🏷️ Basic Information Identification Make: Renault Model: R21 / Nevada Year: 1989 Codes Chassis Code: L48 (Hatchback), K48 (Saloon), V48 (Nevada/Estate) Engine Codes: J7T (2.0L), J6R (2.2L), J8S (2.1L Diesel/Turbo Diesel) 👋 Introduction Market Position Market Segment: Family car, executive car (R21 Saloon/Hatchback), estate car (Nevada) Competitive Analysis Key Competitors: Ford Sierra, Vauxhall/Opel Vectra/Cavalier, Peugeot 405, Citroen BX, Volkswagen Passat Key Features Vehicle Strengths: Spacious interior, comfortable ride, practical Nevada estate variant, modern styling for its era, available with advanced features like ABS and multi-valve engines Manual Value Proposition: Provides technicians and knowledgeable owners with the specific, detailed information required for accurate diagnosis and repair, mirroring the resources used by authorized dealers, ensuring high-quality maintenance and longevity. 📋 Manual Details Coverage Areas Coverage Scope: All models, all repairs A-Z, vehicle specific Page Count Page Count: N/A (indicative of comprehensive dealership-level content) Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: Likely Printed (traditional format for dealer manuals of this era) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical (J7T 2.0i, J6R 2.2i, J8S 2.1D/TD), fuel injection (Bosch Motronic, Renix), ignition, cooling, lubrication, exhaust Transmission Systems: Manual gearbox (JB, JFC, JR), automatic gearbox (AD4), clutch, drive shafts, differentials Brake Systems: Front and rear disc brakes, ABS (optional), hydraulic systems, parking brake Electrical Systems: Wiring diagrams, battery, alternator, starter motor, lighting, instrumentation, body electronics, fuses and relays Suspension Steering: Front MacPherson struts, rear trailing arm independent suspension, power steering, steering column Bodywork Chassis: Body shell construction, door mechanisms, glass, seals, interior trim, bumpers, body repairs HVAC Systems: Heating, ventilation, and air conditioning (if equipped) Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug checks/replacements, fluid level checks, belt adjustments, brake pad/disc replacement, coolant flushes Repair Procedures: Engine overhaul, gearbox rebuild, clutch replacement, suspension component replacement, brake system bleeding, electrical component diagnostics and replacement, body panel repair Troubleshooting Diagnostics: Fault finding guides, diagnostic flowcharts, common problem identification and solutions Specifications Data: Torque values, clearances, fluid capacities, electrical resistance values, diagnostic trouble codes (DTCs) Technical Depth Depth Of Information: Comprehensive dealership-level, covering routine maintenance to full engine and transmission rebuilds, including electrical system schematics and diagnostic procedures 📊 Manual Specifications File Format Digital Format Quality: N/A (if printed, focus on print quality) Print Quality Print Quality: Professional dealership standard (expect clear diagrams, crisp text) Binding Type Binding Type: Likely Spiral-bound or Hardcover (designed for durability in a workshop environment) Paper Type Paper Type: Durable, glossy paper stock (resistant to grease and oil smudges) ⚙️ Engine Specifications Primary Engine Engine Options: 2.0i (J7T), 2.2i (J6R), 2.1 Diesel (J8S), 2.1 Turbo Diesel (J8S) Performance 2.0I Horsepower: Approx. 105-110 PS (depending on injection system) 2.2I Horsepower: Approx. 125-130 PS 2.1D Horsepower: Approx. 65-70 PS 2.1Td Horsepower: Approx. 85-90 PS Fuel System 2.0I Fuel System: Electronic Fuel Injection (Bosch Motronic, Renix) 2.2I Fuel System: Electronic Fuel Injection (Bosch Motronic) Diesel Fuel System: Indirect injection via Bosch VE rotary injection pump Engine Layout Engine Layout: Transverse, front-wheel drive Engine Codes Detail J7T Engine Description: 2.0L (1995cc) inline-4, 8-valve OHC (later models featured 12-valve) J6R Engine Description: 2.2L (2165cc) inline-4, 8-valve OHC J8S Engine Description: 2.1L (2068cc) inline-4, naturally aspirated or turbocharged, overhead camshaft 🔧 Transmission Standard Standard Transmission: 5-speed manual gearbox (e.g., JB, JFC) Optional Optional Transmission: 4-speed automatic gearbox (e.g., AD4) Features Transmission Cooling: Automatic transmission fluid cooler integrated into radiator (if equipped) Gear Ratios Gear Ratio Information: Detailed gear ratios for all manual and automatic transmissions are provided in the manual. 📐 Dimensions Exterior Body Styles: 5-door Hatchback (L48), 4-door Saloon (K48), 5-door Estate (V48 'Nevada') Wheelbase: 2600 mm (approximately) Length: R21 Saloon: ~4440 mm; Nevada: ~4570 mm Width: R21: ~1730 mm; Nevada: ~1730 mm Height: R21: ~1440 mm; Nevada: ~1490 mm Cargo Nevada Cargo Volume: Significant cargo capacity, detailed figures available in manual. Weights Curb Weight: Varies by model and engine, typically 1150-1300 kg 🛡️ Safety Features Ratings Crash Test History: Limited official crash test data readily available for this era; Euro NCAP did not exist. Manual covers safety systems relevant to the period. Active Features ABS: Anti-lock Braking System (ABS) was an optional feature on higher trims. Passive Features Seatbelts: Standard three-point seatbelts, potentially front seatbelt pre-tensioners on later models. โครงสร้าง: Reinforced safety cage, crumple zones designed for impact absorption. 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette players (various manufacturers, e.g., Clarion, Philips) with basic speaker systems. Manual covers basic radio removal/installation and speaker wiring. Driver Assistance ABS System: Optional ABS system (Bosch) requires specific diagnostic procedures and component knowledge, detailed in the manual. Connectivity Central Locking: Optional central locking system, covered in the electrical section of the manual. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 km or 12 months (refer to manual for specific engine/oil type). Timing Belt Replacement: Crucial for J7T, J6R, and...