🏷️ Basic Information Identification Make: MG Model: Metro Generation: First Generation Production Years Covered By Manual: 1980-1990 Codes Vehicle Codes: HM73 (MG Metro), AH73 (Austin Metro) 👋 Introduction Market Position Target Audience: Professional technicians and advanced DIY enthusiasts with basic electrical and mechanical knowledge. Purpose: To provide comprehensive guidance for maintaining and repairing the MG Metro 1980-1990. Competitive Analysis Manual Comparison: Offers equivalent or superior content to factory manuals and owner's manuals, with the convenience of digital access. Key Features Feature 1: Step-by-step repair procedures for all major systems. Feature 2: Critical specifications, torque values, and clearances. Feature 3: Detailed wiring diagrams and electrical system troubleshooting. Feature 4: Guidance for both routine maintenance and complex repairs. Feature 5: Instant availability via digital download. 📋 Manual Details Coverage Areas Manual Coverage Years: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990 Page Count Estimated Page Count: Comprehensive (exact number not specified, but described as covering typical factory service manual content) Manual Type Manual Type: Repair Service Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, block, crankshaft, pistons, connecting rods, timing, lubrication system, cooling system. Fuel System: Fuel injection (if applicable to models covered), carburetion (e.g., SU, Weber), fuel pump, fuel lines, fuel tank, emission control systems. Ignition System: Distributor, ignition coil, spark plugs, wiring, timing adjustment. Transmission Manual: Gearbox overhaul, clutch system, gear shift mechanism, driveshafts, UJs. Transmission Automatic: Automatic transmission service and repair (if applicable variants exist within the production period). Suspension System: Hydrolastic suspension (front and rear), interlinking hoses, displacers, pump, suspension arms, bushings, dampers. Steering System: Steering rack, column, tie rods, linkages, adjustment. Braking System: Front and rear disc/drum brakes, hydraulic system, master cylinder, brake lines, calipers, wheel cylinders, parking brake. Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting system, dashboard instruments, fuses, relays, ignition switch, wiper system, heater fan. Body And Chassis: Body shell, doors, windows, hinges, locks, body panels, interior trim, chassis components, corrosion prevention. Heating And Ventilation: Heater unit, ducting, blower motor, controls. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, fluid level checks, brake adjustments, lubrication points. Troubleshooting: Diagnostic procedures for common faults and symptoms across all major systems. Disassembly And Assembly: Step-by-step instructions for removing, overhauling, and reinstalling major vehicle components. Repair Procedures: Detailed instructions for repairing specific parts and systems, including common wear items. Cleaning And Reinstallation: Guidance on cleaning components before reassembly and proper installation techniques. Engine Timing Adjustment: Detailed procedures for setting ignition timing and valve timing (if applicable). Suspension Adjustment And Charging: Specific instructions for charging and adjusting the Hydragas suspension system, including fluid levels and pressures. Electrical Component Testing: Guidance on testing and troubleshooting electrical components like alternators, starter motors, and lighting circuits. Technical Depth Depth Of Coverage: Covers fundamentals for DIY mechanics to professional technicians, including detailed step-by-step guidance. Diagnostic Information: Includes critical specifications, diagnostic procedures, and troubleshooting flowcharts. Illustrations And Diagrams: Features illustrations and pictures to aid in understanding procedures and component identification. Torque Specifications: Essential torque values for critical fasteners in engine, drivetrain, chassis, and bodywork. 📊 Manual Specifications File Format File Type: PDF Print Quality Printable: Full Printable Zoom Capability: YES (Zoom IN/OUT) Binding Type Binding Type: Digital Download (imitation of factory or shop manual) Paper Type Paper Type: N/A (Digital Format) Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader & WinZip Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Options: Primarily Rover/BMC A-Series engines: 1.3L (1275cc) variants. Early models might have had 1.0L (998cc) versions. Performance 1.3L Engine Power: Approx. 60-68 bhp (depending on specific tune and year, e.g., MG Metro variants often had higher output) - *Specific figures vary by sub-model and tune.* 1.3L Engine Torque: Approx. 70-75 lb-ft (dependent on specific tune) - *Specific figures vary by sub-model and tune.* Fuel System Carburetion Common: Typically single SU HS4 or HIF4 carburettor. Some performance variants may have used twin carbs. Fuel Type: Unleaded Petrol (from mid-1980s onwards, earlier models may have been designed for leaded or required additives). Engine Mechanical Bore Stroke 1275Cc: 70.6 mm x 81.3 mm Compression Ratio Typical: 8.8:1 to 9.75:1 (depending on variant) Cooling System Cooling Type: Pressurised liquid cooling system. 🔧 Transmission Standard Standard Transmission: 4-speed manual transaxle. Optional Optional Transmission: 3-speed automatic (less common, availability may vary by market and year). Features Clutch Type: Single dry plate, hydraulically operated. Final Drive Ratio: Varies by gearbox and engine variant, typically around 3.76:1 to 4.1:1. 📐 Dimensions Exterior Length: Approx. 3660 mm (144.1 inches) Width: Approx. 1600 mm (63 inches) Height: Approx. 1350 mm (53.1 inches) Wheelbase: Approx. 2290 mm (90.2 inches) Weights Kerb Weight: Approx. 800-850 kg (1760-1870 lbs) depending on specification. 🛡️ Safety Features Ratings Crash Test Performance:...