Model:
Sierra RS Cosworth / Escort RS Cosworth
Engine Codes Sierra Cosworth:
YBG (2.0L DOHC Turbocharged I4)
Engine Codes Escort Cosworth:
909C (2.0L DOHC Turbocharged I4)
Target Audience:
Ford Sierra RS Cosworth and Escort RS Cosworth owners, mechanics, automotive technicians, and enthusiasts
Manual Advantage:
Comprehensive, factory-level data, instant access, cost-effective compared to physical manuals
Technical Accuracy:
Retains original manufacturer technical data, including circuits and diagrams
User Friendliness:
Suitable for all levels of technical expertise, from beginners to professionals
Countries Of Operation:
Primarily Europe (UK, Germany, etc.)
Estimated Page Count:
Thousands of pages (as stated in product description, likely multi-volume equivalent)
Manual Type:
Factory Service Repair Manual
Delivery Method:
Instant Download
Engine Mechanical:
Engine Overhaul, Cylinder Head, Block, Crankshaft, Pistons, Rings, Valves, Camshafts
Engine Management:
Fuel Injection System, Engine Control System (ECU), Ignition System, Emissions System
Transmission Drivetrain:
Manual Transmission (Type 9 / MT75), Differential, Drive Axles, Clutch System
Brakes:
Front and Rear Brakes (Disc Brakes), ABS System (if equipped), Hydraulic Lines, Parking Brake
Suspension Steering:
Front and Rear Suspension (MacPherson Struts, Multi-link Rear), Power Steering System, Wheel Alignment
Electrical System:
Wiring Diagrams, Lighting System, Starting and Charging System, Fuses, Relays, ECU Connectors
Cooling Heating Ac:
Cooling System (Radiator, Thermostat, Water Pump), HVAC System (Heater, Air Conditioning)
Fuel System:
Fuel Tank, Fuel Pump, Fuel Lines, Fuel Filter, Fuel Injection Components
Body Chassis:
Chassis and Body Repair, Exterior Panels, Interior Trim, Doors, Hood, Trunk
Safety Restraint:
Seat Belts, Airbags (if equipped), Restraint System Components
Maintenance Procedures:
General Maintenance, Periodic Lubrication, Fluid Changes, Filter Replacements, Belt Adjustments
Troubleshooting:
Diagnostic Flowcharts, Fault Finding, Common Problems and Solutions
Repair Procedures:
Step-by-step disassembly and reassembly of all major components and systems
Diagnostics:
Engine diagnostics, electrical system diagnostics, component testing
Depth Of Coverage:
Complete factory-level repair and diagnostic information, suitable for professional technicians and advanced enthusiasts
PDF Quality:
High Quality, Printable
Searchability:
Likely searchable text within PDF (depending on original scan quality)
Print Compatibility:
Printable pages at high quality
Binding Type:
Not applicable (Digital Download)
Paper Type:
Not applicable (Digital Download)
Software Requirements:
Adobe PDF Reader, WinZip or equivalent unzipper
Engine Type Sierra:
2.0L (1998cc) DOHC Turbocharged Inline-4 (Cosworth YBG)
Engine Type Escort:
2.0L (1998cc) DOHC Turbocharged Inline-4 (Cosworth 909C)
Horsepower Sierra:
Approximately 220-230 PS (162-170 kW) depending on variant and market
Horsepower Escort:
Approximately 227-230 PS (167-169 kW) depending on variant and market
Torque Nm:
Around 300-330 Nm (221-243 lb-ft) depending on variant
Fuel Delivery:
Multi-point Fuel Injection (MPI) with Turbocharging and Intercooler
Ignition System:
Electronic Ignition System (Distributorless or Distributor-based depending on specific Ecu)
Crash Test Data:
Euro NCAP ratings not generally available for this era; specific crashworthiness dependent on base model and chassis strengthening
Active Safety:
Anti-lock Braking System (ABS) - often standard or optional depending on year and market
Passive Safety:
Seat Belts, Energy-Absorbing Steering Column, Reinforced Chassis
Audio System:
Basic AM/FM Radio Cassette Player, with optional CD Player in later models.
Driver Assistance Features:
Limited by modern standards; ABS was the primary driver assistance feature.
Connectivity Features:
None by modern standards (no Bluetooth, USB, or integrated navigation).
Oil Change Interval:
Typically every 6,000-10,000 miles or 12 months, whichever comes first (consult manual for specific details)
Spark Plug Replacement:
Recommended replacement at intervals such as 30,000-60,000 miles, depending on plug type and engine condition.
Engine Oil Specification:
API SG/SH or ACEA A2/A3 rated, viscosity typically 5W-30 or 10W-40 (refer to manual for exact OEM recommendations and alternatives)
Coolant Specification:
Ethylene Glycol based coolant, typically a 50/50 mix with distilled water. Ford specification WSS-M97B44-D or equivalent.
Transmission Fluid Specification:
Manual Transmission Fluid (MTF) - e.g., SAE 75W-90 GL-4 or GL-5. Consult manual for specific Type 9 or MT75 requirements.
Common Problems:
Turbocharger failure (especially on early models or poorly maintained examples), head gasket issues, electrical gremlins, rust (particularly on older models), suspension wear.
Maintenance Tips:
Regular oil and filter changes are crucial. Keep cooling system in good order. Inspect turbocharger hoses and connections. Monitor for coolant leaks.
Ford Motorsport:
Ford has a rich motorsport heritage, with Cosworth engineering playing a pivotal role in many high-performance Ford engines and vehicles.
Cosworth Development:
The RS Cosworth models were developed to homologate Ford's rally cars for Group A racing, leading to their distinctive aggressive styling and potent engines.
Sierra Cosworth Production:
Ford Sierra RS Cosworth produced from 1986-1992 (though the manual covers later years potentially for specific markets or variants that overlapped).
Escort Cosworth Production:
Ford Escort RS Cosworth produced from 1992-1996.
Manufacturing Locations:
Ford Sierra RS Cosworth: Germany. Ford Escort RS Cosworth: Belgium (advanced by Karmann).
