This manual covers the Holden Commodore, a popular Australian-manufactured vehicle known for its robust engineering and comfortable ride. Equipped with a 3.8L V6 engine, this model, prominent from the VT series (1997) through the VZ series (2006), offers a blend of performance and practicality, making it a capable choice for families and enthusiasts alike. The 3.8L V6, often designated as the L36, is a naturally aspirated, overhead valve engine that provided reliable power and torque, contributing to the Commodore's strong market reputation. This comprehensive factory service manual provides detailed information essential for the maintenance, diagnosis, and repair of the Holden Commodore's 3.8L V6 engine. It encompasses engine mechanical procedures, fuel and ignition systems, cooling, lubrication, and emission control systems. Within its extensive coverage, you will find step-by-step repair instructions, troubleshooting guides for common issues, and precise technical specifications including clearances, torque values, and fluid requirements. This manual is an invaluable resource for professional mechanics and DIY owners aiming to preserve the integrity and optimize the performance of their vehicle. 🏷️ Basic Information Identification Make: Holden Model: Commodore Engine Variant: 3.8L V6 Codes Engine Code: 3800 / L36 (common for this era) 👋 Introduction Market Position Target Audience: Professional mechanics, DIY enthusiasts, Holden owners requiring in-depth engine knowledge Competitive Analysis Value Proposition: Provides factory-level detail for comprehensive engine maintenance and repair, crucial for preserving vehicle integrity and performance. Key Features Completeness: Covers all aspects of the 3.8L V6 engine, offering a single source for all related technical information. 📋 Manual Details Coverage Areas Service Focus: Engine Service and Repair Page Count Estimated Pages: High (likely 500+ pages based on typical factory manuals) Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Full disassembly, inspection, repair, and reassembly of engine components (cylinder heads, block, pistons, crankshaft, camshafts, timing system, etc.) Fuel System: Fuel injection system, fuel pump, injectors, pressure regulator, fuel lines, evaporative emissions control Ignition System: Ignition coils, spark plugs, wiring, crank angle sensor, ignition module Cooling System: Radiator, water pump, thermostat, hoses, coolant specifications, cooling fan operation Lubrication System: Oil pump, oil filter, oil passages, oil pressure specifications, oil type Emission Control: Exhaust gas recirculation (EGR), catalytic converter, oxygen sensors, vacuum routing Procedures Included Maintenance: Routine servicing, oil changes, filter replacements, spark plug replacement, coolant flushes Troubleshooting: Diagnostic procedures for common engine performance issues, fault code interpretation (if applicable for the specific era), symptom-based diagnostics Repair: Step-by-step repair instructions for all engine sub-systems, including torque specifications, assembly sequences, and special tool requirements Rebuilding: Comprehensive engine rebuilding procedures, including honing, piston ring installation, bearing clearances, and valve seating Technical Depth Diagnostic Capabilities: Detailed diagnostic flowcharts and explanations for engine-related faults Specifications: Extensive technical specifications including clearances, tolerances, torque values, and electrical parameters Special Tools: Identification and usage of specialized tools required for specific engine repairs 📊 Manual Specifications File Format File Quality: High resolution, searchable PDF (typical for factory-derived manuals) Print Capability: Printable pages Binding Type Binding: Not applicable (digital download) Paper Type Paper: Not applicable (digital download) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V6 Displacement: 3.8 Liters (231 cubic inches) Bore X Stroke: 96.5 mm x 86.5 mm (approximate, subject to specific L36 variant) Compression Ratio: 8.5:1 to 9.4:1 (depending on specific engine tune and year) Valve Train: Overhead Valve (OHV), 2 valves per cylinder (total 12) Block Material: Cast Iron Head Material: Aluminum Performance Horsepower Range: 175-205 hp (approximate, depending on model year and configuration) Torque Range: 200-230 lb-ft (approximate, depending on model year and configuration) Fuel System Induction: Multi-port Fuel Injection (MPFI) Fuel Type: Unleaded Gasoline Fuel Pump Type: In-tank electric 🔧 Transmission Standard Transmission Type Std: Automatic (e.g., 4-speed 4L60-E) Optional Transmission Type Opt: Manual (e.g., 5-speed Getrag or T5) Features Transmission Fluid Type: Dexron-III (or equivalent, e.g., ACDelco DEXTRON-III Automatic Transmission Fluid) 📐 Dimensions Exterior Body Styles: Sedan, Wagon, Ute (Coupe utility, depending on generation) Wheelbase: Varies by generation (e.g., 2730 mm for VT/VX/VY/VZ) Weights Curb Weight: Varies by body style and options (e.g., 1500-1700 kg) 🛡️ Safety Features Ratings Ancap Rating Era Dependent: Variable based on year and specific safety features equipped. Early models may have lower ratings. Active Features ABS: Available, often standard on higher trims or later models. Passive Features Airbags: Driver and passenger airbags typically available, with side airbags on later models or higher trims. 💡 Technology Features Infotainment Infotainment Systems: Varies by trim and year; could include cassette/CD players, basic radio, optional premium sound systems. Driver Assistance Traction Control: Available on some models/trims. Cruise Control: Standard on most models. Connectivity Auxiliary Inputs: Rare for early models, may have aftermarket options available. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 km or 6 months, whichever comes first (refer to manual for precise OEM recommendation). Spark...