Engine Service Repair:
Detailed procedures for engine disassembly, assembly, inspection, and repair.
Transmission Service Repair:
Comprehensive coverage for both manual and automatic transmission service, repair, and overhaul.
Brake System:
Service and repair procedures for hydraulic and mechanical brake components, including ABS if applicable for the year.
Wiring Diagram:
Detailed electrical wiring diagrams for all vehicle systems.
Electrical System:
Troubleshooting and repair procedures for the entire electrical system, including lighting, ignition, and accessories.
Suspension:
Service and repair of front and rear suspension components, including alignment specifications.
Steering:
Repair and maintenance of the steering system, including power steering components.
Cooling System:
Maintenance and repair of the cooling system, including radiator, water pump, and thermostat.
Fuel Injection:
Detailed diagnostics and repair for the fuel injection system.
Fuel System:
Service and repair of the fuel tank, fuel lines, and fuel pump.
Emission System:
Information on emission control systems and troubleshooting.
Heater Air Conditioning:
Service and repair of the HVAC system, including refrigerant handling.
Engine Control System:
Diagnosis and repair of the Engine Control Unit (ECU) and associated sensors and actuators.
Chassis Body:
Procedures for chassis and body repair, including unibody construction details.
Restraint System:
Information on seat belts and any available airbag systems for the model year.
Interior:
Procedures for interior trim removal and installation.
Differential Drive:
Service and repair of the differential and drivetrain components.
Axle:
Repair and maintenance of front and rear axles.
General Maintenance:
Routine maintenance tasks and schedules.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and uncommon problems.
Periodic Lubrication:
Lubrication points and recommended lubricant types and intervals.
Repair Procedures:
Step-by-step instructions for all repair procedures, including complete disassembly and reassembly.
Diagnostic Procedures:
Detailed troubleshooting guides and diagnostic steps for various systems.
Maintenance Procedures:
Instructions for all scheduled maintenance tasks.
Depth:
In-depth, professional quality, covering everything from basic maintenance to complete rebuilds and advanced diagnostics.
Illustrations:
Hundreds of photos and illustrations, detailed drawings, and enlarged insets for clear part identification.
Instruction Format:
Numbered instructions, detailed substeps, notes, cautions, and warnings.
Engine Options Likely:
1.8L I4, 2.0L I4, 2.4L I4, 2.9L V6, 2.0L I4 (Turbocharged), 2.5L V6 (likely options based on European market and Scorpio history).
Horsepower Torque:
Specific figures vary by engine. Manual provides detailed specifications for each variant.
Injection Type:
Likely multi-point fuel injection (MPI) for most engines, possibly single-point injection (SPI) on base models or carburetors on older variations not specified for 1990.
Oil Change Interval:
Typically 7,500 to 10,000 miles (12,000 to 16,000 km) or 12 months, depending on driving conditions. Manual provides specific intervals.
Engine Oil Type:
Likely API SF/SG or higher, with viscosity grades such as 10W-40 or 15W-40 depending on climate. Manual specifies exact types and capacities.
Coolant Type:
Ethylene glycol based antifreeze. Manual specifies correct mixture and capacity.
Transmission Fluid:
Specific ATF for automatic transmissions (e.g., Mercon/Dexron III) or gear oil for manual transmissions. Manual details specifications.
Common Problems:
Potential issues may include electrical system glitches (common in Fords of this era), corrosion on older models, and wear on suspension components. Manual provides extensive troubleshooting for these.
