Your shopping cart
😊 Product added to cart successfully   Product removed to cart successfully
Your shopping cart is empty!
Continue shopping
1 of 2

Ford Sierra RS Cosworth 1986-1992 Service Repair Manual

Regular price
$16.99
Sale price
$16.99
Regular price
🏷️ Basic Information Identification Make: Ford Model: Sierra RS Cosworth Body Style: Hatchback (3-door) Generation Generation Name: Sierra RS Cosworth (Mk1/Mk2 overlap) Codes Engine Code: YBD (Cosworth YB Series) 👋...
17 people are viewing this right now
Type: Car
Vendor:
Sku: 488527
Ford Sierra RS Cosworth 1986-1992 Service Repair Manual
🏷️ Basic Information
Identification
Make:
Ford
Model:
Sierra RS Cosworth
Body Style:
Hatchback (3-door)
Generation
Generation Name:
Sierra RS Cosworth (Mk1/Mk2 overlap)
Codes
Engine Code:
YBD (Cosworth YB Series)
👋 Introduction
Market Position
Positioning:
The Ford Sierra RS Cosworth was a homologation special designed for Group A touring car racing, making it a highly sought-after performance variant of the standard Sierra. This manual serves the enthusiast and owner seeking to maintain or restore this iconic performance vehicle.
Competitive Analysis
Comparison:
Competed against other homologation specials and performance sedans/hatchbacks of its era, such as the BMW M3 (E30), Mercedes-Benz 190E 2.3-16 Cosworth, and Audi Quattro.
Key Features
Distinctive Features:
Unique aerodynamic body kit (including the iconic bi-plane rear spoiler), potent Cosworth YB turbocharged engine, advanced suspension for its time, and a significant racing pedigree.
📋 Manual Details
Coverage Areas
Model Years Covered:
1986, 1987, 1988, 1989, 1990, 1991, 1992
Page Count
Estimated Page Count:
Hundreds of pages
Manual Type
Type:
Factory Service Repair Manual / Workshop Manual
Language
Language:
English
Format
Format:
PDF
📖 Manual Coverage
Systems Covered
Engine:
Complete service, repair, and overhaul procedures for the Cosworth YB 2.0L Turbocharged engine, including cylinder head, block, pistons, crankshaft, camshafts, valvetrain, oil system, and cooling system.
Fuel System:
Detailed coverage of the Bosch L-Jetronic fuel injection system, fuel pump, injectors, fuel pressure regulator, fuel lines, and evaporative emission control system.
Ignition System:
Diagnosis and repair of the electronic ignition system, including coil packs, ignition control module, and spark plugs.
Transmission:
Service and repair of the T5 manual transmission, including clutch operation, gear shifting mechanisms, and fluid specifications.
Drivetrain:
Detailed information on the rear-wheel-drive system, including driveshaft, differential, and axle shafts.
Suspension:
Front and rear suspension component diagnosis and replacement, including shock absorbers, springs, control arms, bushings, and anti-roll bars.
Steering:
Service and repair of the power steering system, including steering rack, pump, and hydraulic lines.
Brakes:
Complete brake system overhaul, including front and rear disc brakes, calipers, master cylinder, brake lines, and ABS system (if equipped).
Electrical System:
Comprehensive wiring diagrams, fuse box layouts, component testing, and troubleshooting for all electrical systems, including lighting, instruments, and power windows.
Body And Chassis:
Body panel repair, structural integrity checks, door mechanisms, glass replacement, and underbody protection.
Heating Ventilation And Air Conditioning:
Service and repair of the HVAC system, including heater core, blower motor, and A/C components (if applicable).
Emission Control:
Diagnosis and repair of emission control systems, including catalytic converter, oxygen sensors, and EGR (if applicable).
Procedures Included
Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections, and lubrication points.
Troubleshooting:
Diagnostic procedures, fault code interpretation, and step-by-step troubleshooting guides for common and complex issues across all vehicle systems.
Repair:
Detailed instructions for the removal, installation, and adjustment of all mechanical and electrical components.
Overhaul:
Complete engine and transmission overhaul procedures with torque specifications and assembly sequences.
Electrical Diagnosis:
Testing of sensors, actuators, control modules, and wiring harnesses using multimeters and diagnostic equipment.
Wheel Alignment:
Specifications and procedures for checking and adjusting wheel alignment parameters.
Recalibration:
Procedures for recalibrating systems after component replacement (e.g., engine sensors).
Technical Depth
Depth:
