🏷️ Basic Information Identification Make: Holden Model: HQ / HZ Manufacturer Origin: Australia Vehicle Type: Passenger Car / Utility Codes Holden Hq Code: All HQ models and variants Holden Hz Code: All HZ models and variants 👋 Introduction Market Position Target Audience: Holden HQ/HZ owners, DIY enthusiasts, professional mechanics Value Proposition: Provides the same detailed information used by professional technicians for all service, repair, and troubleshooting needs. Competitive Analysis Competitors: Generic Haynes/Chilton manuals (less detailed), unofficial online forums (variable accuracy) Key Features Key Selling Points: Comprehensive factory data, detailed illustrations, lifetime usage rights, instant download. 📋 Manual Details Coverage Areas Primary Markets Covered: Australia, New Zealand Body Styles Covered: Sedan, Station Wagon, Coupe (Monaro), Utility (Ute), Panel Van, Premier, Kingswood, Belmont, Sandman Page Count Estimated Pages: Hundreds (specific count not provided, but described as comprehensive) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, diagnosis, cooling, lubrication, fuel, ignition, emissions control Transmission Systems: Manual transmission overhaul, automatic transmission overhaul, clutch, driveline Braking Systems: Front disc brakes, rear drum brakes, power assisted brakes, brake adjustments and repairs Suspension And Steering: Front and rear suspension, power steering, steering box overhaul Electrical Systems: Wiring diagrams, starter motor, alternator, battery, lighting, ignition switch, dashboard instruments, accessories Body And Chassis: Body construction, doors, windows, seats, trim, chassis lubrication, rust prevention HVAC System: Heating, ventilation, and air conditioning system (if factory-fitted) Procedures Included General Maintenance: Oil changes, filter replacements, tune-ups, lubrication points Troubleshooting: Diagnostic procedures for common faults, symptom-based troubleshooting guides Component Overhaul: Complete disassembly, inspection, repair, and reassembly of major components Electrical Diagnostics: Circuit tracing, component testing, wiring repair Body Repairs: Panel replacement, dent repair, welding procedures, glass replacement Technical Depth Depth Of Coverage: Comprehensive from routine servicing to complete engine rebuilds and major component overhauls Diagrams And Illustrations: Detailed exploded diagrams, step-by-step photos, wiring schematics Diagnostic Tools: Information on necessary tools and equipment for repairs 📊 Manual Specifications File Format File Type: PDF Searchable Text: Likely (common for professional PDF manuals) Print Quality Printability: Printable (single pages or entire manual) Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) Licensing Usage Rights: Lifetime use on multiple devices, no expiry, no renewal fees Compatibility Operating Systems: Windows and macOS compatible ⚙️ Engine Specifications Primary Engine Engine Options: Inline 6-cylinder (173, 186, 202 cubic inch) and V8 (253, 308, 350 cubic inch) Holden and Chevrolet engines Performance Hp Range: Approx. 100-250+ HP depending on engine and tune Torque Range: Approx. 150-300+ lb-ft depending on engine and tune Fuel System Carburetor Types: Stromberg, Holley, Rochester (single and multi-barrel) and possibly Weber Fuel Type: Unleaded gasoline (post-1975 for unleaded compatibility, but manual covers vehicles prior to and during this transition) Cooling System Coolant Type: Ethylene glycol-based coolant with corrosion inhibitors (specific Holden part numbers may be detailed) Ignition System Ignition Type: Conventional distributor-based ignition system (points and condenser or early electronic ignition systems may be covered) 🔧 Transmission Standard Standard Transmission Type: 3-speed and 4-speed manual transmissions (e.g., M20, M21, Trimatic variants) Optional Optional Transmission Type: 3-speed automatic transmissions (e.g., Turbo-Hydramatic 350, Trimatic) Features Clutch Type: Single dry plate diaphragm spring clutch (for manual transmissions) Transmission Fluid: Dexron II or equivalent automatic transmission fluid (ATF) for automatics; GL-4 gear oil for manuals (specific viscosities will be listed) 📐 Dimensions Exterior Wheelbase Options: Varies by body style (e.g., sedan ~111 inches, wagon ~111 inches, coupe ~114 inches) Weights Curb Weight Range: Approx. 2700-3500+ lbs depending on configuration Gross Vehicle Weight Rating Gvw: Varies by model (e.g., 4000-4500+ lbs for sedans/wagons) 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Modern crash testing standards were not in place for these models) Active Features Active Safety Features: Basic; primarily focused on driver control. Disc brakes on front for improved stopping. Power steering availability. Passive Features Passive Safety Features: Seat belts (lap belts standard, shoulder belts optional/standard on higher trims), padded dashboard, safety glass. 💡 Technology Features Infotainment Audio System: Factory AM/FM radio, optional 8-track player or cassette player. Basic analog tuning and volume controls. Driver Assistance Driver Assistance Features: Minimal to none by modern standards. Availability of power steering and power brakes on some models. Connectivity Connectivity Features: N/A (No factory-fitted electronic connectivity) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 km or 3 months (refer to specific manual for precise details) Tune Up Interval: Spark plugs, points, condenser, and filters at intervals, often around 10,000-20,000 km Fluid Specifications Engine Oil Viscosity: SAE 20W-50 or 10W-30 often recommended, depending on climate (refer to manual for exact specs) Coolant Capacity: Approx. 10-13 liters for 6-cylinder, 11-14 liters for V8 (including heater core) Brake Fluid Type: DOT 3 or DOT 4 brake fluid Known Issues Common Faults: Rust (especially in sills, wheel...