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Introduction
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Market Position
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Positioning:
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The Aston Martin DB9 (2005) represented a significant step for Aston Martin, blending traditional GT luxury with modern performance and technology on the new VH platform. It aimed to compete with established luxury grand tourers like the Bentley Continental GT and Ferrari 612 Scaglietti.
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Competitive Analysis
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Competitors:
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Bentley Continental GT, Ferrari 612 Scaglietti, Maserati GranSport.
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Key Features
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Design Philosophy:
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Elegant styling, powerful V12 engine, luxurious interior, and a focus on comfortable long-distance touring.
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Manual Advantage:
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Provides professional-level diagnostic and repair information, enabling owners or independent workshops to maintain and repair the DB9 to factory standards, saving significant costs compared to dealership service.
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Manual Coverage
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Systems Covered
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Engine Service:
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Engine service and repair (including detailed information on the V12 engine)
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Transmission Service:
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Transmission service and repair (likely covers ZF 6HP26 automatic transmission)
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Brakes:
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Brake system service, repair, and diagnostics
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Electrical:
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Complete electrical system coverage, including wiring diagrams
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Suspension:
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Suspension system maintenance, repair, and alignment specifications
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Steering:
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Steering system service and troubleshooting
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Cooling System:
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Cooling system diagnosis, maintenance, and repair
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Fuel System:
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Fuel injection and fuel system service
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Emission Control:
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Emission system diagnosis and repair
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HVAC:
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Heater and air conditioning system service
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Engine Control:
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Engine control system (ECU) diagnostics and calibration
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Chassis Body:
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Chassis and bodywork repair and maintenance
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Restraint System:
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Restraint system (airbags, seatbelts) service and safety checks
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Interior:
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Interior trim and component service
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Drivetrain:
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Differential and drive axle service
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Procedures Included
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Maintenance:
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General maintenance, including periodic lubrication and fluid checks
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Troubleshooting:
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Comprehensive troubleshooting guides for common and complex issues
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Diagnostics:
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Advanced diagnostic procedures for all vehicle systems
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Repair:
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Detailed step-by-step repair procedures for components and systems
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Disassembly Assembly:
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Procedures for disassembly, cleaning, and reassembly of parts
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Wiring Diagrams:
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Detailed wiring diagrams integrated with electrical system diagnostics
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Technical Depth
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Depth:
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Professional grade, covering everything from basic maintenance to complete engine and transmission rebuilds, including electrical diagnostics and bodywork.
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Engine Specifications
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Primary Engine
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Engine Code:
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Aston Martin V12 (48-valve, DOHC)
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Displacement:
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5.935 liters (5935 cc)
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Bore X Stroke:
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89.0 mm x 79.5 mm
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Performance
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Horsepower:
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450 bhp (331 kW) at 6000 rpm
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Torque:
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570 Nm (420 lb-ft) at 5000 rpm
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Fuel System
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Injection Type:
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Sequential Multi-Point Fuel Injection (MPI)
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Fuel Grade:
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Premium Unleaded (95 RON or higher)
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Cooling System
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Coolant Type:
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Proprietary Aston Martin coolant or equivalent (e.g., HOAT - Hybrid Organic Acid Technology)
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Lubrication
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Oil Type:
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Fully Synthetic SAE 5W-30 or 5W-40 (API SM/SN or ILSAC GF-4/GF-5)
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Oil Capacity:
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Approximately 9.5 liters (10.0 US quarts) with filter
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Safety Features
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Ratings
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Crash Test Ratings:
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Not comprehensively tested by agencies like NHTSA or Euro NCAP for this specific model year, but built to high safety standards with advanced passive safety features.
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Active Features
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Brakes:
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Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)
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Traction Control:
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Traction Control System (TCS), Dynamic Stability Control (DSC)
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Passive Features
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Airbags:
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Driver and passenger front airbags, side airbags, curtain airbags
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Body Structure:
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High-strength aluminum and composite body construction
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Seatbelts:
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Pre-tensioning seatbelts with load limiters
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Maintenance
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Service Intervals
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Minor Service:
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Typically every 10,000 miles or 12 months, whichever comes first (includes oil change, filter replacement, checks)
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Major Service:
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Typically every 20,000 miles or 24 months (includes additional checks, fluid changes, brake inspections)
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Fluid Specifications
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Brake Fluid:
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DOT 4 LV (Low Viscosity) or DOT 4 Plus
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Coolant:
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Aston Martin approved or HOAT coolant (usually a pink or orange color)
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Known Issues
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Common Problems:
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Early models may experience door handle issues (e-handles), potential cam cover gasket leaks, and some electronics gremlins. Regular servicing is crucial for the V12 engine's longevity.
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Transmission Notes:
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ZF automatic transmissions are generally robust but require timely fluid and filter changes as per manufacturer recommendations. Manual transmission clutch wear is dependent on driving style.
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