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.
Competitors:
Generic Haynes/Chilton manuals (less detailed), unofficial online forums (variable accuracy)
Key Selling Points:
Comprehensive factory data, detailed illustrations, lifetime usage rights, instant download.
Primary Markets Covered:
Australia, New Zealand
Body Styles Covered:
Sedan, Station Wagon, Coupe (Monaro), Utility (Ute), Panel Van, Premier, Kingswood, Belmont, Sandman
Estimated Pages:
Hundreds (specific count not provided, but described as comprehensive)
Type:
Factory Service Repair Workshop Manual
Format:
PDF (Digital Download)
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)
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
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
Searchable Text:
Likely (common for professional PDF manuals)
Printability:
Printable (single pages or entire manual)
Binding:
N/A (Digital PDF)
Paper Quality:
N/A (Digital PDF)
Usage Rights:
Lifetime use on multiple devices, no expiry, no renewal fees
Operating Systems:
Windows and macOS compatible
Engine Options:
Inline 6-cylinder (173, 186, 202 cubic inch) and V8 (253, 308, 350 cubic inch) Holden and Chevrolet engines
Hp Range:
Approx. 100-250+ HP depending on engine and tune
Torque Range:
Approx. 150-300+ lb-ft depending on engine and tune
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)
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors (specific Holden part numbers may be detailed)
Ignition Type:
Conventional distributor-based ignition system (points and condenser or early electronic ignition systems may be covered)
Standard Transmission Type:
3-speed and 4-speed manual transmissions (e.g., M20, M21, Trimatic variants)
Optional Transmission Type:
3-speed automatic transmissions (e.g., Turbo-Hydramatic 350, Trimatic)
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)
Wheelbase Options:
Varies by body style (e.g., sedan ~111 inches, wagon ~111 inches, coupe ~114 inches)
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)
Crash Test Ratings:
N/A (Modern crash testing standards were not in place for these models)
Active Safety Features:
Basic; primarily focused on driver control. Disc brakes on front for improved stopping. Power steering availability.
Passive Safety Features:
Seat belts (lap belts standard, shoulder belts optional/standard on higher trims), padded dashboard, safety glass.
Audio System:
Factory AM/FM radio, optional 8-track player or cassette player. Basic analog tuning and volume controls.
Driver Assistance Features:
Minimal to none by modern standards. Availability of power steering and power brakes on some models.
Connectivity Features:
N/A (No factory-fitted electronic connectivity)
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
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
Common Faults:
Rust (especially in sills, wheel arches, door bottoms), carburetor tuning issues, ignition system wear, radiator leaks, potential gasket leaks (head, sump).
Wear And Tear Items:
Suspension bushings, ball joints, tie rod ends, brake components, exhaust systems.
Holden Legacy:
Holden is an iconic Australian automotive manufacturer with a long history of producing vehicles tailored for Australian conditions.
Hq Introduction:
The Holden HQ series, launched in 1971, was a complete redesign, featuring a 'modern' and 'longer, lower, wider' styling theme, and was Holden's first truly global car platform. It offered a wide range of body styles and engines.
Hz Introduction:
The Holden HZ series, launched in 1977, was an update to the HQ/HX series, featuring revised styling (particularly the grille and badging) and the introduction of Radial Tuned Suspension (RTS) for improved handling. It aimed to modernize the aging platform.
Hq Production Years:
1971–1974
Hz Production Years:
1977–1980
Key Variants:
Monaro (Coupe), Kingswood (Luxury Sedan/Wagon), Premier (Executive Luxury), Belmont (Base Commercial/Sedan), Sandman (Performance/Lifestyle Van/Ute)
