🏷️ Basic Information Identification Make: Ford Model: Sierra RS Cosworth Years Covered: 1986-1992 Codes Platform Code: Sierra Mk1/Mk2 Engine Codes Associated: Cosworth YB 👋 Introduction Market Position Target Audience: Ford Sierra RS Cosworth owners, enthusiasts, mechanics, restorers Competitive Analysis Authenticity: Genuine Factory Manual (Not 3rd Party) Key Features Content Value: Enables self-servicing, saving significant labor costs compared to professional shops Usability: Easy to use interface, searchable text, printable pages for on-the-go referencing Benefit: Empowers owners to perform maintenance and repairs with factory-level knowledge 📋 Manual Details Coverage Areas Primary Coverage: Complete Factory Service & Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Rebuilding Page Count Estimated Pages: Hundreds (Specific count not provided, but described as comprehensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine Service/Repair, Transmission Service/Repair, Differential/Drive, Axle Chassis: Brake System, Suspension, Steering, Chassis/Body Electrical And Electronics: Wiring Diagram, Electrical System, Engine Control System Comfort And Climate: Heater/Air Conditioning Emission And Fuel: Fuel Injection/Fuel System, Emission System Interior And Safety: Restraint System, Interior Procedures Included Maintenance: General Maintenance, Periodic Lubrication Diagnostics And Repair: Troubleshooting, Complete Diagnostic and Repair Procedures Rebuilding And Restoration: Rebuild, Refurbish, Restore Vehicle Components Engine Mechanical: Engine assembly/disassembly, cylinder head removal/installation, piston and connecting rod service, crankshaft service, timing belt replacement. Fuel System Repair: Fuel pump testing/replacement, injector servicing, fuel pressure regulator diagnosis, fuel tank removal/installation. Brake System Service: Brake pad/shoe replacement, caliper overhaul, disc rotor replacement, brake line inspection/replacement, ABS system diagnostics. Electrical Diagnostics: Troubleshooting starter motor, alternator, ignition system, lighting, dashboard instruments, ECU diagnostics. Suspension And Steering Repair: Ball joint replacement, shock absorber/strut replacement, wheel bearing service, steering rack overhaul, power steering pump diagnosis. Cooling System Service: Radiator inspection/replacement, water pump removal/installation, thermostat replacement, fan operation diagnosis. Chassis And Body Repair: Body panel alignment, door mechanisms, hood and trunk latches, bumper repair, frame inspection. HVAC Service: Blower motor testing, heater core access, air conditioning system diagnostics (refrigerant handling not detailed due to safety/legal reasons typically). Transmission And Drivetrain Service: Clutch inspection/replacement, gearbox fluid change, driveshaft U-joint inspection, differential inspection. Technical Depth Depth: Comprehensive (Factory Trained Technician Level) Detail Level: Step-by-step instructions, detailed illustrations, diagrams, photos, inset views for parts examination Torque Specifications: Detailed torque values for critical fasteners across all systems. Alignment Procedures: Wheel alignment specifications and adjustment procedures. Diagnostic Charts: Comprehensive troubleshooting charts for identifying and resolving common issues. 📊 Manual Specifications File Format Format: PDF Compatibility: Windows, macOS Print Quality Printability: Printable without restriction (entire manual or selected pages) Resolution: High Resolution Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Delivery Method Delivery: Instant Download Link Post-Payment Software Requirements Reader: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: Cosworth YB 2.0L DOHC Turbocharged Inline-4 Performance Horsepower Range: Approx. 204-230 bhp (depending on specific year/variant) Torque Range: Approx. 275-300 Nm Fuel System Induction: Bosch L-Jetronic Fuel Injection (later models may have updated systems) Turbocharger: Garrett AiResearch T3 (with intercooler) Lubrication Oil Type Specification: Ford recommends specific viscosity grades (e.g., 5W-30 or 5W-40 synthetic) for turbocharged engines. Consult manual for exact specification and API/ACEA ratings. Cooling System Coolant Type: Ethylene Glycol based coolant with corrosion inhibitors (Ford specification). 🔧 Transmission Standard Type: 5-Speed Manual Transaxle (Getrag 265) Optional Type: None standardly offered for RS Cosworth models Features Drive Layout: Rear-Wheel Drive (RWD) with viscous coupling limited-slip differential Fluid Specifications Gearbox Oil: Specific manual transmission fluid (e.g., API GL-4 or GL-5, consult manual for exact Ford specification). 📐 Dimensions Exterior Body Styles: 3-door Hatchback (most common for RS Cosworth), 5-door Hatchback (less common), Saloon (Sedan) Weights Curb Weight Range: Approx. 1200-1300 kg 🛡️ Safety Features Ratings Historical Safety Standards: Reflects safety standards of the late 1980s and early 1990s, likely not subjected to modern NCAP or IIHS testing. Active Features Braking System: Ventilated front disc brakes, solid rear disc brakes (often with ABS on later models) Passive Features Seatbelts: Standard 3-point seatbelts Restraint System: Covered in manual includes seatbelts, potentially driver airbag on some later variants. 💡 Technology Features Infotainment Audio System: Period-appropriate Ford sound systems, often with cassette player and optional CD. Manual covers basic operation and troubleshooting. Driver Assistance ABS: Anti-lock Braking System available on some later models. Manual covers operation and troubleshooting. Connectivity Connectivity Features: None in the modern sense. Focus is on mechanical and electrical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 6,000-10,000 miles or 12 months (refer to manual for precise recommendation based on usage). Spark Plug Replacement: Intervals vary, often around 20,000-30,000 miles for performance plugs. Manual will specify. Fluid Specifications Brake Fluid Type: DOT 3 or DOT 4 brake fluid (refer to manual for exact Ford specification). Power Steering Fluid: Specific power steering fluid (refer to manual). Known Issues Common Problems: Turbocharger wear, head gasket issues (if...