🏷️ Basic Information Identification Make: Lada Model: Niva Model Aliases: Lada 4x4, VAZ-2121 Generation Primary Generation Covered: All Generations (Original VAZ-2121 through subsequent updates) Codes Chassis Codes: VAZ-2121, VAZ-21213, VAZ-21214, VAZ-2131, VAZ-2329 👋 Introduction Market Position Market Positioning: Affordable, rugged, go-anywhere utility vehicle with a loyal following Competitive Analysis Key Competitors Historical: Jeep CJ, early Land Rover Defender, UAZ-469, Suzuki Samurai Key Features Unique Selling Proposition: Permanent four-wheel drive, locking center differential, robust construction, simplicity Target Audience Primary User: Lada Niva owners, professional mechanics, DIY enthusiasts 📋 Manual Details Coverage Areas Primary Coverage Areas: Global (all markets where Lada Niva was officially or unofficially sold) Page Count Estimated Page Count: Hundreds (specific number not provided, but described as comprehensive) Manual Type Manual Type: Workshop Service Manual / Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, disassembly, assembly, timing, cooling system, lubrication system Fuel System: Fuel injection systems (EFI), Carburetor systems (earlier models), fuel pump, fuel filter, fuel tank Ignition System: Spark plugs, ignition coils, distributor (older models), electronic ignition control Transmission Drivetrain: Manual gearbox (4-speed, 5-speed), transfer case, differentials (front, rear), driveshafts, CV joints Suspension Steering: Front independent suspension (coil springs, control arms), rear live axle (coil springs, trailing arms), shock absorbers, steering rack, power steering (later models) Brakes: Front disc brakes, rear drum brakes, brake system diagnostics, bleeding, component replacement Electrical System: Battery, alternator, starter motor, lighting systems, wiring diagrams, fuses, relays, dashboard indicators Bodywork Chassis: Body panel repair, rust prevention, frame structure, door mechanisms, interior trim removal/installation HVAC: Heating system, ventilation, air conditioning (later models) Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, lubrication points, tire rotation Repair Procedures: Step-by-step repair instructions for all major systems Troubleshooting: Diagnostic procedures for common and uncommon problems, symptom-based fault finding Overhaul Procedures: Complete engine, gearbox, and differential rebuild instructions Electrical Diagnostics: Wiring diagram interpretation, circuit testing, component diagnostics Technical Depth Technical Depth: Comprehensive (suitable for professional technicians and advanced DIY enthusiasts) 📊 Manual Specifications File Format File Type: PDF Print Quality Print Capabilities: Full Printable Binding Type Binding Type: Digital Download (PDF) Paper Type Paper Type Suitability: Printable on standard paper sizes Viewing Requirements Software Requirements: Adobe PDF Reader, WinRAR Compatibility Operating System Compatibility: All Versions of Windows & Mac Interactivity Zoom Functionality: YES ⚙️ Engine Specifications Primary Engine Engine Type Common: Inline 4-cylinder, naturally aspirated gasoline Common Engine Displacement: 1.6L (1570cc), 1.7L (1690cc), 1.8L (1774cc - Opel engine in some variants) Engine Block Material: Cast Iron Cylinder Head Material: Aluminum Alloy Performance Typical Horsepower Range: 70-80 hp (for 1.6L/1.7L early models), up to 90-100 hp (later models with EFI and larger engines) Typical Torque Range: 110-130 Nm Fuel System Fuel Delivery Early: Carburetor (e.g., Weber 32 DFM) Fuel Delivery Later: Electronic Fuel Injection (EFI) Cooling System Cooling Type: Liquid-cooled 🔧 Transmission Standard Transmission Type Standard: 4-speed Manual (early models), 5-speed Manual (later models) Optional Transmission Type Optional: Automatic transmission not a standard factory option for most Niva models. Features Drivetrain Configuration: Permanent Four-Wheel Drive with center differential lock Transfer Case: 2-speed transfer case with low-range gearing Fluid Specifications Gearbox Oil Type: API GL-4, SAE 75W-90 or 80W-90 (check specific model for precise recommendation) Transfer Case Oil Type: API GL-4, SAE 75W-90 or 80W-90 (check specific model for precise recommendation) 📐 Dimensions Exterior Length: Approx. 3.7m (3-door), Approx. 4.2m (5-door) Width: Approx. 1.7m Height: Approx. 1.6m Wheelbase: Approx. 2.1m (3-door), Approx. 2.7m (5-door) Weights Curb Weight: Approx. 1200-1300 kg Gross Vehicle Weight: Approx. 1800-1900 kg Towing Capacity: Varies by model and region, generally around 500-700 kg unbraked, up to 1200-1500 kg braked 🛡️ Safety Features Ratings Crash Test Ratings Modern: Generally considered poor by modern safety standards (e.g., Euro NCAP results from early 2000s were often 1-2 stars) Active Features Active Safety Features: Basic braking system, 4WD with low range for off-road control Passive Features Passive Safety Features: Seatbelts, basic chassis structure Known Issues Safety Common Safety Concerns: Lack of modern airbags, ABS, or advanced driver assistance systems in many older models; structural integrity relative to modern vehicles. 💡 Technology Features Infotainment Infotainment Features Early: Basic AM/FM radio, cassette player (optional). Infotainment Features Later: Improved radio systems, some models may have basic CD players. Driver Assistance Driver Assistance Systems: None in most older models. Later models might feature basic power steering. Connectivity Connectivity Options: Primarily basic 12V accessory sockets. 🔧 Maintenance Service Intervals Engine Oil Change Interval: Typically 5,000-10,000 km or 6-12 months (depending on usage and oil type) Transmission Fluid Change Interval: Typically 40,000-60,000 km for gearbox and transfer case Spark Plug Replacement Interval: Typically 20,000-40,000 km Fluid Specifications Engine Oil Specifications: Refer to manual; commonly 10W-40 or 15W-40 API SG/SH/SJ or higher for gasoline engines. Later EFI engines may require specific API specifications. Coolant Type: Ethylene glycol-based...