Description

Aston Martin DB9 Workshop Manual

I’ve been turning wrenches for 28 years. ASE Master. Six bays in San Antonio. I’ve seen aftermarket manuals print the wrong torque spec or skip a step entirely more times than I care to count. If you’re trying to keep an Aston Martin DB9 on the road, you don’t have time for guesswork. The Aston Martin DB9 Workshop Manual from AutoRepairManuals is the real deal – 164 pages of factory documentation, straight from Aston Martin Lagonda Limited. This isn’t a reprint or a third-party compilation. It’s the same document the dealer technicians use.

Engine System (03.00): The Heart of the DB9

Every section in this manual follows the factory numbering system. Section 03.00 covers the entire engine assembly – from the lubrication system (03.02) to the throttle control (03.16). If you need to pull the 6.0L V12, the manual gives you the exact lifting points from page i-i-vii of the introduction. The steps for engine removal are broken down by subsystem: fuel charging (03.04), accessory drive (03.05), and cranking system (03.06). No guesswork. Each procedure starts with a required tool list and ends with the torque specs. For example, the cylinder head bolts require a specific tightening sequence – the manual shows it in the Valve Train section (03.09).

Torque Figures: Why You Need the Factory Numbers

I’ve seen DIYers strip oil pan bolts because the aftermarket manual said 18 lb-ft when the OEM spec is 12 lb-ft. This DB9 manual includes a dedicated appendix with “Torque Figures” and “Torque Conversion Tables.” Every fastener torque in the book references those figures. Want the spec for the front subframe bolts? Check the procedure in section 02.01 Subframes. The value is tied to the exact bolt grade and thread pitch used at the factory. You won’t find that level of detail in a generic guide. Related manuals like Aston Martin V12 Vanquish 2001 Workshop Manual – OEM Factory Specs”>Aston Martin V12 Vanquish 2001 Workshop Manual – OEM Factory Specs follow the same standard. For a broader look at industry practices, see Automotive Industry Overview”>Automotive Industry Overview.

Safety Precautions and Lifting Points (Page i-i-v)

The introduction alone is worth the access. Page i-i-v covers battery disconnection, A/C system safety, chemical handling, and electrical equipment warnings. Page i-i-vii shows the proper jacking points and stand locations. I’ve had apprentices try to lift a DB9 by the oil pan – that’s a $400 mistake. The manual spells out the hoist adapter requirements. Vehicle recovery procedures (suspended towing, flatbed) are on page i-i-viii. If you ever need to tow a dead DB9, read that section first. The manual also includes the Vehicle Identification Number location (page i-i-ix) and the engine/gearbox number positions. That matters when ordering parts.

Does This Manual Cover the Fuel System? (Section 10.00)

Section 10.00 covers the fuel tank and lines. The manual walks you through removal of the fuel tank, hose routing, and the evaporative emissions system (03.13). It also includes the fuel charging system (03.04) under the engine chapter. If you’re diagnosing a no-start or a fuel pressure issue, the Engine Management System (03.14) provides the wiring diagrams and sensor locations. All of it factory-sourced, not redrawn by a third party. For OBD-II diagnostics on earlier models, check the Aston Martin DB7 OBD II Diagnostics Manual”>Aston Martin DB7 OBD II Diagnostics Manual. That manual uses the same factory wiring conventions.

164 Pages of OEM Data – What You Get

The table of contents lists 19 major systems: Body (01.00), Frame (02.00), Engine (03.00), Suspension (04.00), Driveline (05.00), Brakes (06.00), Transmission (07.00), Clutch (08.00), Exhaust (09.00), Fuel (10.00), Steering (11.00), Climate Control (12.00), Gauges (13.00), Power Supply (14.00), Entertainment (15.00), Vacuum (16.00), Lighting (17.00), Electrical Distribution (18.00), and Electronic Features (19.00). Plus an appendix with diagnostic port locations, fluid capacities, special tool pictorials, maintenance schedules, and the torque conversion tables. This manual is for the DIY mechanic who wants to do the job right the first time, not the fifteenth. The OEM source eliminates the back-and-forth guessing that burns billable hours. If you work on a range of cars, the Massey-Harris-Ferguson TEF20 1956 Workshop Manual – OEM Specs”>Massey-Harris-Ferguson TEF20 1956 Workshop Manual – OEM Specs offers the same level of factory data for vintage tractors.

Source Authenticity: Why OEM Beats Aftermarket

This manual was produced by the Technical Publications Department at Aston Martin Lagonda Limited in 2008 (Issue 4). The part number is 4G43-43-10032. Every diagram, every torque value, every step was written and verified by engineers who built the car. Aftermarket publishers often omit warning notes or simplify wiring diagrams to save space. This manual includes the original caution notes – for example, warning about the A/C system high-pressure side before discharging. That’s the difference between a safe repair and a trip to the ER. I’ve seen the aftermath of a snapped spring compressor because someone skipped the safety section. Don’t be that guy.

Can I use this manual for the DB9 Volante?

Yes. The workshop manual covers all DB9 variants including Volante through the 2012 model year. The body system sections include convertible top components in the Body Closures (01.03) and Interior Trim (01.05) chapters.

How are the torque figures listed?

The appendix includes a dedicated section “Torque Figures” and “Torque Conversion Tables.” Each fastener grouping (e.g., engine cylinder head, suspension arms) references these figures from the related procedure. For example, the 6.0L V12 head bolts require a multi-step angle-torque sequence. The manual gives the exact angles and final torque in lb-ft. You will not find that detail in any aftermarket reprint. The OEM source lists the values alongside the correct tightening sequence, which is critical for aluminum blocks. Without it, you risk stripping threads or warping the head. That’s why shops like mine only use factory documents for complex jobs like timing chain replacement or transmission removal. The manual also specifies the required special tools – part numbers are in the Special Tools – Pictorial Index section. For broader automotive standards, see Automotive Industry Overview”>Automotive Industry Overview.

You’ve got the right manual in front of you. The specs are verified, the procedures are complete, and the safety notes are present. Now stop reading this page and get to work. Access the Factory Manual and put it on your bench. You’ll thank yourself when the V12 fires up on the first try.