🏷️ Basic Information Identification Make: Renault Model: R21 / Nevada Year: 1990 Codes Chassis Code: L48 (Hatchback/Saloon), K48 (Nevada/Estate) 👋 Introduction Market Position Positioning: A robust family car and estate offering from Renault in the late 1980s and early 1990s, competing with models like the Ford Sierra, Opel/Vauxhall Cavalier, and Peugeot 405. Competitive Analysis Strengths: Known for its comfortable ride, spacious interior (especially the Nevada), and distinctive styling. Offered a range of efficient and powerful engines. Key Features Design: Pininfarina-designed exterior, often praised for its aerodynamic and modern appearance. Aerodynamic drag coefficient was notable for its time. 📋 Manual Details Coverage Areas Coverage Scope: All models and all repairs A-Z Vehicle Specific: Yes, vehicle-specific information, not generic. Technician Use: Exact manual used by dealership technicians. Page Count Page Count: Estimated 500+ pages (typical for comprehensive service manuals of this era). Manual Type Manual Type: Service and Repair Manual Language Language: English (assumed based on typical market distribution, specific language might vary) Format Format: Likely printed manual, potentially available as a PDF scan for digital distribution. 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, rebuild procedures, cylinder head, pistons, crankshaft, camshafts, timing systems. Engine Management: Fuel injection systems (e.g., Bosch L-Jetronic, Motronic), ignition systems, emissions control systems, sensors, actuators, ECU diagnosis. Transmission Manual: Manual transmission service, clutch replacement, gearbox overhaul, shift linkage. Transmission Automatic: Automatic transmission service, fluid changes, torque converter, planetary gearsets, valve body. Suspension Steering: Front and rear suspension systems, shock absorbers, springs, control arms, steering rack, power steering pump, wheel alignment specifications. Brakes: Brake system components (discs, pads, calipers, master cylinder, wheel cylinders), hydraulic system, ABS (if equipped), bleeding procedures, parking brake. Electrical System: Battery, alternator, starter motor, lighting systems, wipers, horn, fuses, relays, wiring diagrams. Body And Chassis: Body panel removal and installation, door mechanisms, glass replacement, interior trim, chassis components. Heating Ventilation Ac: HVAC system components, refrigerant handling (if applicable), blower motor, climate control unit, heater core, A/C compressor. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid level checks, spark plug replacement, belt adjustments. Troubleshooting: Diagnostic charts, symptom-based troubleshooting guides, common fault diagnosis. Repair: Detailed step-by-step repair instructions for all major systems. Diagnostics: Engine performance diagnosis, electrical system troubleshooting, emissions related issues. Engine Tune Up: Detailed procedures for ignition timing, carburetor/fuel injection adjustments, idle speed settings. Wheel Alignment: Precise specifications and adjustment procedures for front and rear wheel alignment (camber, caster, toe). Exhaust System: Inspection, repair, and replacement of exhaust components, including manifold, pipes, catalytic converter (if fitted), and silencers. Bodywork Repair: Guidelines for minor body repairs, panel replacement, rust treatment, and anti-corrosion measures. Diagnostic Tools: Information on specific diagnostic tools or methods required for engine management systems of the era. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds. Information Type: Includes torque specifications, clearances, diagnostic trouble codes (DTCs), wiring schematics. Torque Specifications: Comprehensive list of torque values for all critical fasteners across all major systems. Clearances And Tolerances: Detailed specifications for engine component clearances (e.g., piston-to-bore, bearing clearances), valve clearances, and other critical tolerances. 📊 Manual Specifications File Format File Format: Likely PDF (for digital) or printed book. Print Quality Print Quality: High quality, clear diagrams and text (for original or good quality scans). Binding Type Binding Type: Perfect bound or spiral bound (typical for workshop manuals). Paper Type Paper Type: Durable paper stock, often glossy for diagrams and schematics. ⚙️ Engine Specifications Primary Engine Engine Options 1990: 1.7L (J7T) petrol, 2.0L (J7R) petrol, 2.1L (J8S) Diesel, 2.1L (J8S) Turbo Diesel. Engine Family: Renault J-Type engines. Performance 2.0L (J7R) Power: Approximately 108-110 PS (metric horsepower). 2.1L Turbo Diesel Torque: Good low-end torque, suitable for towing and cruising in the Nevada variant. Fuel System Injection Petrol: Typically multi-point fuel injection (MPFI) for 2.0L, possibly single-point for some 1.7L variants. Injection Diesel: Indirect injection (IDI) with mechanical injection pump (e.g., Bosch VE). 🔧 Transmission Standard Transmission Standard: 5-speed manual transmission. Optional Transmission Optional: 3-speed or 4-speed automatic transmission (depending on market and engine). Features Drivetrain: Front-wheel drive (FWD). 📐 Dimensions Exterior Wheelbase: Approximately 2700 mm (106.3 in). Length Nevada: Around 4540 mm (178.7 in). Cargo Cargo Volume Nevada: Significantly large cargo capacity for its class, a key selling point of the Nevada estate. Weights Curb Weight: Varies by engine and trim, generally around 1150-1300 kg (2535-2866 lbs). 🛡️ Safety Features Ratings Safety Era: Reflects safety standards of the late 1980s/early 1990s; structural integrity was a focus. Active Features ABS: Anti-lock Braking System (ABS) was available as an option on higher trims and certain engine variants. Passive Features Airbags: Driver's airbag was an option, not standard on all models. Seatbelts: Front and rear seatbelts, pre-tensioners may have been fitted on some models. 💡 Technology Features Infotainment Audio System: Basic factory fitted radio/cassette player, with provisions for aftermarket...