HOLDEN HQ-HZ Service Repair Manual Download PDF

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Basic Information Identification Make: Holden Model: HQ, HJ, HX, HZ Model Series: HQ-HZ Generation: HQ (1971-1974), HJ (1974-1976), HX (1976-1977), HZ (1977-1980) Introduction Market Position Market Position: Essential resource for...

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Sku: 54195

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Description

Basic Information
Identification
Make:	Holden
Model:	HQ, HJ, HX, HZ
Model Series:	HQ-HZ
Generation:	HQ (1971-1974), HJ (1974-1976), HX (1976-1977), HZ (1977-1980)

Introduction
Market Position
Market Position:	Essential resource for owners and independent mechanics of Holden HQ, HJ, HX, and HZ series vehicles, providing factory-level technical data for maintenance and repair.
Competitive Analysis
Competitive Analysis:	Offers a comprehensive and specific alternative to generic repair guides, providing the exact information used by dealership technicians. Its digital format offers convenience and cost savings over older, printed manuals.
Key Features
Key Features:	Complete coverage of all models and engines, detailed step-by-step repair instructions, hundreds of illustrations and diagrams, complete wiring schematics, comprehensive torque specifications, factory maintenance schedules, troubleshooting guides, and diagnostic procedures. Instant download format.

Manual Details
Coverage Areas
Coverage Areas:	All Models, All Engines, Bodywork, Electrical Systems, Drivetrain, Suspension, Brakes, HVAC, Engine Overhaul, Transmission Servicing, Troubleshooting, Diagnostics, Wiring Diagrams, Vacuum Diagrams
Page Count
Page Count:	3000+
Manual Type
Manual Type:	Service and Repair Manual
Language
Language:	English
Format
Format:	PDF

Manual Coverage
Systems Covered
Systems Covered:	Engine mechanical (including overhaul and rebuilding), fuel system, ignition system, cooling system, lubrication system, exhaust system, starting and charging systems, lighting, instrumentation, chassis electrical, power windows, power seats, HVAC (Air Conditioning), power steering, brakes (including disc and drum), suspension (front and rear, including alignment procedures), steering, driveline (propeller shaft, universal joints, differential, axles), transmission (manual and automatic, in-car servicing, removal/installation), body and frame, interior trim, exterior trim, body hardware, glass and mirrors, sunroofs.
Procedures Included
Procedures Included:	Engine tuning, timing belt replacement/service (if applicable to specific engines), brake servicing procedures, routine maintenance, diagnostic trouble tree charts, troubleshooting common drivability issues, torque specifications, U-joint and CV-joint service, serpentine belt routings and replacement, front-end alignment procedures and specifications, fuel injection system diagnostics (for applicable models), carburetor adjustments and rebuilding, ignition system testing and adjustment, transmission fluid changes and in-car adjustments, differential and axle servicing, suspension component replacement, brake pad and shoe replacement, exhaust system repair, electrical system troubleshooting using wiring diagrams, air conditioning system service and recharge capacities, sunroof operation and repair.
Technical Depth
Technical Depth:	Comprehensive, factory-level detail covering routine maintenance to complete engine overhauls and major component repairs. Includes step-by-step instructions, diagnostic procedures, and detailed specifications for all covered models and engine variants.

Manual Specifications
File Format
File Format:	PDF (Portable Document Format)
Print Quality
Print Quality:	High-resolution, enabling clear viewing and printing of text, diagrams, and illustrations. Supports zoom in/out functionality for detailed examination.
Binding Type
Binding Type:	Digital Download (No physical binding)
Paper Type
Paper Type:	Not Applicable (Digital Product)

Engine Specifications
Primary Engine
Primary Engine:	6 Cylinder (e.g., 138 cu in (2.2 L) 'Red' motor, 161 cu in (2.6 L) 'Red' motor, 173 cu in (2.8 L) 'Red' motor, 202 cu in (3.3 L) 'Red' motor, 245 cu in (4.0 L) 'Orange' motor V8, 253 cu in (4.2 L) 'Red' motor V8, 308 cu in (5.0 L) 'Red' motor V8, 350 cu in (5.7 L) Chevrolet V8 (HQ only). Specific engine variants and codes are detailed within the manual.
Performance
Performance:	Performance specifications, horsepower, torque figures, and engine tuning procedures for each engine variant are comprehensively covered.
Fuel System
Fuel System:	Covers carburetor systems (e.g., Stromberg, Rochester) for most models, with specific tuning, rebuilding, and troubleshooting procedures. Includes details on fuel pump operation and fuel line routing. Fuel injection systems (e.g., Bosch L-Jetronic for some HX/HZ variants) are also covered.

