Workshop Manuals Factory service & repair Aston Martin
01 00 Introduction02 01 Body system03 02 Frame and mounting04 03 Engine05 04 Suspension06 05 Driveline07 06 Brake system08 07 Transmission09 08 Clutch10 09 Exhaust11 10 Fuel12 11 Steering13 12 Climate control14 13 Information, gauge and warning15 14 Power supply16 15 Vehicle entertainment17 16 Vacuum distribution18 17 Lighting19 18 Electric distribution and electronic control20 19 Electronic features21 20 Appendix and glossary
Aston Martin DB9 Factory Workshop Manual (Issue 2, 2005)07 · 06 Brake system
07 · Brakes

Maintenance

Make
Aston Martin
Model
DB9 Factory Workshop Manual
Year
Issue 2, 2005
Section
Brake Actuation System › Maintenance
06 Brake systemMaintenance

Maintenance

Master Cylinder

Repair Operation Time (ROT)
ItemCode
Master Cylinder Renew06.06.EB

Removal

  1. Remove the coolant reservoir (LH drive only).

    To give better access. Be aware that there is a wiring harness plug connected to the header tank on the under side.

    View of the coolant reservoir and wiring harness plug connection point
  2. Disconnect the two outlet pipes. Install blanking plugs to all ports and pipe ends to prevent brake fluid leakage.

    Mark each pipe - for correct installation.

⚠ Warning
Avoid skin / eye contact or ingestion of brake fluid. If skin or eyes are splashed with brake fluid, rinse the affected area immediately with plenty of water and obtain medical attention. If brake fluid is ingested, obtain immediate medical attention.

Caution
Brake fluid must not be allowed to contact the vehicle paint work. Remove spilt brake fluid from the paint work by rinsing away with running water.

Place suitable absorbent material around the brake fluid reservoir area to catch any spilt brake fluid.

Figure
  1. Disconnect the pressure sensor wiring harness plug.
  2. Remove the two nyloc nuts that secure the master cylinder to the brake booster. Withdraw the master cylinder. Discard the 'O' ring and nyloc nuts.
Master cylinder being withdrawn from the brake booster, with the O-ring separating

Installation

  1. Install a new 'O' ring.
    Master cylinder with a new O-ring being aligned for installation

Parts & tools for this job For 2005 Aston Martin DB9

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