🏷️ Basic Information Identification Make: Škoda Model: Estelle Model Variants: 105, 120, 130, 136 Production Years Covered: 1977-1989 Codes Chassis Codes: Typ 742 (105, 120, 130, 135, 136) 👋 Introduction Market Position Positioning: The Škoda Estelle series represented a significant evolution for Škoda, building upon the rear-engined platform of its predecessors. This manual is essential for owners and independent workshops seeking to maintain and repair these robust Eastern Bloc vehicles. Competitive Analysis Competitors Historical: Competed against other affordable European sedans of its era, such as the Lada Riva (VAZ-2105), Ford Escort (Mk III/IV), Opel Kadett (D/E), and Fiat Regata. Key Features Manual Value Proposition: Provides the same critical, in-depth information used by dealership technicians, enabling DIY enthusiasts and independent mechanics to perform comprehensive repairs and maintenance. 📋 Manual Details Coverage Areas General Coverage: All models and all repairs A-Z for Škoda Estelle 105, 120, 130, 136 (1977-1989). Page Count Estimated Page Count: Extensive, likely several hundred pages (typical for comprehensive workshop manuals). Manual Type Type: Service Repair Workshop Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanicals (cylinder head, block, pistons, crankshaft, camshaft), fuel system (carburetor, fuel pump, lines), ignition system, cooling system, exhaust system. Transmission Drivetrain: Clutch, gearbox (manual), driveshafts, rear axle differentials. Suspension Steering: Front and rear suspension (independent front, semi-trailing arm rear), steering system (rack and pinion), wheel alignment specifications. Brakes: Front disc brakes, rear drum brakes, hydraulic system, parking brake, brake fluid specifications. Electrical: Wiring schematics for all systems, lighting, instrumentation, charging system (alternator, battery), starting system, ignition switch, fuses, relays. Bodywork: Body panel repair, door mechanisms, window regulators, interior trim, exterior trim, ventilation and heating system. Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement, fluid level checks, belt adjustments, lubrication points. Diagnostics: Troubleshooting guides for common problems, symptom-based diagnosis. Repair: Step-by-step instructions for component removal, overhaul, installation, and adjustment. Overhaul: Detailed procedures for engine rebuilds, gearbox overhauls, and other major component rebuilds. Troubleshooting Charts: Likely includes detailed troubleshooting charts correlating symptoms to potential causes and repair actions. Technical Depth Depth: Factory highly detailed, technician-level repair manual. Covers everything from basic maintenance to complex diagnostics and full rebuilds. Diagrams Illustrations: Includes diagrams, illustrations, and step-by-step instructions for clarity. Wiring Schematics: Comprehensive wiring schematics are a key component, vital for electrical system diagnosis and repair. 📊 Manual Specifications File Format Compatibility: Compatible with all versions of Windows PC, Tablet & Mac. Requires Adobe PDF Reader. Delivery Method: Instant Download Platform Compatibility: Windows, Mac, Tablets Print Quality Printability: All pages are printable. Images can be blown up and printed as enlarged copies. Binding Type Binding: Digital (PDF Download) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder, Overhead Valve (OHV) Performance 105 Engine Displacement: 1.05 Liters (1046 cc) 120 Engine Displacement: 1.2 Liters (1174 cc) 130 Engine Displacement: 1.3 Liters (1289 cc) 135 Engine Displacement: 1.3 Liters (1289 cc) - often with twin-barrel carburetor 136 Engine Displacement: 1.3 Liters (1289 cc) - often with twin-barrel carburetor and improved output Estimated Hp Range: Approximately 40-55 hp depending on model and tuning. Cylinder Head Design: Cast iron block and head, OHV pushrod actuated valves. Fuel System Fuel Delivery: Solex or Jikov carburetors (single or twin-barrel depending on model and year). Cooling System Cooling Type: Water-cooled, front-mounted radiator with fan. 🔧 Transmission Standard Gearbox Type: 4-speed or 5-speed manual transmission. Optional Automatic Transmission: Not commonly available or factory-fitted. Features Drive Layout: Rear-engine, rear-wheel drive. Clutch Type: Dry single-plate diaphragm spring clutch. 📐 Dimensions Exterior Body Styles: 4-door sedan. Wheelbase Mm: Approx. 2400 mm Length Mm: Approx. 4200 mm Width Mm: Approx. 1600 mm Height Mm: Approx. 1400 mm Weights Curb Weight Kg Range: Approx. 900-1000 kg 🛡️ Safety Features Ratings Crash Safety Era Context: Reflects safety standards of its era; likely basic structural integrity with crumple zones. Detailed official crash ratings from modern bodies are unlikely. Active Features Brakes Type: Front disc, rear drum (non-assisted standard, servo-assisted optional/later models). Suspension Stability: Independent front suspension, semi-trailing arm rear suspension contribute to ride and handling characteristics. Passive Features Seatbelts: Provision for front seatbelts (three-point inertia reel on later models), lap belts for rear occupants. Safety Structure: Reinforced body structure for the period. 💡 Technology Features Infotainment Infotainment System: Basic AM/FM radio (optional). No complex infotainment systems. Driver Assistance Driver Assistance Features: None by modern standards. Basic instrumentation and controls. Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Oil Change Interval Km: Typically 5,000-7,500 km or annually, whichever came first (refer to manual for exact specifications). Spark Plug Replacement Interval Km: Variable, often around 15,000-20,000 km, depending on plug type. Fluid Specifications Engine Oil Type: API SE/SF or equivalent, viscosity grades like 15W-40 or 20W-50 common (refer to manual). Coolant Type: Ethylene glycol-based antifreeze mixture. Brake Fluid Type: DOT...