Engine:
        
        
            V6 (Ecotec) and V8 (Gen III LS1) engine mechanicals, including disassembly, assembly, diagnosis, and overhaul.
        
     
    
        
            Fuel System:
        
        
            Fuel injection system, fuel pump, injectors, fuel pressure regulator, evaporative emission control.
        
     
    
        
            Ignition System:
        
        
            Ignition coils, spark plugs, control modules, timing.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, cooling fan, hoses, coolant specifications.
        
     
    
        
            Exhaust System:
        
        
            Exhaust manifolds, catalytic converters, mufflers, pipes, emissions control.
        
     
    
        
            Transmission:
        
        
            Automatic (e.g., 4L60-E, 4L65-E, 4HP24, 5HP30) and Manual (e.g., T5, T56) transmission repair, rebuild, fluid specifications, and diagnosis.
        
     
    
        
            Drivetrain:
        
        
            Driveshafts, universal joints, rear axle assembly, differentials, CV joints (if applicable).
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel alignment specifications.
        
     
    
        
            Steering:
        
        
            Power steering system, steering rack, steering column, pump, fluid specifications.
        
     
    
        
            Braking System:
        
        
            Front and rear brakes (discs, pads, calipers, master cylinder, ABS), brake fluid specifications, bleeding procedures.
        
     
    
        
            Wheels And Tires:
        
        
            Wheel specifications, tire size recommendations, rotation, balancing, bolt patterns.
        
     
    
        
            Electrical System:
        
        
            Complete wiring diagrams, fuses, relays, battery, alternator, starter motor, lighting, power windows, central locking, and diagnostic procedures.
        
     
    
        
            Bodywork And Chassis:
        
        
            Body panel removal/installation, door mechanisms, interior trim, glass, weatherstripping, structural components.
        
     
    
        
            HVAC:
        
        
            Air conditioning system, heater, ventilation, climate control system diagnosis and repair.
        
     
    
        
            Safety Systems:
        
        
            Airbag system (SRS), seat belt mechanisms, ABS operation and diagnosis.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, spark plug changes, fluid level checks, belt replacements.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic fault codes, symptom-based troubleshooting guides for all major systems.
        
     
    
        
            Repair:
        
        
            Step-by-step repair instructions for virtually all mechanical and electrical components.
        
     
    
        
            Rebuild:
        
        
            Engine and transmission rebuilding procedures, including torque specifications and assembly sequences.
        
     
    
        
            Diagnostics:
        
        
            Detailed diagnostic procedures, including use of diagnostic tools and interpretation of sensor data.
        
     
    
        
            Adjustment:
        
        
            Adjustments for brakes, clutch, parking brake, and other mechanical systems.
        
     
    
        
            Disassembly Assembly:
        
        
            Comprehensive instructions for dismantling and reassembling all major vehicle components.
        
     
    
    
        
            Depth Of Coverage:
        
        
            Complete workshop level, suitable for professional mechanics and advanced DIY enthusiasts. Covers everything from routine maintenance to full engine/transmission rebuilds and complex electrical diagnostics.
        
     
    
        
            Diagrams Illustrations:
        
        
            Detailed step-by-step diagrams, exploded views, and wiring schematics for clarity and ease of use.
        
     
 
    
    
    
        
            Common Engines V6:
        
        
            3.8L Ecotec L36 (Naturally Aspirated), 3.8L Ecotec L67 (Supercharged)
        
     
    
        
            Common Engines V8:
        
        
            5.7L Gen III LS1 V8
        
     
    
    
        
            V6 Ecotec L36 Power Output:
        
        
            Approx. 150-170 kW (190-230 hp) depending on year and specific tune.
        
     
    
        
            V6 Ecotec L67 Supercharged Power Output:
        
        
            Approx. 170-180 kW (230-240 hp).
        
     
    
        
            Ls1 V8 Power Output:
        
        
            Approx. 225-250 kW (300-335 hp) depending on year and specific tune.
        
     
    
    
        
            Injection Type:
        
        
            Multi-point Fuel Injection (MPFI) for V6, Sequential Fuel Injection (SFI) for V8.
        
     
    
    
        
            Recommended Fuel:
        
        
            Unleaded Petrol (Octane rating as per owner's manual, typically 91 RON or higher).
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 10,000 - 15,000 km or 6-12 months, depending on driving conditions and oil type used (refer to manual for specifics).
        
     
    
        
            Major Service Points:
        
        
            Spark plugs (e.g., 40,000-60,000 km), coolant flush (e.g., 40,000-60,000 km), transmission fluid service (e.g., 60,000-100,000 km).
        
     
    
    
        
            Engine Oil Capacity V6:
        
        
            Approx. 4.5-5.0 litres (with filter), check specific engine variant. Recommended oil: 5W-30 or 5W-40 synthetic blend/full synthetic.
        
     
    
        
            Engine Oil Capacity V8:
        
        
            Approx. 5.7 litres (with filter), check specific engine variant. Recommended oil: 5W-30 or 5W-40 synthetic blend/full synthetic.
        
     
    
        
            Coolant Capacity:
        
        
            Approx. 10-12 litres. Recommended coolant: GM-specified Long Life Coolant (or equivalent silicate-free OAT coolant).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 (check manual for exact specification and suitability).
        
     
    
    
        
            Common V6 Issues:
        
        
            Head gasket leaks (especially on earlier L36), intake manifold gasket leaks, supercharger belt issues (L67), ignition coil pack failures.
        
     
    
        
            Common V8 Issues:
        
        
            Oil leaks (rear main seal, sump gasket), intake manifold gasket leaks (common on early LS1), coolant leaks (water pump, hoses), PCV system issues.
        
     
    
        
            Common Transmission Issues:
        
        
            4L60-E / 4L65-E: Torque converter shudder, clutch pack wear, solenoid issues. T56: Gear synchro wear, clutch issues.
        
     
    
        
            Common Suspension Issues:
        
        
            Worn ball joints, control arm bushings, strut top mounts, power steering rack leaks.
        
     
    
        
            Common Electrical Issues:
        
        
            Window regulator failures, central locking issues, dashboard warning light malfunctions, sensor failures (e.g., ABS sensors, crank angle sensors).
        
     
 
    
    
    
        
            Holden Legacy:
        
        
            Holden has a long and storied history in Australian automotive manufacturing, with the Commodore being its flagship model for decades, representing Australian automotive engineering and performance.
        
     
    
    
        
            Vt Series:
        
        
            Introduced in 1997, the VT was a significant redesign, based on GM's global V-body platform. It offered improved aerodynamics, safety, and refinement.
        
     
    
        
            Vx Series:
        
        
            Launched in 2000, the VX was a facelift of the VT, with updated styling, improved interior features, and minor mechanical revisions.
        
     
    
        
            Vu Ute:
        
        
            The VU ute (2000-2002) was the first Commodore-based ute, offering a blend of car-like comfort with utility, based on the VT/VX sedan chassis.
        
     
    
        
            Vy Series Ii:
        
        
            The VY Series II (late 2003-2004) was a significant update to the VY, featuring refreshed styling, updated interiors, and further mechanical refinements, including an evolution of the V8 and improved Ecotec V6 performance.
        
     
    
    
        
            Manufacturing Location:
        
        
            Elizabeth, South Australia, Australia.