Comprehensive factory-level detail, suitable for professional mechanics and advanced DIY enthusiasts. Includes disassembly, assembly, torque specifications, diagnostic charts, and technical service bulletins (TSBs) if available within the original documentation.
📊 Manual Specifications
File Format
Format Details:
Digital PDF format, compatible with all Windows and Mac operating systems. Requires Adobe PDF Reader and WinZip (free software).
Print Quality
Printability:
Fully printable, allowing users to print specific pages or the entire manual for workshop use. High-resolution pages for clear text and illustrations.
Binding Type
Binding:
Digital (N/A for printed manuals)
Paper Type
Paper Type:
Digital (N/A for printed manuals)
Accessibility
Device Compatibility:
Accessible on desktop PCs, laptops, smartphones, and tablets via web browser or dedicated PDF reader.
⚙️ Engine Specifications
Primary Engine
Engine Type:
Cosworth YB Series DOHC Inline-4, 16-valve
Displacement:
1993 cc (2.0 Liters)
Bore X Stroke:
90.8 mm x 77.0 mm
Compression Ratio:
8.2:1 (approx.)
Turbocharger:
Garrett T3 Turbocharger with Intercooler
Engine Management:
Bosch L-Jetronic Fuel Injection and Ignition System
Performance
Horsepower:
204 PS (150 kW; 201 hp) @ 6000 rpm (European Spec)
Torque:
276 Nm (204 lb-ft) @ 4500 rpm (European Spec)
Fuel System
Fuel Type:
Unleaded Gasoline (95 RON recommended)
Fuel Delivery:
Multi-point Electronic Fuel Injection
🔧 Transmission
Standard
Transmission Type:
Ford T5 Manual Transmission (5-speed)
Features
Drivetrain:
Rear-Wheel Drive (RWD)
📐 Dimensions
Exterior
Length:
4430 mm (174.4 in)
Width:
1755 mm (69.1 in)
Height:
1380 mm (54.3 in)
Wheelbase:
2605 mm (102.6 in)
Weights
Curb Weight:
1295 kg (2855 lbs)
🛡️ Safety Features
Ratings
Crash Test Ratings:
Euro NCAP ratings were not standard for vehicles of this era. Focus is on chassis design and passive safety features.
Active Features
Brake Assist:
Optional Anti-lock Braking System (ABS)
Passive Features
Seat Belts:
Three-point seatbelts with pre-tensioners (where fitted)
Body Structure:
Reinforced safety cage and crumple zones designed for impact absorption.
💡 Technology Features
Infotainment
Audio System:
Factory-fitted Ford radio/cassette player, often with amplifier and speaker upgrades available.
Driver Assistance
ABS:
Optional Anti-lock Braking System (ABS) on some models.
Connectivity
Modern Features:
Lacks modern connectivity features like Bluetooth or USB ports; aftermarket solutions are common.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 7,500 miles or 12 months, whichever comes first (synthetic oil recommended).
Spark Plug Replacement:
Every 30,000 miles.
Timing Belt Replacement:
Refer to manual for specific interval, typically around 40,000-60,000 miles due to critical nature of the YB engine.
Fluid Specifications
Engine Oil Type:
SAE 5W-40 or 10W-40 (API SG or higher specification, synthetic recommended).
Engine Oil Capacity:
4.5 Liters (4.8 US Quarts) with filter change.
Coolant Type:
Ethylene Glycol based coolant (50/50 mix with distilled water).
Transmission Fluid Type:
Ford ESW-M2C83-C (or equivalent manual transmission fluid).
Brake Fluid Type:
DOT 3 or DOT 4.
Differential Fluid Type:
API GL-5 80W-90 hypoid gear oil.
Known Issues
Head Gasket:
Potential for head gasket failure due to high boost pressure and heat; proper torque and coolant levels are critical.
Turbocharger Wear:
Wear on the turbocharger seals and bearings can lead to oil consumption and reduced performance; regular oil changes are vital.
Suspension Bushings:
Wear in rubber suspension bushings can lead to imprecise handling and noise.
Rust:
Common rust points include wheel arches, sills, and around windows due to age and environmental exposure.
📚 Vehicle History
Brand Heritage
Ford Performance Division:
Built upon Ford's extensive motorsport heritage, particularly its success in rallying and touring car racing.
Model Evolution
Sierra Development:
Evolved from the standard Ford Sierra, with significant engineering by Ford's European motorsport division and Cosworth for homologation purposes.
Production
Manufacturing Locations:
Genk, Belgium
Production Years:
1986-1992
Racing Heritage
Group A Success:
Highly successful in Group A touring car racing, winning championships worldwide, including the British Touring Car Championship (BTCC) and Deutsche Tourenwagen Meisterschaft (DTM).
🏆 Awards & Recognition
Recognitions
Motorsport Titles:
Numerous championships won in various motorsport series, cementing its reputation as a performance icon.
Sale

Unavailable

Sold Out