🏷️ Basic Information Identification Make: Ford Model: Sierra RS Cosworth Production Years Covered: 1986-1992 Codes Internal Chassis Code: Sierra Mk1/Mk2 RS Cosworth 👋 Introduction Market Position Intended Audience: Ford Sierra RS Cosworth owners and independent mechanics Competitive Analysis Manual Quality: Professional Quality, top quality, original factory manual equivalent Key Features Value Proposition: Save significant money on repair bills by performing DIY maintenance and repairs. Usability: Easy to follow directions, detailed illustrations, pictures, and numbered instructions. 📋 Manual Details Coverage Areas Primary Coverage: All Models/Engines/Trim/Transmissions Types Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but described as comprehensive) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine Service Repair: Yes Transmission Service Repair: Yes Brake System: Yes Wiring Diagram: Yes Electrical System: Yes Suspension: Yes Periodic Lubrication: Yes Steering: Yes Cooling System: Yes Fuel Injection Fuel System: Yes Emission System: Yes Heater Air Conditional: Yes Engine Control System: Yes Chassis Body: Yes Restraint System: Yes Interior: Yes Differential Drive: Yes Axle: Yes Procedures Included General Maintenance: Yes Troubleshooting: Yes Detailed Repair Procedures: Yes Diagnostic Procedures: Yes Disassembly Assembly: Yes Cleaning Reinstalling: Yes Technical Depth Depth Of Information: Comprehensive (used by local service/repair shops, includes detailed diagrams, substeps, notes, cautions, warnings) 📊 Manual Specifications File Format Printable: Full Printable Zoom Functionality: YES Requirements: Adobe PDF Reader & WinZip Compatibility: All Versions of Windows & Mac Binding Type Binding Type: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type: Cosworth YB Turbocharged Inline-4 (2.0L) Performance Horsepower Range: Approximately 204-220 bhp (depending on specific model year and market) Torque Range: Approximately 240-243 lb-ft (depending on specific model year and market) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Turbocharging Engine Management Engine Control: ECU controlled ignition and fuel injection 🔧 Transmission Standard Transmission Type: 5-speed Manual (Getrag Type 265) Optional Optional Transmission: None commonly offered for RS Cosworth variants Features Drive Layout: Rear-Wheel Drive (RWD) 📐 Dimensions Exterior Body Styles: 3-door hatchback, 4-door sedan (Sapphire RS Cosworth) Weights Curb Weight: Approx. 1260-1300 kg (3-door), 1300-1350 kg (4-door) 🛡️ Safety Features Ratings Safety Features: Seatbelts, crumple zones, robust chassis construction (specific ratings not detailed in product info) 💡 Technology Features Infotainment Original Infotainment: Basic radio cassette player, often with optional amplifier systems. Driver Assistance Driver Assistance Features: Limited to ABS brakes on later models; no electronic stability or traction control. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 6,000-10,000 miles or 6-12 months (refer to manual for exact specifications) Fluid Specifications Engine Oil Specification: API SG/SH or ACEA A2/A3, 10W-40 or 5W-40 synthetic recommended (refer to manual for exact specifications) Coolant Specification: Ethylene glycol-based antifreeze, 50/50 mix with distilled water (refer to manual for exact specifications) Transmission Fluid Specification: API GL-4 or GL-5, SAE 75W-90 or 80W-90 gear oil (refer to manual for exact specifications) Known Issues Common Problems: Head gasket failures (especially on early models), turbocharger issues, ignition module failures, rust/corrosion, electrical gremlins. 📚 Vehicle History Brand Heritage Ford Motorsport: Developed by Ford's motorsport division for homologation purposes. Model Evolution Generation Overview: Based on the Ford Sierra platform, extensively re-engineered for performance. Production Manufacturing Location: Ford Genk, Belgium Production Volume: Significant, but limited compared to standard Sierra models due to specialist nature. 🏆 Awards & Recognition Recognitions Motorsport Legacy: Iconic status in motorsport, particularly in Group A racing and rallying. Ratings Performance Reviews: Widely praised for its performance and handling by automotive press of the era.