Engine lubrication

Aston Martin DB9 Oil Change Guide

A DB9 oil service is a straightforward annual maintenance job when approached calmly, but a V12 GT still deserves careful lifting, correct filter parts, and exact workshop-manual specifications.

  • Aston Martin DB9
  • Applies to 1 model family
Difficulty ★★☆☆☆ (2/5)
Skill level Confident home mechanic
Approx. time 1.5 to 2 hours

Overview

A DB9 oil service is a straightforward annual maintenance job when approached calmly, but a V12 GT still deserves careful lifting, correct filter parts, and exact workshop-manual specifications.

Applies to: db9.

Tools and consumables

Tools

  • Level lifting equipment: The car must sit secure and level for draining and refilling.
  • Undertray tools: Have the correct sockets and Torx bits before starting.
  • Drain pan: Use a large pan and protect the floor area well.
  • Torque wrench: Use for the drain plug and related fasteners once values are verified.

Consumables

  • Approved engine oil: Use the exact workshop-approved specification for the DB9 engine and year.
  • Oil filter: Use a correct filter for the VIN and engine version.
  • Drain plug seal: Renew if required.

Preparation

  • Warm the oil lightly, then let the car cool to a safe working temperature.
  • Gather the correct oil, filter, new seal, drain pan, and tools.
  • Lift and secure the DB9 level.

Access

  • Remove the undertray sections required for access.
  • Locate the drain point and filter housing before opening anything.
  • Check the underbody for existing seepage or cooling stains.

Remove

  • Drain the oil fully.
  • Remove and inspect the old filter and drain plug.
  • Clean the filter sealing face and surrounding area.

Install

  • Fit the new filter correctly.
  • Refit the drain plug with the correct new sealing component if applicable.
  • Refill using only the exact approved oil quantity and level procedure.

Final checks

  • Run the engine, inspect for leaks, then confirm the final level after settling.
  • Reinstall all undertray sections securely.
  • Record the service date and mileage clearly.

Torque and specs

Item Value Status
Engine oil grade To be confirmed by workshop manual Verify manual
Oil fill quantity To be confirmed by workshop manual Verify manual
Drain plug torque To be confirmed by workshop manual Verify manual

When to stop and call a specialist

  • If the drain plug thread feels questionable.
  • If the old oil shows obvious contamination or metallic debris.
  • If you cannot confirm the correct fill quantity for the exact car.

Frequently asked questions

Is oil service a good first DB9 DIY job?

Yes, if you already have safe lifting equipment and are comfortable following workshop information rather than guessing.