This manual covers the Holden Commodore VK generation, produced between 1984 and 1986. The VK Commodore represented a significant styling update for Holden's popular Australian-manufactured sedan and station wagon models, featuring revised aerodynamics and a more modern aesthetic. Known for its robust mechanics and comfortable ride, the Commodore VK was a staple for Australian families and fleet buyers, offering various trim levels from the standard SL to the premium Calais. Engine options included the 3.3L EST and 3.3L EFI variants, paired with manual or automatic transmissions. This Supplement Workshop Repair Service Manual, presented in English, focuses primarily on Wiring Diagrams and Electrical Systems, while also providing coverage for General Repairs, Maintenance, and Servicing. It offers detailed step-by-step procedures, exploded views, and comprehensive information on engine, drivetrain, chassis, body, and comfort systems. This resource is designed to assist Holden Commodore VK owners, independent mechanics, and DIY enthusiasts in diagnosing, maintaining, and repairing their vehicles, with particular emphasis on troubleshooting common electrical issues prevalent in this model. 🏷️ Basic Information Identification Make: Holden Model: Commodore Generation: VK Year Range: 1984-1986 Codes Model Codes: 8VK19, 8VK35, 8VL19, 8VL35, 8VX19 👋 Introduction Market Position Target Audience: Holden Commodore VK owners, independent mechanics, DIY enthusiasts Competitive Analysis Value Proposition: Provides critical wiring diagrams and electrical system coverage, supplementing standard repair information for a specific generation of a popular Australian vehicle. Key Features Highlight: Comprehensive wiring diagrams, detailed exploded views, extensive procedural coverage. Usability: Designed for practical use by technicians and owners for repairs, maintenance, and servicing. 📋 Manual Details Coverage Areas Primary Coverage: Wiring Diagrams and Electrical Systems Supplementary Coverage: General Repairs, Maintenance, Servicing Page Count Total Pages: 450+ Manual Type Type: Supplement Workshop Repair Service Manual Factory Origin: Not Official Factory Manual Language Language: English Format Digital Format: PDF Physical Format Equivalent: DVD in PDF format Printability: Fully printable (selected pages or whole manual) 📖 Manual Coverage Systems Covered Engine Systems: Engine Lubrication, Engine Fuel, Engine Cooling, Exhaust System, Engine Electrical, Engine Emission Control, Engine Tune Drivetrain Systems: Clutch, Fuel Tank, Manual Transmission, Automatic Transmission, Propeller Shaft, Rear Axle Chassis Systems: Wheel and Tire, Steering, Brakes, Rear Suspension Electrical Systems: Engine Electrical, Battery and Cables, Wiring Harness and Fuses Body Systems: Body Comfort Systems: Ventilation & Heating Procedures Included Repair Procedures: Detailed step-by-step written procedures for repairs Maintenance Procedures: Comprehensive maintenance and servicing procedures Diagnostic Procedures: Implied through troubleshooting within repair sections Visual Aids: Detailed exploded views Technical Depth Depth: Covers all areas mentioned in the content list with a focus on electrical/wiring 📊 Manual Specifications File Format Type: PDF Searchable: Likely searchable text-based PDF (standard for workshop manuals) Print Quality Quality: High-quality, suitable for printing Binding Type Digital Binding: N/A (Digital PDF) Paper Type Digital Paper Equivalent: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Variants Covered: 3.3L EST (Electronic Spark Timing), 3.3L EFI (Electronic Fuel Injection) Performance Typical Horsepower 3.3L: Approximately 130-140 HP (Varies by specific EFI/EST tune) Typical Torque 3.3L: Approximately 170-180 lb-ft (Varies by specific EFI/EST tune) Fuel System Fuel Delivery Efi: Electronic Fuel Injection Ignition System Est: Electronic Spark Timing 🔧 Transmission Standard Manual Options: Refer to manual for specific manual transmission options (e.g., Trimatic, Muncie-based 4-speed) Optional Automatic Options: Refer to manual for specific automatic transmission options (e.g., Trimatic 3-speed) Features Coverage: Detailed procedures for manual and automatic transmission servicing and repair. 📐 Dimensions Exterior Body Styles: Sedan (4 door, 6 window), Station Wagon Cargo Station Wagon Capacity: Significant cargo volume, typical for the era's large station wagons. Weights Curb Weight Sedan: Approximately 1350-1450 kg (Varies by trim and engine) Curb Weight Wagon: Approximately 1450-1550 kg (Varies by trim and engine) 🛡️ Safety Features Ratings Era Specific Ratings: No modern crash test rating systems directly applicable or available for this era. Active Features Typical Features: Power-assisted brakes (optional), Power steering (optional). Passive Features Typical Features: Seat belts, crumple zones (as designed for the period). 💡 Technology Features Infotainment Audio Systems: Factory radio/cassette players, often with optional graphic equalizers or amplifier upgrades. Driver Assistance Available Features: Very limited by modern standards; primarily focused on power steering and brakes. Connectivity Available Features: N/A (No factory connectivity features like Bluetooth or USB) 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000-7,500 km or 6 months (refer to manual for specific recommendations based on driving conditions) Tune Up Interval: Check spark plugs, filters, and ignition system every 20,000-30,000 km Fluid Specifications Engine Oil Type: API SG or SH, SAE 20W-50 or 10W-30 (check manual for specific viscosity based on climate) Coolant Type: Ethylene glycol based anti-freeze/anti-boil solution (e.g., Castrol XBB or equivalent) Brake Fluid Type: DOT 3 Known Issues Electrical Gremlins: Common issues with aging wiring, particularly in the engine bay and dashboard due to heat and vibration. This manual is key for diagnosing these. Rust Prone Areas: Wheel arches, sills,...