Model variants covered:
Belmont, Kingswood, Premier, Monaro, Statesman (HQ); equivalent HZ ranges
Production years covered:
HQ: 1971-1974; HZ: 1977-1980
Target audience:
Professional technicians and DIY owners restoring or maintaining Holden HQ and HZ passenger and commercial vehicles
Market segment:
Full-size Australian-made passenger, wagon and light commercial vehicles
Restoration relevance:
HQ/HZ models are popular classic restorations, making factory-level data essential
Coverage:
Covers multiple body styles and drivetrain combinations from a single reference
Procedures:
Step-by-step factory-style service and overhaul instructions with specifications
Value:
Digital format allows workshop use on tablet or printed shop copies
Coverage areas:
Engine, transmission, driveline, suspension, steering, brakes, electrical, body
Manual type:
Workshop / service repair manual
Delivery:
Instant download
Engine:
Six-cylinder and V8 petrol engines: disassembly, inspection, machining limits, reassembly
Fuel system:
Carburettor overhaul, fuel pump testing, adjustments
Cooling system:
Radiator, thermostat, water pump service and testing
Ignition system:
Distributor service, timing, spark diagnosis
Clutch:
Removal, inspection, adjustment, replacement
Manual transmission:
Disassembly, gear inspection, reassembly, specifications
Automatic transmission:
Service, adjustment and overhaul procedures
Final drive / differential:
Removal, bearing replacement, backlash and preload settings
Driveshaft:
Universal joint service and balance checks
Front suspension:
Control arm, bushing, ball joint and spring replacement
Rear suspension:
Leaf spring and bushing service
Steering:
Recirculating ball steering box overhaul, linkage adjustment
Brakes:
Disc and drum brake service, master cylinder, booster, bleeding
Electrical:
Wiring diagrams, charging and starting system testing, gauges
Body:
Panel removal, trim, weatherstrips, glass service
Technical depth:
Factory-level overhaul procedures with torque specifications and tolerances
Torque specifications:
Provided throughout for fasteners and component assembly
Diagnostics:
Fault-finding charts for engine, driveline and electrical systems
Special tools:
Listed where required for specific operations
Wiring diagrams:
Included in the electrical section
Lubrication:
Capacities and lubricant specifications
Parts information:
Wear limits, fitting clearances and part interchange notes within procedures
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine options range:
Holden inline six-cylinder petrol engines and Holden V8 petrol engines across the HQ/HZ range
Configuration:
Inline-6 and V8, OHV, carburetted
Fuel system:
Carburettor with mechanical fuel pump
Cooling:
Liquid cooled, water pump and thermostat
Precise output figures:
N/A - refer to model year variant within the manual
Tuning data:
Ignition timing, idle speed and carburettor settings included in the manual
Standard transmission:
Manual - three- or four-speed column or floor shift, depending on model
Optional transmission:
Automatic - Trimatic three-speed (six-cylinder) or Turbo Hydramatic (V8 applications)
Features:
Manual gearbox overhaul and automatic transmission service procedures both covered
Clutch data:
Adjustment and overhaul specifications included for manual models
Wheelbase:
Approx. 112.2 in (2850 mm) for HQ/HZ standard wheelbase; panel van/ute variants vary
Body styles:
Sedan, wagon, coupe (Monaro), utility, panel van, Statesman long wheelbase
Curb weight:
Approx. 1400-1600 kg depending on body style and engine
Exact figures by variant:
N/A - varies by body style; consult vehicle identification plates
Crash test ratings:
N/A - era-appropriate vehicles were not ANCAP tested
Active features:
Front disc brakes with dual-circuit hydraulic system; booster-assisted braking
Passive features:
Collapsible steering column, lap-sash seat belts (later models), padded dashboard
Restoration note:
Brake overhaul and adjustment procedures fully covered in the manual
Infotainment:
AM radio as fitted; era-appropriate audio only
Driver assistance:
None - pre-electronic era vehicle
Instrumentation:
Speedometer, fuel, temperature and charge gauges; oil pressure warning
Electrical system:
12-volt negative earth; full wiring diagrams in the manual
Service intervals:
Oil and filter changes recommended every 6 months or 6,000 miles/10,000 km under normal use of the era
Ignition service:
Points, cap, rotor and plug inspection at regular intervals per manual schedule
Valve clearances:
Periodic tappet adjustment procedure included
Engine oil:
SAE 20W-50 or per period specification; capacity given in manual
Coolant:
Ethylene glycol antifreeze mix per manual recommendation
Transmission fluid:
ATF for automatics per specification table; gear oil for manual gearboxes and differential
Common wear items:
Brake pads/shoes, suspension bushings, ball joints, universal joints, carburettor kits, ignition points
Known issues:
Carburettor wear, steering box free play, drum brake adjustment and leaf spring sag are typical period service areas
Manufacturer:
Holden, General Motors-Holden's, Australia
HQ introduction:
HQ launched in 1971 as an all-new body, the first Holden with no American equivalent
HZ evolution:
HZ (1977-1980) brought radially laminated front suspension (RSS) and improved safety features over the HX/HQ generation
Production location:
Australia - Elizabeth, South Australia assembly plants
Model significance:
HQ was the most extensively re-engineered Holden of its time, sharing components across passenger and commercial lines
Model recognition:
HQ Monaro GTS 350 is regarded as an Australian muscle car icon with strong collector following
Sales achievement:
HQ series set Holden sales records in the early 1970s
Formal awards:
N/A - formal award records not documented for this era
Collector status:
HQ/HZ Kingswood and Monaro models are established classics in the Australian restoration scene