Transmission
Standard
Standard:	Various manual transmissions (e.g., 3-speed, 4-speed) and automatic transmissions (e.g., Trimatic 3-speed, Turbo Hydra-Matic 350/400 3-speed) were available, depending on the model and engine. Detailed service information for each is provided.
Optional
Optional:	The manual details both standard and optional transmission types offered across the HQ-HZ range, including their specific servicing requirements and overhaul procedures.
Features
Features:	In-car servicing, removal and installation procedures, fluid capacities, fluid types, band adjustments, torque converter checks, and general maintenance for both manual and automatic transmissions are thoroughly documented.

Dimensions
Exterior
Exterior:	Specifications for overall length, width, height, wheelbase, and track width for various body styles (sedan, coupe, wagon, ute, panel van) are detailed. Specific measurements vary by body type and model year.
Interior
Interior:	While not explicitly detailed in terms of cubic feet, the manual covers interior trim, seating adjustments, dashboard components, and associated electrical systems.
Cargo
Cargo:	Specific cargo volumes are not typically provided in service manuals, but the manual covers the repair and maintenance of cargo areas for wagon, ute, and panel van variants.
Weights
Weights:	Curb weight, gross vehicle weight (GVW), and towing capacities for different models and configurations are included within the detailed specifications section.

Safety Features
Ratings
Ratings:	Official safety ratings from the era (e.g., crash test data from relevant automotive organizations if available) are not a primary focus of this type of service manual, but it details safety-related systems like brakes, seatbelts, and lighting.
Active Features
Active Features:	Covers the operation and maintenance of braking systems (including power assist), steering systems, and suspension components contributing to active safety and handling.
Passive Features
Passive Features:	Details on seat belt mechanisms, door lock systems, glass components, and interior trim are included for repair and maintenance, which indirectly relate to passive safety.

Technology Features
Infotainment
Infotainment:	Infotainment systems of this era were basic, typically consisting of AM/FM radios (with optional 8-track or cassette players) and manual or power antenna systems. The manual covers the repair and diagnosis of these radio and speaker systems.
Driver Assistance
Driver Assistance:	Limited driver assistance technologies by modern standards. The manual covers power steering systems, power brakes (including booster operation), and brake proportioning valves.
Connectivity
Connectivity:	No modern connectivity features like Bluetooth or USB ports. The electrical system coverage focuses on essential vehicle functions and optional accessories of the period.

Maintenance
Service Intervals
Service Intervals:	The manual provides detailed factory maintenance schedules, outlining recommended service intervals for oil changes, filter replacements, fluid checks, tune-ups, and other routine maintenance tasks based on mileage and time.
Fluid Specifications
Fluid Specifications:	Includes specific recommendations for engine oil viscosity grades (e.g., SAE 20W-50, SAE 10W-30), coolant types and mixtures, transmission fluid types (e.g., Dexron for automatics), brake fluid specifications (e.g., DOT 3), differential fluid grades, and power steering fluid. Capacities for all fluid reservoirs are also listed.
Known Issues
Known Issues:	While the manual is a factory document, its comprehensive nature allows technicians and owners to identify and address common issues of the era, such as carburetor performance, ignition system reliability, minor electrical gremlins, and suspension wear. Specific troubleshooting sections are dedicated to these.

Vehicle History
Brand Heritage
Brand Heritage:	Holden, an Australian automotive manufacturer, has a long history of producing iconic vehicles for the Australian market. The HQ series, launched in 1971, was a revolutionary redesign and a significant sales success for the brand, forming the basis for subsequent models.
Model Evolution
Model Evolution:	The HQ (1971-1974) was followed by the HJ (1974-1976), which introduced minor styling updates and engine revisions. The HX (1976-1977) saw further styling refinements and emissions controls. The HZ (1977-1980) was the final iteration of this platform, introducing rack-and-pinion steering on some models and further mechanical updates.
Production
Production:	The Holden HQ-HZ series was produced in Australia. The HQ was a particularly strong seller, with over 600,000 units produced. The HJ, HX, and HZ models continued the legacy, with total production for the series spanning from 1971 to 1980.

Awards & Recognition
Recognitions
Recognitions:	The Holden HQ series, upon its release, was widely acclaimed for its modern styling and robust engineering, often referred to as 'Australia's car.' It was a dominant force in the Australian automotive market and is considered a design icon.
Ratings
Ratings:	No formal award ratings are relevant to the manual itself, but the vehicles it covers were highly regarded in their respective production years for performance, comfort, and market appeal.
Certifications
Certifications:	The manual is a factory-produced document, reflecting Holden's engineering and service standards at the time of vehicle production.