Model:
Sierra RS Cosworth
Escort Rs Cosworth Generation:
Mk4 (Fourth Generation)
Sierra Rs Cosworth Generation:
Mk1 (First Generation) and Mk2 (Second Generation)
Escort Rs Cosworth Chassis Codes:
GBA
Sierra Rs Cosworth Chassis Codes:
GBC (2WD), GBD (4WD - European), GBG (4WD - Australian)
Target Market:
Performance Ford Enthusiasts, Owners seeking self-sufficiency in vehicle maintenance and repair
Manual Value Proposition:
Affordable, comprehensive DIY guide enabling significant cost savings compared to professional mechanic fees
Unique Selling Points:
Professional technician design, clear illustrations, simple language, extensive coverage of both Escort and Sierra RS Cosworth models
Manual Type:
Workshop Manual / Service Manual / Repair Manual
Format:
Downloadable (implied digital format)
Content Quality:
High Quality, Designed by Well Qualified Technicians, Industry Standard
Ease Of Use:
Easy to Download, Simple English, Step-by-Step Instructions, Illustrated with Proper Pictures
Target Audience:
DIY Enthusiasts and Professional Mechanics
Powertrain:
Engine (Cylinder Head/Valve, Cylinder/Piston, Crankcase, Lubrication System), Transmission (Crankcase/Transmission, Clutch/Gearshift Linkage, Rear Driving Mechanism, Front Driving Mechanism, Selectable 4WD System), Alternator/Starter Clutch, Electric Starter, Battery/Charging System, Ignition System
Chassis & Body:
Frame/Body Panels, Exhaust System, Brake System, Rear Wheel/Suspension, Front Wheel/Suspension/Steering, Electric Power Steering
Electrical & Electronics:
Wiring Diagrams, Lights/Meters/Switches, Electric Shift Program
Fuel System:
Fuel tank, fuel pump, fuel lines, injectors, fuel pressure regulator, fuel filter.
Cooling System:
Radiator, fan, water pump, thermostat, coolant passages.
Exhaust System:
Exhaust manifolds, catalytic converter (if applicable by region), mufflers, pipes, hangers.
Maintenance & Servicing:
General Maintenance, Lubrication Schedules, Fluid Changes, Filter Replacements
Repair & Overhaul:
Engine Removal/Installation, Component Rebuilds (e.g., Cylinder Head, Transmission), Brake System Repairs, Suspension and Steering Component Replacement
Diagnostics & Troubleshooting:
Troubleshooting Guides for Common Issues, Electrical System Diagnostics
Diagnostic Capability:
Covers Complex and Uncomplicated Parts, Step-by-Step Troubleshooting
Repair Scope:
Professional-Level Repairs, DIY Application
Format Type:
Digital Download (e.g., PDF)
Searchability:
Likely searchable text within the digital format, facilitating quick information retrieval.
Image Resolution:
High-Resolution Illustrations and Pictures
Binding:
Not Applicable (Digital Format)
Paper Quality:
Not Applicable (Digital Format)
Escort Rs Cosworth Engine:
Ford Cosworth YB 2.0L (1998cc) turbocharged inline-4
Sierra Rs Cosworth Engine:
Ford Cosworth YB 2.0L (1998cc) turbocharged inline-4
Escort Rs Cosworth Power Output:
Approx. 220-227 bhp (depending on market and specific version)
Sierra Rs Cosworth Power Output:
Approx. 204 bhp (2WD), 220 bhp (4WD European), 230 bhp (4WD Australian)
Engine Architecture:
DOHC, 16-valve, Turbocharged with Intercooler
Fuel Injection:
Bosch L-Jetronic or Motronic fuel injection system
Fuel Type:
Unleaded Gasoline (Premium/High Octane)
Escort Rs Cosworth Transmission:
5-speed manual transmission (e.g., MT75)
Sierra Rs Cosworth Transmission (2Wd):
5-speed manual transmission (e.g., T5)
Sierra Rs Cosworth Transmission (4Wd):
5-speed manual transmission with viscous coupling and open center differential
Optional Transmissions:
None typically offered for RS Cosworth models
Clutch Type:
Hydraulically operated, single-plate dry clutch
Escort Rs Cosworth Body Style:
3-door hatchback
Sierra Rs Cosworth Body Style:
3-door hatchback and 5-door hatchback (Sapphire RS Cosworth)
Escort Rs Cosworth Kerb Weight:
Approx. 1275 kg (2811 lbs)
Sierra Rs Cosworth Kerb Weight (3-Door):
Approx. 1230 kg (2712 lbs) for 2WD, Approx. 1310 kg (2888 lbs) for 4WD
Safety Structure:
Designed with a focus on structural integrity for performance driving, incorporating crumple zones
Braking System:
Four-wheel disc brakes, often with ABS (Anti-lock Braking System) as standard or optional
Restraint System:
Seat belts (3-point front and rear), with early models potentially lacking airbags
Infotainment Systems:
Basic period-appropriate audio systems (radio/cassette player), often with upgraded aftermarket units in modern usage.
Driver Assistance Features:
ABS (Anti-lock Braking System) available on some models. No advanced electronic driver aids typical of modern vehicles.
Connectivity:
None in the modern sense; primarily focused on mechanical and basic electrical systems.
Engine Oil & Filter Change Interval:
Typically every 5,000-10,000 miles (8,000-16,000 km) or 6-12 months, depending on usage and oil type. Manual would provide specific intervals.
Spark Plug Replacement:
Refer to manual, typically around 30,000-60,000 miles (48,000-96,000 km).
Timing Belt Replacement:
Crucial for Cosworth YB engines. Typically every 36,000 miles (58,000 km) or 3 years. Manual will specify exact interval and procedure.
Engine Oil Specification:
High-quality synthetic or semi-synthetic oil, typically 5W-40 or 10W-40. Manual will specify exact API and ACEA ratings.
Coolant Specification:
Ethylene glycol-based antifreeze/coolant, typically with a 50/50 mix with distilled water. Manual will specify Ford WSS-M97B44-D or equivalent.
Transmission Fluid Specification:
Manual transmission fluid (MTF) meeting specific API GL-4 or GL-5 specifications. Manual will detail the exact grade and quantity.
Common Problems:
Turbocharger wear, head gasket failure (especially if poorly maintained or driven hard), rust in common areas (wheel arches, sills), ignition coil issues, ageing electrical components.
Cosworth Yb Engine Specifics:
Requires diligent maintenance, particularly regarding oil changes and timing belt replacement, to prevent catastrophic failure.
Ford'S Performance Division:
Built upon Ford's rich motorsport heritage, particularly with the Cosworth engine
Escort Rs Cosworth Development:
Developed in collaboration with Cosworth Engineering for homologation for Group A rally racing, featuring a unique wide-body kit and distinctive rear wing.
Sierra Rs Cosworth Development:
Iconic performance car known for its powerful Cosworth YB engine, rear-wheel drive (early models) and later four-wheel drive, and aggressive styling.
Escort Rs Cosworth Production Years:
1992-1996
Sierra Rs Cosworth Production Years:
1986-1992 (Mk1 & Mk2)
Manufacturing Location:
Escort RS Cosworth: Karmann factory in Rheine, Germany. Sierra RS Cosworth: Ford's Genk plant in Belgium.
