Segment:
Luxury Grand Tourer (GT)
Target Audience:
Discerning automotive enthusiasts, owners seeking in-depth maintenance knowledge, independent specialists.
Key Competitors:
Ferrari 599 GTB Fiorano, Bentley Continental GT, Porsche 911 Turbo, Mercedes-Benz SL-Class.
Design Philosophy:
Elegant styling, potent V12 performance, luxurious interior, handcrafted quality.
Manual Value Proposition:
Empowers owners and technicians with factory-level information to maintain and repair the complex systems of the DB9, saving time and cost.
Powertrain:
Engine (V12), Transmission (Touchtronic, Manual), Drivetrain (RWD)
Chassis:
Suspension (Adaptive Dampers), Brakes (ABS, EBD, Ceramic options), Steering (Power Assisted), Frame/Chassis Construction
Electrical:
ECU, Engine Control, Body Control Module (BCM), Infotainment, Lighting, Power Accessories, Wiring Diagrams
Body And Interior:
Exterior Panels, Doors, Hood, Trunk, Interior Trim, Seats, HVAC System, Safety Restraints (Airbags)
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements, Inspections
Repair:
Engine Overhaul, Transmission Rebuild, Brake System Service, Suspension Component Replacement, Electrical Diagnosis and Repair, Body Panel Repair
Troubleshooting:
Diagnostic Procedures, Fault Code Interpretation, Symptom-Based Diagnosis
Diagnostic Capabilities:
Advanced diagnostic procedures, including parameter explanations and scan tool usage (where applicable).
Rebuild Procedures:
Detailed step-by-step instructions for complete disassembly, inspection, and reassembly of major components.
Engine Code:
Aston Martin AM11 (Variant of Ford 'Cologne' modular engine, heavily modified)
Configuration:
V12, Naturally Aspirated
Displacement:
5.935 liters (5935 cc)
Bore X Stroke:
89.0 mm x 79.5 mm
Compression Ratio:
10.0:1
Horsepower Early Models:
450 bhp @ 6000 rpm
Horsepower Later Models:
470 bhp @ 6000 rpm (DB9 GT)
Torque Early Models:
570 Nm (420 lb-ft) @ 5000 rpm
Torque Later Models:
600 Nm (443 lb-ft) @ 5000 rpm (DB9 GT)
Fuel Delivery:
Sequential Multi-Point Fuel Injection (MPI)
Fuel Type:
Premium Unleaded (95 RON or higher recommended)
Engine Management:
EDC (Engine Control Unit) with advanced diagnostic capabilities
Transmission Type:
ZF 6HP26 (6-speed automatic transmission) with Touchtronic paddle shift system
Transmission Type Manual:
Graziano GT400 (6-speed manual transmission) - rarer option
Automatic Features:
Adaptive shift logic, Sport mode, manual override via steering wheel paddles.
Manual Features:
Short-throw shifter, performance clutch.
Automatic Transmission Fluid:
ZF Lifeguard Fluid 6 (LF-6) or equivalent DEXRON-VI specification.
Manual Transmission Fluid:
API GL-4 or GL-5, SAE 75W-90 (specific Aston Martin recommendation should be consulted).
Length:
Approx. 4720 mm (185.8 inches)
Width:
Approx. 1860 mm (73.2 inches)
Height:
Approx. 1280 mm (50.4 inches)
Wheelbase:
Approx. 2740 mm (107.9 inches)
Curb Weight:
Approx. 1775-1885 kg (3913-4156 lbs) depending on configuration
Crash Test Information:
While official NHTSA/Euro NCAP ratings for the DB9 are not readily available, it was designed to meet or exceed contemporary safety standards for luxury vehicles.
Braking Systems:
Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Brake Assist (BAS), optional Carbon Ceramic Matrix (CCM) brakes.
Stability Control:
Electronic Stability Control (ESC), Traction Control System (TCS).
Airbags:
Driver and front passenger airbags, side airbags, and curtain airbags.
Seatbelts:
Pre-tensioning seatbelts with load limiters.
Audio System:
Premium audio systems, often from Bang & Olufsen or Aston Martin Premium Audio. Navigation systems available.
Climate Control:
Automatic climate control with multi-zone functionality.
Cruise Control:
Standard cruise control, often with speed limiter functionality.
Connectivity Options:
Limited by era; typically includes CD changer, optional iPod integration, and Bluetooth phone connectivity.
Major Service:
Typically every 10,000 miles or 12 months, whichever comes first. Specific intervals may vary; refer to the manual for precise recommendations.
Timing Drive:
Timing chain system, designed for the life of the engine, but requires regular inspection and tensioner checks as per service bulletins.
Engine Oil:
Mobil 1 0W-40 Synthetic (or a high-quality API SN/ACEA A3/B3/B4 compliant synthetic oil of similar viscosity).
Coolant:
Aston Martin Concentrated Coolant (Green) mixed 50/50 with distilled water. Equivalent to G48 (Ethylene Glycol based).
Brake Fluid:
DOT 4 Class 6 (or higher) synthetic brake fluid.
Power Steering Fluid:
Aston Martin Power Steering Fluid (or an equivalent Pentosin CHF 11S or similar high-quality hydraulic fluid).
Cam Timing Tensioners:
Early models with V12 engines are known for potential wear or failure of the cam chain tensioners, which can lead to significant engine damage if not addressed. The manual will detail inspection and replacement procedures.
Clutch Actuation System:
Some models, particularly with the Touchtronic transmission, may experience issues with the clutch actuation system or hydraulic pump.
Interior Trim Wear:
As with many luxury cars of this era, interior trim components, especially leather and soft-touch plastics, can show wear over time. Manual provides disassembly and care tips.
Aston Martin Legacy:
Renowned for producing elegant, high-performance luxury grand tourers with a rich motorsport history.
Db Series:
The DB9 follows the esteemed lineage of Aston Martin's 'DB' (David Brown) series, known for its blend of style and performance.
Design Introduction:
Launched in 2003 at the Frankfurt Motor Show, replacing the DB7. Designed by Henrik Fisker.
Manufacturing Location:
Gaydon, Warwickshire, England.
Production Period:
2004-2010 (initial generation).
