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Manual Coverage
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Systems Covered
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Engine Systems:
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Engine mechanical, cooling, lubrication, fuel delivery, ignition, emissions control, engine management.
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Transmission Systems:
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Manual transmission, automatic transmission (if applicable to 1988 models), clutch, driveshafts, differentials.
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Brake Systems:
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Hydraulic braking system, disc brakes (front and rear), drum brakes (rear if applicable), parking brake, ABS (if equipped).
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Suspension Steering:
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Front suspension (e.g., MacPherson struts), rear suspension (e.g., independent suspension), steering gear, power steering system.
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Electrical Systems:
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Battery, charging system, starting system, lighting system, ignition system, instruments, wiring diagrams, fuses, relays.
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Body Chassis:
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Body construction, doors, hood, trunk, interior trim, bumpers, chassis components, frame repair.
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HVAC System:
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Heating, ventilation, and air conditioning system operation and service.
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Fuel Injection System:
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Detailed information on EFI components, sensors (e.g., TPS, MAP), actuators, fuel pump pressure testing, and ECU diagnostics.
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Ignition System:
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Diagnosis and service of electronic ignition systems, including coil pack testing, spark plug specifications, and timing adjustments.
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Procedures Included
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Maintenance Procedures:
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Scheduled maintenance, oil changes, filter replacements, fluid checks, lubrication points, tune-up procedures.
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Repair Procedures:
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Step-by-step repair instructions for all major mechanical and electrical components, including disassembly, repair, and reassembly.
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Troubleshooting:
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Diagnostic procedures, symptom-based troubleshooting guides, identification of common faults and their causes.
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Electrical Diagnostics:
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Detailed wiring diagrams, component testing, troubleshooting electrical circuits.
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Engine Rebuild Procedures:
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Detailed instructions for engine disassembly, inspection of internal components (pistons, rings, bearings, valves), cylinder head service, and reassembly with specifications.
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Transmission Overhaul:
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Comprehensive guides for rebuilding both manual and automatic transmissions, including torque specifications for internal components and clutch pack details.
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Wheel Alignment:
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Specifications for front and rear wheel alignment (camber, caster, toe), along with procedures for adjustment.
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Air Conditioning Service:
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Procedures for refrigerant handling, system evacuation and recharging, leak detection, and component replacement for the HVAC system.
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Technical Depth
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Depth Of Coverage:
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Professional technician level with detailed specifications, torque values, clearances, and diagnostic procedures. Suitable for advanced DIY enthusiasts with mechanical aptitude.
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Diagnostic Charts:
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Inclusion of diagnostic flowcharts and symptom-based troubleshooting tables to help identify and resolve issues efficiently.
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Engine Specifications
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Primary Engine
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Engine Variants Covered:
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Likely covers the main petrol engine options for the 1988 Scorpio, which could include the 2.0L (OHC and DOHC) and potentially the 2.8L V6. Specific engine codes (e.g., CVH, ECO-V) would be detailed within the manual.
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Performance
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Typical Horsepower Range:
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Approximately 100-150 hp for the 2.0L engines, and up to 150-160 hp for the 2.8L V6, depending on the specific variant.
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Torque Specifications:
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Torque figures for cylinder head bolts, main bearings, and other critical engine components will be provided for proper assembly.
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Fuel System
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Fuel System Type:
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Electronic Fuel Injection (EFI) or Carburetor depending on engine variant and market. Manual will detail specific fuel system components, pressure, and diagnostic procedures.
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Engine Mechanical
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Timing Belt Chain:
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Likely timing belt for 2.0L OHC engines, timing chain for DOHC and V6 variants. Manual will specify replacement intervals and procedures.
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Compression Ratios:
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Engine compression ratios will be detailed for each variant, crucial for engine performance diagnosis and rebuilding.
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Cooling System
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Coolant Type:
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Ford recommends ethylene glycol based antifreeze. Manual will specify correct mixture ratio and compatible types.
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Maintenance
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Service Intervals
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Oil Change Interval:
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Typically 7,500 to 10,000 miles (12,000 to 15,000 km) or 6-12 months, whichever comes first, depending on driving conditions. Manual will provide precise intervals.
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Timing Belt Replacement:
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For 2.0L OHC engines, replacement is typically recommended every 60,000 miles (96,000 km). Manual will provide exact mileage and procedure.
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Fluid Specifications
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Engine Oil Specification:
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Likely a 10W-40 or 5W-30 synthetic or semi-synthetic oil, depending on climate and engine type. Manual will list API and ACEA classifications.
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Brake Fluid Specification:
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DOT 3 or DOT 4 brake fluid. Manual will specify the correct type and replacement interval.
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Gearbox Oil Spec:
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Specific GL-4 or GL-5 rated gear oil for manual transmissions and appropriate ATF for automatics, with capacities listed.
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Known Issues
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Common Electrical Faults:
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Corrosion in wiring harnesses, faulty door lock actuators, and dashboard warning light malfunctions were sometimes reported. Manual aids in diagnosing these.
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Common Mechanical Faults:
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Wear on suspension bushings, potential for head gasket leaks on certain engine variants, and exhaust system corrosion. Manual provides repair procedures.
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Suspension Wear:
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Common wear items like control arm bushings, ball joints, and tie rod ends are detailed for replacement and inspection.
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