🏷️ Basic Information Identification Make: Renault Model: 21 Codes Chassis Codes: L48, K48 (Hatchback/Saloon), V48 (Estate/Savanna) 👋 Introduction Market Position Positioning: The Renault 21 was positioned as a family-sized, front-wheel-drive (or optional 4x4 on some models) car in the C-segment, competing with vehicles like the Ford Sierra, Opel/Vauxhall Cavalier, and Peugeot 405. It was known for its comfortable ride, spacious interior, and often advanced technology for its time, including early forms of ABS and advanced engine management. Competitive Analysis Competitors: Ford Sierra, Opel/Vauxhall Cavalier, Peugeot 405, Citroën BX, Volkswagen Passat, Fiat Croma. Key Features Features: Innovative 'Project PC' design, available in hatchback (often referred to as the 'Nevada' for the estate in some markets, though typically the estate is V48), saloon, and estate body styles. Notable for its aerodynamic design and advanced engine options including the PRV V6 in some high-performance variants (e.g., R21 Turbo-Quadra). 📋 Manual Details Coverage Areas Applicable Years: 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994 Manual Type Type: Workshop Service Repair Manual Language Language: English (assumed, based on typical sales descriptions for this product) Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine: Complete engine mechanicals, tuning, diagnosis, overhaul for all petrol and diesel variants Transmission: Manual and automatic transmission overhaul, diagnosis, and fluid specifications Fuel System: Carburetor and fuel injection systems (K-Jetronic, L-Jetronic, Motronic variants), fuel pumps, lines, and tanks Ignition System: Electronic ignition systems, coil, distributor, spark plugs, and timing Cooling System: Radiator, thermostat, water pump, hoses, fan, and coolant specifications Exhaust System: Exhaust manifold, pipes, catalytic converter, and muffler replacement/repair Steering: Power steering system, pump, rack, and tie rods Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment Brakes: Disc and drum brakes, master cylinder, calipers, wheel cylinders, brake lines, ABS system (if equipped) Electrical System: Wiring diagrams, battery, alternator, starter, lighting, accessories, fuses, relays Bodywork: Body panel repair, door mechanisms, glass, trim, bumpers, and rust prevention HVAC: Heating, ventilation, and air conditioning system service and repair Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks, lubrication Troubleshooting: Diagnostic procedures for common problems, symptom-based fault finding Repair: Step-by-step repair instructions for all major mechanical and electrical components Overhaul: Complete engine, transmission, and differential rebuild procedures Diagnostics: Engine management diagnostics, electrical system troubleshooting using wiring diagrams Technical Depth Depth: Comprehensive A-Z coverage, suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format Compatibility: Compatible with all PC & MAC computers, tablets, and smartphones via Adobe Reader Print Quality Quality: High quality scans with clear text and images, printable by chapter or full document Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options: Wide range including 1.4L, 1.7L, 1.7L (16V), 2.0L, 2.0L (16V), 2.1L Diesel, 2.1L Turbo Diesel, and 2.9L V6 (PRV) in Quadra variants. Specific engine codes include E6J, F3N, F7N, J7R, J7T, ZDJL, J8S. Performance Typical Hp Range: 65 hp (1.4L) to 175 hp (2.0L Turbo Quadra V6). Fuel System Injection Types: Carburetor (e.g., Solex, Weber) on lower-spec models, Bosch K-Jetronic (CIS), Bosch L-Jetronic, and Motronic injection systems on performance and later models. 🔧 Transmission Standard Type: 5-speed manual transmission was standard on most models. Optional Type: 3-speed or 4-speed automatic transmission was available on many engine variants. Features Drivetrain: Front-wheel drive (FWD) was standard. Renault's Quadra all-wheel-drive (AWD) system was an option on higher-performance models, particularly the 2.0i Quadra and the V6 Turbo Quadra. 📐 Dimensions Exterior Length Width Height: Varies by body style. Saloon/Hatchback approx. 4440mm L x 1720mm W x 1400mm H; Estate approx. 4680mm L x 1720mm W x 1460mm H. Cargo Luggage Capacity: Generous for its class, especially in the estate form. Specific figures vary but typically around 450-500 liters for saloon/hatchback and over 550 liters for the estate. Weights Curb Weight Range: Approx. 1100 kg to 1500 kg depending on engine and body style. 🛡️ Safety Features Ratings Crash Test Results: No official Euro NCAP ratings from its era, but generally considered robust for its time. European crashworthiness tests of the period indicated reasonable structural integrity. Active Features ABS: Anti-lock Braking System (ABS) was an optional feature on higher-trim models from the late 1980s onwards. Passive Features Seatbelts: Standard three-point seatbelts, with some later models featuring pre-tensioners. Front and side impact beams. 💡 Technology Features Infotainment Audio Systems: Factory fitted radios with cassette players were common. Speaker locations and wiring are covered in the electrical section. Driver Assistance Cruise Control: Optional on higher-end models, particularly those with fuel injection and automatic transmissions. Connectivity Diagnostics Ports: Early diagnostic ports (e.g., OBD-I or proprietary Renault diagnostics) are covered. The manual will guide on accessing and interpreting diagnostic codes for engine management and other systems. 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-10,000 km or 6-12 months, depending...