication, cooling.
        
     
    
        
            Engine Management:
        
        
            Fuel injection systems, ignition systems, emissions control, engine control module (ECM) diagnostics, sensors, actuators.
        
     
    
        
            Transmission:
        
        
            Automatic transmission (e.g., 4L60E, 4L65E, 5L40E, 6L80E), manual transmission (if applicable), clutch, torque converter, transmission control module (TCM).
        
     
    
        
            Drivetrain:
        
        
            Driveshafts, differentials, axles, CV joints, wheel bearings.
        
     
    
    
        
            Suspension Steering:
        
        
            Front and rear suspension systems, shock absorbers, springs, control arms, bushings, steering gear, power steering system, alignment specifications.
        
     
    
    
        
            Brakes:
        
        
            Front and rear brake systems (disc brakes), ABS, EBD, brake fluid specifications, hydraulic components, parking brake.
        
     
    
    
        
            Electrical Charging:
        
        
            Battery, alternator, starter motor, charging system diagnostics.
        
     
    
        
            Electrical Lighting:
        
        
            Headlights, taillights, interior lighting, fog lights, electrical schematics.
        
     
    
        
            Electrical Accessories:
        
        
            Power windows, power locks, mirrors, wipers, horn, infotainment system wiring.
        
     
    
        
            Body Electronics:
        
        
            Body Control Module (BCM), instrument cluster, airbag system (SRS), comfort features.
        
     
    
    
        
            HVAC:
        
        
            Air conditioning system, heating system, ventilation, blower motor, refrigerant, cabin filter replacement.
        
     
    
    
        
            Body Panels:
        
        
            Body panel removal and installation, door mechanisms, trunk lid, hood.
        
     
    
        
            Interior Trim:
        
        
            Interior trim panel removal and installation, seating systems, dashboard assembly.
        
     
    
    
        
            Scheduled Maintenance:
        
        
            Oil changes, filter replacements, fluid checks and top-offs, belt inspections, spark plug replacement, brake pad inspection, tire rotation.
        
     
    
        
            Engine Repair:
        
        
            Complete engine rebuild procedures, cylinder head gasket replacement, piston ring replacement, bearing replacement, valve servicing.
        
     
    
        
            Transmission Repair:
        
        
            Transmission fluid and filter change, torque converter replacement, valve body diagnosis and repair, seal replacement.
        
     
    
        
            Brake Service:
        
        
            Brake pad and rotor replacement, caliper servicing, bleeding the brake system, ABS component testing.
        
     
    
        
            Suspension Steering Repair:
        
        
            Shock absorber and strut replacement, control arm bushing replacement, power steering pump replacement, tie rod end replacement.
        
     
    
        
            Electrical Diagnostics:
        
        
            Troubleshooting wiring issues, diagnostic trouble code (DTC) interpretation, sensor testing, actuator testing, multimeter usage.
        
     
    
        
            HVAC Service:
        
        
            Refrigerant system evacuation and recharge, component replacement (compressor, evaporator, condenser), leak detection.
        
     
    
        
            Body Repair:
        
        
            Door hinge adjustment, lock mechanism repair, window regulator replacement, panel alignment.
        
     
    
        
            Troubleshooting Guides:
        
        
            Systematic diagnostic flowcharts for common and uncommon problems.
        
     
    
    
        
            Diagnostic Capability:
        
        
            Advanced diagnostics using specialized tools and interpretation of sensor data.
        
     
    
        
            Rebuild Procedures:
        
        
            Detailed instructions for complete engine and transmission rebuilds.
        
     
    
        
            Schematics Diagrams:
        
        
            Comprehensive electrical wiring diagrams and system schematics.
        
     
    
        
            Torque Specifications:
        
        
            Precise torque values for all critical fasteners.
        
     
    
        
            Tolerances Clearances:
        
        
            Specifications for internal engine and transmission component clearances.
        
     
    
        
            Special Tools:
        
        
            Identification and usage of required specialized tools for specific repair procedures.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically 10,000 km or 6-12 months, whichever comes first (refer to manual for specific engine variant).
        
     
    
        
            Major Service Interval:
        
        
            Refer to manual for specific checks at 40,000km, 80,000km, 120,000km etc. (e.g., spark plugs, coolant, transmission fluid).
        
     
    
    
        
            Engine Oil Spec:
        
        
            API SN/SM or ACEA A3/B4, SAE 5W-30 or 10W-30 (depending on engine and climate, consult manual for exact specification).
        
     
    
        
            Coolant Spec:
        
        
            GM-spec Dex-Cool (Orange) or equivalent OAT coolant, 50/50 mix with deionized water.
        
     
    
        
            Transmission Fluid Spec:
        
        
            Dexron VI for 6-speed autos, Dexron III/VI for earlier autos. Check manual for specific transmission.
        
     
    
    
    
        
            Common Issues:
        
        
            Vibrations from driveshaft/tailshaft, worn suspension bushings, minor electrical gremlins, transmission shift quality issues (early models), intake manifold gasket leaks (some V6 variants).