🏷️ Basic Information Identification Make: Mercury Model: Sable Year: 2003 Codes Platform: DGS-321 (Ford CD3 platform derivative) 👋 Introduction Market Position Segment: Mid-size Sedan/Wagon, marketed as a comfortable and stylish alternative to mainstream sedans Competitive Analysis Competitors: Chevrolet Impala, Buick LeSabre, Toyota Camry, Honda Accord, Chrysler Concorde/Intrepid Key Features Marketing Focus: Quiet ride, spacious interior, comfortable seating, availability of V6 power Body Styles: Sedan, Wagon 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Secondary Coverage: Diagnostics, Troubleshooting, Wiring Diagrams, Specifications Emissions Control: Evaporative Emission Control (EVAP) system, catalytic converter, oxygen sensors, EGR system diagnosis and repair. Restraint Systems: Airbag system diagnosis, sensor locations, SRS module procedures. Page Count Estimated Pages: 1500+ Document Type: Official Factory Service Manual (digitized) Manual Type Type: Digital Service and Repair Manual Language Language: English Format Software Format: Proprietary Software/Executable (often CD-ROM based or downloadable archive) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, disassembly, assembly, timing, cooling system, lubrication system Engine Management: Fuel injection, ignition system, emissions control, sensors, actuators, ECU diagnostics Transmission: Automatic transmission (AX4N/AX4S) overhaul, diagnosis, fluid service, electronic control Drivetrain: Front-wheel drive components, CV joints, axle shafts, differential service Brakes: Front and rear brake systems, ABS, EBD, hydraulic component replacement, bleeding procedures Steering: Power steering system, steering column, rack and pinion repair, alignment specifications Suspension: Front and rear suspension components, shock absorbers, struts, springs, bushings, alignment Electrical System: Battery, charging system, starting system, lighting, instrument cluster, power accessories, fuses, relays HVAC: Air conditioning system, heater, climate control unit, component diagnosis and replacement Body And Chassis: Body panel removal and installation, interior trim, door mechanisms, glass replacement, structural information Diagnostics And Troubleshooting: OBD-II system, diagnostic trouble codes (DTCs), symptom-based troubleshooting guides Procedures Included Preventative Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection/replacement Diagnostic Procedures: Step-by-step troubleshooting for common and uncommon issues, wiring diagram interpretation Repair Procedures: Detailed, illustrated guides for component removal, installation, and repair for all major systems Special Tools: Identification and usage of specialized tools required for specific repair procedures Recalibration: Procedures for electronic throttle control (ETC) and other sensor recalibrations if applicable. Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission overhauls, including electrical schematics Wiring Diagrams: Detailed color wiring diagrams for all electrical systems, including powertrain, chassis, and body electronics. 📊 Manual Specifications File Format Media Type: CD-ROM (typical for this era's software manuals) Print Quality Resolution: High-resolution, often vector-based diagrams and illustrations Binding Type Binding: N/A (Software Format) Paper Type Paper: N/A (Software Format) ⚙️ Engine Specifications Primary Engine Engine Code: Duratec 30 (3.0L V6) Displacement: 2986 cc (3.0 Liters) Configuration: V6, SOHC (Single Overhead Camshaft) Bore X Stroke: 89.0 mm x 79.5 mm Compression Ratio: 9.7:1 Performance Horsepower: 193 hp @ 5250 rpm Torque: 205 lb-ft @ 4000 rpm Fuel System Induction: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Unleaded gasoline, 87 octane recommended Engine Components Block Material: Aluminum Alloy Cylinder Head Material: Aluminum Alloy 🔧 Transmission Standard Type: 4-Speed Automatic (AX4N) Optional Type: 4-Speed Automatic (AX4S - less common for '03) Features Drive Type: Front-Wheel Drive (FWD) Transmission Fluid: Mercon V Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Length: 201.4 inches (Sedan) / 201.7 inches (Wagon) Width: 74.4 inches Height: 58.0 inches (Sedan) / 59.0 inches (Wagon) Interior Passenger Volume: 106.4 cu ft (Sedan) / 111.3 cu ft (Wagon) Cargo Cargo Volume: 16.7 cu ft (Sedan Trunk) / 38.4 cu ft (Wagon behind 2nd row) Weights Curb Weight: Approximately 3500-3700 lbs Gross Vehicle Weight Rating: Approximately 4700 lbs Wheels Tires Wheelbase: 112.9 inches Standard Tire Size: P215/60R16 Wheel Bolt Pattern: 5 x 4.5 inches (5 x 114.3 mm) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: ★★★★★ (5-Star) NHTSA Front Impact Passenger: ★★★★★ (5-Star) NHTSA Side Impact Front Driver: ★★★★ (4-Star) NHTSA Side Impact Rear Passenger: ★★★★ (4-Star) Active Features ABS: Standard Anti-lock Braking System Traction Control: Optional (TCS - Traction Control System) Passive Features Airbags: Driver and front passenger airbags, optional side airbags Seatbelts: 3-point front and rear seatbelts, pretensioners for front seats 💡 Technology Features Infotainment Audio System: Optional premium audio systems with CD player, cassette player, and AM/FM radio Climate Control: Manual or optional automatic climate control Driver Assistance Cruise Control: Standard on most trims Connectivity Phone Integration: N/A (No factory Bluetooth or USB connectivity in this era) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months, whichever comes first (conventional oil); 7,500 miles/6 months (synthetic blend/full synthetic) Air Filter Replacement: Every 15,000-30,000 miles or as needed based on driving conditions Spark Plug Replacement: Every 100,000 miles (OEM iridium spark plugs) Transmission Fluid Change: Every 30,000-50,000 miles (Mercon V recommended) Fluid Specifications Engine Oil Type: SAE 5W-30 (API Service SG, SH, SJ, or SL rated) Engine Coolant: Ford Premium Engine Coolant (VC-13G) or equivalent (50/50...