🏷️ Basic Information Identification Make: Holden Model: Commodore Generation Code: WH Body Style: Sedan, Station Wagon (Wagon variants commonly known as Berlina or Calais wagons) Codes Platform: GM (VT/VS/WH derived) 👋 Introduction Market Position Segment: Large family car / Executive sedan and wagon Competitive Analysis Competitors: Ford Falcon (AU/BA), Toyota Avalon, Mitsubishi Magna, Nissan Maxima Key Features Unique Selling Points: Rear-wheel drive platform, V6 and V8 engine options, comfortable ride, spacious interior Value Proposition Manual Benefit: Empowers owners and independent mechanics to perform maintenance and repairs accurately, saving costs and ensuring vehicle longevity. 📋 Manual Details Coverage Areas Language: English Format: PDF Download Compatibility: All Versions of Windows & Mac Reader Requirement: Adobe PDF Reader Page Count Estimated Page Count: Approximately 1500-2000+ pages (typical for comprehensive factory service manuals) Manual Type Type: Factory Service Repair Manual 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain (rear-wheel drive) Chassis: Suspension (Independent Rear Suspension), Steering, Brakes (ABS, disc brakes) Electrical: Full electrical system diagrams, lighting, ignition, starting, charging, sensors, ECUs Body: Exterior and interior trim, body panels, glass, doors, seats Comfort And Convenience: HVAC, power accessories (windows, locks, mirrors), audio systems, cruise control Safety Systems: Airbags, seatbelt systems, ABS Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication Diagnostics: Troubleshooting guides, fault code interpretation, diagnostic procedures for all systems Repair: Component removal and installation, sub-assembly repair, detailed step-by-step instructions Adjustment: Wheel alignment, brake adjustment, clutch adjustment (if applicable) Rebuilding: Engine, transmission, and differential rebuilding procedures Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission overhauls Information Source: Factory original data, ensuring accuracy and completeness Diagrams: Detailed wiring diagrams, exploded view diagrams, and schematics 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text for quick information retrieval Zoom Capability: High resolution allowing for significant zoom for detailed views Print Quality Quality: High-resolution digital scan, clear and legible text and diagrams Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: L36 (3.8L V6 Ecotec) Displacement Liters: 3.8 Configuration: V6 Aspirated: Naturally Aspirated Fuel Type: Unleaded Petrol Performance Horsepower Kw: Approx. 150-170 kW (depending on variant) Torque Nm: Approx. 305-325 Nm (depending on variant) Fuel System Injection Type: Multi-point Fuel Injection (MPFI) Ignition System: Distributorless Ignition System (DIS) Optional Engine Engine Code: LS1 (5.7L V8) Displacement Liters: 5.7 Configuration: V8 Aspirated: Naturally Aspirated Horsepower Kw: Approx. 225 kW Torque Nm: Approx. 445 Nm 🔧 Transmission Standard Transmission Type: 4-speed Automatic (4L60-E/4L65-E GM derivative) Optional Transmission Type: 4-speed Manual (M30/M83 4-speed manual, less common) Features Automatic Modes: Power/Economy modes (Sport/Comfort) Fluid Specification Automatic Transmission Fluid: Dexron III or equivalent (e.g., Dexron VI is often backward compatible and recommended) 📐 Dimensions Exterior Wheelbase Mm: Approx. 2777 Length Mm: Approx. 4946 (Sedan), 4983 (Wagon) Width Mm: Approx. 1790 Height Mm: Approx. 1435 (Sedan), 1471 (Wagon) Weights Curb Weight Kg: Approx. 1550-1700 kg (depending on engine and options) Gross Vehicle Weight Rating Kg: Approx. 2000-2200 kg 🛡️ Safety Features Ratings Ancap Rating: Not specifically rated under current ANCAP protocols; based on VT Commodore, likely 3-4 stars equivalent. Active Features Brake Assist: Available on higher trims Traction Control: Available on some models Anti Lock Braking System: Standard on most models Passive Features Airbags: Driver and front passenger airbags standard, side airbags optional on some models Seatbelts: Pre-tensioning front seatbelts 💡 Technology Features Infotainment Audio System: Factory fitted CD player or cassette/radio unit, some higher trims had premium sound systems. Climate Control: Manual or Electronic Climate Control (ECC) on higher trims. Driver Assistance Cruise Control: Standard on most models Connectivity Early Connectivity: Limited to basic audio inputs, no Bluetooth or USB connectivity in original factory state. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 km or 6 months, whichever comes first (check manual for specifics) Major Service Interval: Often around 40,000-60,000 km for spark plug replacement, transmission fluid changes, etc. Fluid Specifications Engine Oil Type: SAE 10W-30 or 10W-40 (API SG or higher) - check manual for precise API rating Coolant Type: Ethylene Glycol based coolant, GM specified (e.g., orange or pink) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common Problems: Transmission cooler line leaks (especially in early models), front end component wear (bushings, ball joints), occasional Ecotec V6 intake manifold gasket leaks, electric window regulator failures. Performance Considerations: Early Ecotec V6 engines could be prone to sludge if oil changes were neglected. LS1 V8 requires specific servicing for optimal performance and longevity. 📚 Vehicle History Brand Heritage Holden Legacy: Holden is an iconic Australian automotive manufacturer with a long history of producing vehicles tailored for Australian conditions. Model Evolution Commodore Lineage: The Commodore has been Holden's flagship large car since 1978, evolving through numerous generations. The WH represents a significant facelift and refinement of the VT platform. Production Production Years:...