🏷️ Basic Information Identification Make: Austin Healey Model: Sprite Year: 1970 Trim Level: Mk IV / IV Roadster Codes Chassis Prefix: AN5 Engine Code Suffix: H, HE 👋 Introduction Market Position Target Audience: Austin Healey Sprite owners, classic car enthusiasts, independent mechanics, restoration shops. Competitive Analysis Value Proposition: Provides essential, vehicle-specific repair and maintenance information, saving owners significant costs compared to dealership servicing or inaccurate generic guides. Key Features Authenticity: Vehicle-specific information, not generic; mirrors factory workshop manuals used by authorized technicians. Usability: Easy-to-follow, step-by-step instructions with clear diagrams and illustrations, accessible to varying skill levels. Completeness: Covers all major topics and systems without missing or corrupt data. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Troubleshooting, Maintenance Secondary Coverage: Diagnostics, Specifications, Wiring Diagrams Page Count Estimated Page Count: Varies by edition, typically 300-500 pages Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, inspection, reassembly of engine components (block, head, pistons, crankshaft, camshaft, etc.) Engine Electrical: Ignition system, starting system, charging system, lighting, instrumentation, wiring schematics Emission Control: Air pump system, PCV system, evaporative emissions control (if applicable) Fuel System: Carburetor tuning and repair (likely SU HIF4 or Stromberg CD series), fuel pump, fuel lines, fuel tank Clutch System: Clutch operation, hydraulic system components (master cylinder, slave cylinder), clutch disc, pressure plate, release bearing Transmission: Manual transaxle (Four-speed) disassembly, repair, and reassembly, gear ratios, lubrication requirements Driveshaft Axle: Propeller shaft, universal joints, rear axle assembly, differential, hub bearings Suspension: Front suspension (independent, coil springs, wishbones), rear suspension (live axle, leaf springs), shock absorbers, bushings Steering: Steering column, steering rack, tie rods, steering knuckle components, lubrication Brakes: Front disc brakes, rear drum brakes, master cylinder, wheel cylinders, brake lines, parking brake system, bleeding procedures Body Interior Exterior: Body panel repair, doors, hood, trunk lid, convertible top mechanism, interior trim, dashboard, seats Body Electrical: Lighting (headlights, taillights, indicators), horn, wipers, washers, instrumentation, interior lights, wiring diagrams HVAC: Heating system, ventilation (no factory air conditioning typically on this model) Restraint: Seat belt installation and adjustment (if applicable to the specific market variant) Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement, ignition timing adjustment, brake fluid checks, coolant checks, lubrication points Troubleshooting: Step-by-step diagnostic procedures for common and complex issues across all systems Repair: Detailed instructions for replacing or rebuilding worn or damaged components Diagnostics: Fault finding guides, electrical circuit analysis, mechanical component testing Adjustments: Carburetor adjustment, ignition timing, valve clearance, brake adjustment, clutch adjustment Rebuilds: Comprehensive instructions for engine, transmission, carburetor, and brake caliper rebuilds Technical Depth Depth: Covers everything from basic scheduled maintenance to complete engine and transmission overhauls, suitable for both home mechanics and professional technicians. Diagrams Illustrations: Includes detailed step-by-step diagrams, exploded views, and clear illustrations for all procedures. Wiring Schematics: Provides comprehensive and accurate electrical wiring diagrams for all vehicle systems. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, suitable for printing individual pages without loss of clarity or detail. Binding Type Binding Type: Digital (PDF) - Printable pages Paper Type Paper Type: N/A (Digital Format) Compatibility Operating Systems: All versions of Windows and macOS Requirements Software Requirements: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, Overhead Valve (OHV) Engine Displacement: 1275 cc (77.8 cu in) Bore X Stroke: 70.6 mm x 81.3 mm (2.78 in x 3.20 in) Compression Ratio: 8.8:1 (typical) Performance Horsepower: 57.5 bhp @ 5250 rpm (typical for US market) Torque: 70 lb-ft @ 3000 rpm (typical for US market) Fuel System Carburetion: Twin SU HS4 or Stromberg CD150/CD175 carburetors (market dependent) Fuel Type: Unleaded gasoline (Octane rating appropriate for the engine, typically 91 or higher) 🔧 Transmission Standard Transmission Type: 4-speed Manual Transaxle Optional Transmission Type: Not typically offered with an automatic transmission. Features Gear Ratios: Specific ratios for 1st, 2nd, 3rd, 4th gears, and reverse will be detailed in the manual. Fluid Type: Manual Transmission Fluid (MTF), SAE 90 Gear Oil or equivalent (specific API GL-4 rating often recommended). 📐 Dimensions Exterior Length: Approx. 3715 mm (146.3 in) Width: Approx. 1473 mm (58.0 in) Height: Approx. 1219 mm (48.0 in) (soft top up) Weights Curb Weight: Approx. 830 kg (1826 lbs) Gross Vehicle Weight Rating: Approx. 1120 kg (2469 lbs) Wheelbase: Approx. 2010 mm (79.1 in) Dimensions Front Track: Approx. 1156 mm (45.5 in) Rear Track: Approx. 1181 mm (46.5 in) 🛡️ Safety Features Ratings Crash Test Ratings: No formal crash test ratings in the modern sense; vehicle design predates standardized testing. Active Features Braking System: Front disc, Rear drum hydraulic braking system. Passive Features Seat Belts: Lap belts typically fitted as standard; shoulder belts may be optional or market-dependent. 💡 Technology Features Infotainment Infotainment System: Basic AM/FM radio may have been an option. No...