🏷️ Basic Information Identification Make: Holden Model: Commodore Applicable Models: Sedan, Calais, GLX, Station Wagon Generation Generation Codes: VN, VP Codes Model Codes: VN, VP 👋 Introduction Market Position Target Audience: DIY owners, independent mechanics, and professional workshops seeking detailed repair and maintenance information. Competitive Analysis Advantage: Provides a centralized, in-depth resource for a specific generation of a popular Australian vehicle, offering significant cost savings compared to dealership service. Key Features Instruction Style: Step-by-step instructions with detailed illustrations, pictures, and diagrams. Content Detail: Covers complete disassembly and reassembly procedures, making it suitable for both routine maintenance and major repairs. 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service and Repair Specific Years: 1988, 1989, 1990, 1991, 1992, 1993 Page Count Estimated Page Count: Detailed, likely several hundred pages (specific count not provided in product info) Manual Type Type: Workshop Service Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Cooling System, Lubrication System, Exhaust System, Clutch, Manual Transmission, Automatic Transmission, Rear Axle Chassis: Wheels and Tires, Suspension System, Steering System (Manual and Power), Brake System Electrical: Electrical System, Starting System, Charging System, Lighting System, Instrument Cluster, Engine Management, Cruise Control System, Emission Control Body: Body System, Heating System Specific Systems: Inlet Manifold, Exhaust Manifold, Heating System Procedures Included Maintenance: Lubrication, Fluid Changes, Filter Replacements, Tune-Up Procedures, General Maintenance Repair: Component Overhaul, System Diagnostics, Troubleshooting, Engine Rebuilding, Transmission Repair, Brake Service, Suspension Overhaul, Electrical System Repair Technical Data: Tightening Torques, Wiring Diagrams, Specifications Troubleshooting: Roadside Troubleshooting, General Troubleshooting Diagnostics: Engine Management Diagnostics, Electrical System Diagnostics Technical Drawings: Wiring Diagrams included Technical Depth Depth: Comprehensive, covering diagnostics, repair, and rebuilding procedures for all major systems, suitable for both DIY enthusiasts and professional mechanics. 📊 Manual Specifications File Format Format: PDF Compatibility: All Windows versions, All Mac versions Required Software: Adobe Acrobat Reader, WinZip/WinRAR (for extraction) Print Quality Printability: All pages are printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Configuration: 3.8L V6 (3800cc) Design: 90-Degree OHV (Overhead Valve) Displacement: 3.8 Liters (3800 cc) Performance Horsepower Range: Approximately 165-175 hp (specific output varies by tune and year, manual will detail exact figures) Torque Range: Approximately 200-210 lb-ft (specific output varies by tune and year, manual will detail exact figures) Fuel System Induction: Fuel Injection (likely Multi-Point) Fuel Type: Unleaded Petrol 🔧 Transmission Standard Type: 5-Speed Manual Manufacturer Model: Borg Warner T5 Gear Count: 5-Speed Optional Type: 4-Speed Automatic Manufacturer Model: Turbo Hydramatic 700R4 (TH700R4) Gear Count: 4-Speed Features Coverage: Detailed repair and maintenance procedures for both manual and automatic transmissions. 📐 Dimensions Exterior Body Styles: Sedan, Station Wagon Chassis Types: Independent Rear Suspension (IRS) on some models, particularly Calais. Manual covers both IRS and non-IRS rear axle setups. Weights Curb Weight Range: Approximately 1400-1600 kg (varies by body style and equipment) 🛡️ Safety Features Ratings Era Specific Ratings: Likely no formal ANCAP or equivalent ratings were widely published for this era; manual covers vehicle safety systems of the time. Active Features Coverage: Brake system (ABS may be optional on later models), steering system. Passive Features Coverage: Body structure, seatbelts, interior materials. 💡 Technology Features Infotainment Radio Options: Factory fitted AM/FM radio with cassette player. Higher trims may have premium sound systems. Manual covers basic radio/speaker system diagnostics. Driver Assistance Cruise Control: Cruise control system is covered in detail, including diagnosis and repair. Connectivity Availability: No modern connectivity features like Bluetooth or USB. Manual focuses on the vehicle's integrated electrical systems. 🔧 Maintenance Service Intervals Oil Change: Typically every 7,500-10,000 km or 6 months (manual will specify exact intervals and oil type). Transmission Fluid: Manual: Check fluid level regularly, change every 40,000-60,000 km. Automatic: Check fluid level regularly, change fluid and filter every 30,000-40,000 km (manual will specify exact intervals and fluid type). Fluid Specifications Engine Oil: Likely SAE 10W-30 or 10W-40, API SG or higher (manual will provide precise API and viscosity grades). Coolant: Ethylene glycol based coolant, typically a 50/50 mix with distilled water (manual will specify type and capacity). Brake Fluid: DOT 3 or DOT 4 (manual will specify). Transmission Fluid Manual: Likely SAE 75W-90 or 80W-90 GL-4 gear oil (manual will specify exact API and viscosity). Transmission Fluid Automatic: Dexron-III ATF (Automatic Transmission Fluid) (manual will specify). Known Issues Engine: Potential for head gasket leaks, intake manifold gasket leaks (especially on earlier 3800 models), distributor cap and rotor wear. Transmission: Manual: Clutch wear, synchro issues. Automatic: Torque converter shudder, seal leaks, potential for overheating in heavy-duty use. Suspension: Worn control arm bushes, ball joints, and shock absorbers are common with age and mileage. Electrical: Wiring loom degradation, starter motor, alternator issues, instrument cluster failure (especially LCD displays on some VP models). 📚 Vehicle History Brand Heritage Parent Company: General Motors (Australia)...