🏷️ Basic Information Identification Make: Renault Model: 21 Model Years Covered: 1986-1994 Codes Internal Model Code: X52 👋 Introduction Market Position Segment: Family car / Executive car Design Philosophy: Focus on aerodynamics, comfort, and practicality, with a distinctive 'J' curve in its silhouette. Competitive Analysis Key Competitors: Ford Sierra, Volkswagen Passat, Peugeot 405, Opel Vectra/Vauxhall Cavalier. Key Features Aerodynamics: Excellent drag coefficient for its era, contributing to fuel efficiency and stability. Space And Comfort: Spacious interior, especially the estate (Savoy) and hatchback (Hatchback) variants. Powertrain Options: Wide range of petrol and diesel engines, including advanced multi-valve designs and turbocharging. Handling: Sophisticated suspension geometry, often featuring a multi-link rear suspension on higher-spec models. 📋 Manual Details Coverage Areas Regions Covered: Global (primarily European market focus) Page Count Estimated Page Count: Likely 1000+ pages (comprehensive workshop manual) Manual Type Type: Workshop Service Repair Manual Language Language: English (likely translated from original French) Format Format: Scanned PDF (Digital Download) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, cooling system, exhaust system, starting/charging systems, ignition system, clutch, manual gearbox, automatic transmission, driveshafts. Chassis: Front bearing elements, rear bearing elements, wheels and tyres, steering assembly, mechanical control components, hydraulic systems. Body: Lower structure, upper rear structure, body top, external accessories, body interior trim, instrument panel. Comfort And Convenience: Heating/Ventilation, Air Conditioning. Electrical: Electrical accessories, Wiring diagrams. Procedures Included Maintenance: Scheduled maintenance, lubrication, fluid changes, filter replacement, tune-ups. Repair: Detailed step-by-step repair procedures for all major mechanical and electrical components. Diagnostics: Troubleshooting guides, identification of common faults, diagnostic flowcharts (implied by technical depth). Assembly Disassembly: Complete engine overhaul, gearbox rebuild, suspension component replacement, body panel removal/installation. Emission Control: Details on emission control systems and their maintenance. Fuel Tank And Lines: Procedures for fuel tank removal, fuel line inspection, and fuel filter replacement. Steering And Suspension: Detailed diagrams and procedures for steering rack, suspension arms, shock absorbers, and bearings. Technical Depth Engine Rebuild: Complete engine disassembly, inspection, repair, and reassembly of all internal components (pistons, rings, bearings, valvetrain). Transmission Overhaul: Detailed procedures for manual gearbox and automatic transmission disassembly, repair, and reassembly, including clutch replacement. Electrical Diagnostics: Comprehensive wiring diagrams, component testing procedures, and fault-finding for all electrical systems. Bodywork: Procedures for body panel repair, rust prevention, interior trim removal, and accessory installation. Engine Management: Covers fuel injection system diagnostics and repair, ignition timing adjustments, and sensor testing. Body Structure Repair: Information on body panel alignment, welding points, and structural component repair, crucial for accident repair. Air Conditioning Service: Procedures for AC system charging, leak detection, and component replacement. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Fully printable (selected pages or whole manual) Image Quality: Scanned with detailed exploded views, pictures, and diagrams. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Lineup Petrol: 1.4L (80 hp), 1.7L (90-92 hp), 2.0L 8v (108-110 hp), 2.0L 12v (135-140 hp), 2.2L i (108 hp, often for specific markets/trims), 2.0L Turbo (175 hp, Turbo-D models). Engine Lineup Diesel: 1.9L D (68 hp), 2.1L D (72 hp), 2.1L Turbo D (88 hp). Performance Top Performance Petrol: 2.0L Turbo models capable of 0-60 mph in under 8 seconds. Torque Diesel: Diesel variants offer good low-end torque for relaxed cruising. Fuel System Injection Types: Carburetor (early models) and multi-point fuel injection (MPI) systems. Preheating: Glow plug system for diesel engines. 🔧 Transmission Standard Standard Gearbox: 5-speed manual transmission (often 'JB' series). Optional Optional Gearbox: 3-speed or 4-speed automatic transmission (e.g., 'ZF' or Renault's own designs). Features Clutch System: Hydraulically operated single dry plate clutch. Drivetrain: Front-wheel drive (FWD) is standard across most models. 📐 Dimensions Exterior Body Styles: Saloon (Sedan), Hatchback, Estate (Savoy). Length Approx: 4,400 - 4,750 mm (depending on body style) Width Approx: 1,700 - 1,750 mm Height Approx: 1,400 - 1,450 mm Weights Kerb Weight Range: 1100 - 1450 kg (depending on engine and body style) 🛡️ Safety Features Ratings Euro Ncap Era: No Euro NCAP data available for this era, but generally considered safe for its time. Active Features Braking System: Front disc brakes, rear drum brakes (larger discs on performance models). ABS was optional or standard on higher trims. Steering: Power-assisted steering (EPS) available on most models. Passive Features Seat Belts: Standard front seat belts, with rear seat belts often optional or standard on later models. Structural Integrity: Reinforced body structure and crumple zones. 💡 Technology Features Infotainment Radio Cassette: Standard equipment on most models, often with basic tuning and cassette playback. Speaker Systems: Typically 4 speakers; higher trims might have upgraded systems. Driver Assistance ABS: Anti-lock Braking System (ABS) was an optional extra on many models, becoming more common on facelifted versions and higher trims. Connectivity Connectivity Features: Limited by modern standards; primarily focused on basic vehicle functions. 🔧 Maintenance Service...