🏷️ Basic Information Identification Make: Opel Model: Manta GT Years Covered: 1968, 1969, 1970, 1971, 1972, 1973 Generation Generation Name: First Generation (A-Body) 👋 Introduction Market Position Target Audience: DIY Owners, Independent Repair Shops, Professional Mechanics Competitive Analysis Uniqueness: Vehicle-Specific, Manufacturer-Level Detail, Not Generic Key Features Instruction Style: Step-by-Step, Easy-to-Follow Instructions Cost Saving Potential: Significant Savings on Maintenance and Repairs Information Source: Authorised Dealer Service Department Equivalent 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Workshop Page Count Estimated Page Count: Comprehensive (specific page count not provided, but implies full coverage) Manual Type Type: Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete Overhaul, Troubleshooting, Component Replacement Engine Electrical: Ignition System, Charging System, Starting System, Wiring Schematics Emission Control: System Description, Troubleshooting, Component Testing Fuel System: Carburetor Service, Fuel Pump, Fuel Lines, Tank Maintenance Clutch System: Disc, Pressure Plate, Release Bearing, Actuation System Manual Transaxle: Gearbox Overhaul, Shifting Mechanism, Component Specifications Automatic Transaxle: Hydraulic System, Gear Ratios, Valve Body Service, Troubleshooting Driveshaft Axle: U-joints, CV Joints, Axle Shafts, Differential Service Suspension: Front Suspension, Rear Suspension, Shock Absorbers, Springs, Bushings Steering: Steering Gear, Tie Rods, Power Steering (if applicable), Alignment Restraint Systems: Seat Belts, Anchoring Points, Adjustments Brake System: Front and Rear Brakes (Disc/Drum), Hydraulic System, Parking Brake Body Interior Exterior: Panels, Doors, Trim, Glass, Sealing Body Electrical: Lighting, Wipers, Horn, Switches, Wiring Diagrams HVAC: Heating, Ventilation, Air Conditioning Components and Service Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Tune-ups Troubleshooting: Diagnostic Steps, Fault Finding, Symptom Analysis Repair: Step-by-Step Repair Instructions for All Major Systems Rebuilds: Engine Rebuild, Transmission Overhaul, Component Reassembly Technical Depth Diagnostic Capability: Advanced Diagnostics and Troubleshooting Procedures Rebuild Instructions: Complete Rebuild Procedures for Major Mechanical Components Wiring Diagrams: Detailed Electrical Wiring Schematics for All Systems Illustrations Diagrams: Abundant Illustrations and Diagrams for Clarity 📊 Manual Specifications File Format Compatibility: Windows and macOS Software Requirement: Adobe PDF Reader Print Quality Printability: Yes, All Pages are Printable Binding Type Binding: Digital (PDF), Printable Pages Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Displacement Liters: 1.9 L (1897 cc) Engine Configuration: Inline-4 Cylinder (OHV) Performance Horsepower Approximate: 90-105 HP (Varies by specific model year and tuning) Torque Approximate: 130-145 Nm (Varies by specific model year and tuning) Fuel System Fuel Delivery: Carburetor (e.g., Zenith Stromberg, Solex) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Type Standard: 4-Speed Manual Optional Transmission Type Optional: 3-Speed Automatic (TH180 / Trimatic) Features Clutch Type: Single Dry Plate 📐 Dimensions Exterior Body Style: 2-Door Coupe Weights Curb Weight Approximate: 1050 - 1150 kg 🛡️ Safety Features Passive Features Seatbelts: Standard Lap Belts (front), optional inertia reel belts Chassis Construction: Unitary Body Construction with Integrated Safety Features 💡 Technology Features Infotainment Radio: Optional AM/FM Radio, some with Cassette Player Driver Assistance Seatbelt Retractors: Early models often had fixed lap belts, later models might have optional inertia reel belts. 🔧 Maintenance Service Intervals Oil Change Interval Miles: Approx. 5,000-7,500 miles (refer to manual for exact specification) Tune Up Interval Miles: Approx. 15,000-30,000 miles (spark plugs, points, timing) Fluid Specifications Engine Oil Type: API SF/CD, SAE 20W-50 or 10W-30 (refer to manual) Coolant Type: Ethylene Glycol Based Antifreeze (50/50 mix with water) Transmission Fluid Manual: GL-4 Gear Oil (SAE 75W-90 or 80W-90) Transmission Fluid Automatic: Dexron III or equivalent Brake Fluid Type: DOT 3 or DOT 4 Known Issues Rust Prone Areas: Wheel arches, sills, floor pans, door bottoms Common Engine Wear: Oil leaks, piston ring wear, valve stem seals Carburetor Issues: Float level adjustment, jet clogging, vacuum leaks 📚 Vehicle History Brand Heritage Parent Company: General Motors (GM) Model Evolution Design Origin: Designed by Opel in Germany, inspired by American pony cars. Trim Levels: Base, GT, Rallye (variations existed) Production Production Period: 1970-1975 (Manta A series) 🏆 Awards & Recognition Recognitions Market Reception: Popular in Europe for its sporty styling and handling.