Target Audience:
Holden HQ, HJ, HX, HZ owners, enthusiasts, mechanics, restorers, DIYers.
Completeness:
100% complete and intact; no missing or corrupt pages/sections.
Content Type:
Detailed illustrations, exploded diagrams, drawings, photos, step-by-step instructions.
Cost Savings:
Inexpensive way to keep vehicle working properly; empowers DIY repairs to save money.
Engine Mechanical:
Engine overhaul and rebuilding, performance tuning, timing belt replacement (where applicable), firing orders, specifications.
Brakes:
Brake servicing procedures, diagnostics, front-end alignment, specifications, torque values.
Suspension Steering:
Front end and alignment procedures and specifications, suspension systems, U-joint and CV-joint service.
Transmission:
Transmission removal and installation, in-car servicing, features.
Electrical Electronics:
Wiring diagrams, computer diagnostic trouble tree charts, computer diagnostic codes, troubleshooting, vacuum diagrams.
Climate Control:
Air conditioning service and capacities.
Body Chassis:
Sunroof service, body repair and refurbishment guidance.
Fuel System:
Fuel tank, pump, lines, and carburetor service and troubleshooting.
Cooling System:
Radiator, fan, water pump, thermostat, and heater core service.
Exhaust System:
Manifolds, pipes, mufflers, and catalytic converter (if fitted) service.
Ignition System:
Distributor, coil, spark plugs, and wiring service.
Interior Trim:
While not a primary focus, procedures for accessing components behind trim are often included within system repairs.
Maintenance:
Factory maintenance schedules and charts, routine servicing.
Diagnostics:
Troubleshooting and diagnostics, computer diagnostic trouble tree charts, computer diagnostic codes.
Repair Rebuild:
Engine overhaul and rebuilding, complete disassembly, step-by-step instructions for all repair procedures.
Specifications:
Detailed specifications on every model, complete torque specifications, alignment specifications, fluid capacities.
Driving Concerns:
Includes sections addressing common driving concerns and their resolutions.
Troubleshooting:
Systematic troubleshooting guides for common problems.
Part Replacement:
Step-by-step instructions for replacing all major components.
Depth:
Comprehensive, from basic maintenance to complete engine rebuilds and advanced diagnostics. Suitable for DIY and professional mechanics.
Illustrations:
Hundreds of detailed illustrations, exploded diagrams, and photographs.
Diagnostics Charts:
Computer diagnostic trouble tree charts and computer diagnostic codes for troubleshooting electronic issues of the period.
Specifications Details:
Precise torque values for critical fasteners, engine clearances, bearing clearances, etc.
Engine Options:
Inline-6 (e.g., 173ci, 186ci, 202ci), V8 (e.g., 253ci, 308ci, 350ci - '74 HQ SS, later models).
Carburetion:
Single-barrel and multi-barrel carburetors (e.g., Stromberg, Holley, Rochester Quadrajet).
Notes:
Performance data varies significantly by engine option and tuning; manual covers all factory specifications and rebuild procedures.
General:
Manual includes factory maintenance schedules and charts for various intervals (e.g., oil changes, filter replacements, lubrication).
Engine Oil:
Specify SAE viscosity grades (e.g., SAE 20W-50, SAE 10W-30 depending on climate and engine) and API service classifications.
Coolant:
Type and mixture ratio for the cooling system.
Transmission Fluid:
Dexron or equivalent for automatic transmissions, GL-4 or GL-5 for manual transmissions and differentials (specific grades provided in manual).
Common Wear Items:
Carburetor tuning, ignition system components, fuel pumps, U-joints, suspension bushings, rust (common for vehicles of this age).
