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.