Positioning:
The Ford Sierra was positioned as a modern, aerodynamic, and technologically advanced replacement for the Ford Cortina, competing in the family car and compact executive segments.
Key Competitors:
Vauxhall Cavalier/Opel Ascona, Volkswagen Passat, Austin Montego, Peugeot 505, Renault 20/30
Aerodynamics:
Revolutionary 'jelly mould' styling with a very low drag coefficient for its time.
Suspension:
Advanced multi-link independent rear suspension (IRS) for improved handling, a significant departure from the live axle of its predecessor.
Target Audience:
Professional technicians and knowledgeable DIY enthusiasts.
Benefit:
Provides factory-level detail to empower owners and mechanics to perform accurate maintenance and repairs, saving time and money.
Digital Vs Paper:
Digital format offers instant access and portability, equivalent in content to a physical factory service manual.
Engine Mechanical:
Yes, including disassembly, inspection, repair, and assembly
Engine Management And Electronics:
Yes, including fuel injection systems (Bosch L-Jetronic, EEC-IV), ignition systems, and basic sensor diagnostics
Transmission Manual:
Yes, including clutch, gearbox overhaul, and shift linkages
Transmission Automatic:
Yes, covering operation, adjustment, and minor repairs (specific to models equipped)
Drivetrain And Axles:
Yes, including rear-wheel drive components, driveshafts, differential, and CV joints
Suspension And Steering:
Yes, covering front MacPherson struts, rear multi-link independent suspension, steering rack, and power steering system
Braking System:
Yes, including front disc brakes, rear drum brakes, hydraulic system, parking brake, and anti-lock braking system (ABS) if equipped
Fuel System:
Yes, including fuel tank, fuel pump, fuel lines, and carburetion/injection components
Cooling System:
Yes, including radiator, water pump, thermostat, and cooling fan operation
Exhaust System:
Yes, covering exhaust manifold, pipes, muffler, and catalytic converter (if applicable)
Lighting And Accessories:
Yes, including headlights, taillights, interior lighting, wipers, horn, and accessory circuits
Wiring Diagrams:
Yes, detailed circuit diagrams for all major systems
Charging System:
Yes, including alternator and battery service
Starting System:
Yes, including starter motor and solenoid service
Body Panels:
Yes, covering removal, installation, and minor repair of body panels, doors, hoods, and trunk lids
Interior Trim:
Yes, including dashboard, seats, and door panel removal/installation
Paint And Corrosion Protection:
Likely includes basic information on care and minor touch-up
Routine Maintenance:
Yes, oil changes, filter replacements, fluid checks, spark plug replacement, etc.
Component Disassembly:
Yes, detailed steps for removing and taking apart all major vehicle components
Component Assembly:
Yes, detailed steps for reassembling repaired or replaced components
Troubleshooting Diagnostics:
Yes, systematic approaches to identifying and resolving common problems
Adjustment Procedures:
Yes, including carburetor adjustments, timing settings, and brake adjustments
Torque Specifications:
Yes, critical torque values for fasteners throughout the vehicle
Special Tools:
Yes, identifies specific tools required for certain repair procedures
Depth:
Comprehensive, suitable for professional technicians and advanced DIYers
Diagnostic Capability:
Enables in-depth diagnosis of mechanical, electrical, and electronic systems
Rebuild Procedures:
Covers complete engine and transmission rebuilds
Oil Change Interval:
Typically every 10,000 km (6,000 miles) or 12 months, whichever comes first (check manual for specific engine).
Air Filter Replacement:
Every 20,000 km (12,000 miles) or annually.
Spark Plug Replacement:
Every 30,000 km (18,000 miles) for standard plugs, longer for platinum.
Transmission Fluid Change:
Manual: Check level regularly, change if contaminated. Automatic: Every 40,000 km (24,000 miles).
Engine Oil:
API SG/SF or ACEA A2-96. Viscosity typically 10W-40 or 20W-50 depending on climate. Capacities: 1.6/2.0 Pinto OHV ~4.3 liters, 2.8 V6 ~5.0 liters.
Coolant:
50/50 mix of ethylene glycol based antifreeze and distilled water.
Brake Fluid:
DOT 3 or DOT 4.
Transmission Fluid Manual:
API GL-4 Gear Oil (e.g., 75W-90).
Transmission Fluid Automatic:
Mercon or Dexron II.
Rust And Corrosion:
Common issue for vehicles of this era, particularly wheel arches, sills, and boot floor.
Electrical Gremlins:
Degradation of wiring insulation, faulty grounds, and issues with the fuse box and indicator stalks can occur.
Suspension Wear:
Wear in ball joints, tie rod ends, and bushes due to age and mileage.
Engine Oil Leaks:
Leaking valve cover gaskets or crankshaft seals are not uncommon.