2008 Aston Martin DB9 AM11 V12 (DB9)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Idle roughness and potential carbon buildup on intake valves
• Fuel vapor canister issues causing check engine light
• Premature wear of rear suspension bushings

First checks

• Inspect timing chain tension and guides
• Check for oil leaks around valve covers and rear main seal
• Monitor transmission fluid condition and clutch wear (manual models)

Avant de remplacer des pièces

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• The 2008 DB9 engine and specifications were consistent globally with minor emissions-related variations for some markets.
• The Touchtronic II transmission features adaptive shift programming for improved drivability.