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)05 · 04 Suspension
05 · Steering & suspension

Caster Angle

Make
Aston Martin
Model
DB9 Factory Workshop Manual
Year
Issue 2, 2005
Section
Road Wheel Alignment › Caster Angle
04 SuspensionCaster Angle

Caster Angle

Adjustment (Front)

Check and if required adjust the camber angle. If the camber angle is correct but the caster angle is still incorrect, suspect damage to the suspension components.

Ensure that the vehicle is at normal ride height.
Check tyre pressures.

  1. Check the caster settings. Follow the equipment manufacturer's instructions.
  2. Release the cam bolt lock nuts.
  3. Rotate the lower arm caster adjustment cam bolts.
  4. When the caster angle is correct, tighten the cam bolt lock nuts.
  5. Re-check alignment settings. Adjust if required.

Camber Angle

Adjustment

Ensure that the vehicle is at normal ride height.
Check tyre pressures.

  1. Check the camber settings. Follow the equipment manufacturer's instructions.
  2. Release the cam bolt lock nuts.
  3. Rotate the lower arm camber adjustment cam bolt to adjust the camber angle.
  4. Tighten the cam bolt lock nuts.
  5. Re-check alignment settings. Adjust if required.

Toe

Adjustment (Front)

Ensure that the vehicle is at normal ride height.
Check tyre pressures.

  1. Start the engine and centre the steering rack.
  2. Turn the engine off. Lock the steering position.
  3. Check the Toe settings. Follow the equipment manufacturer's instructions.

If Adjustment is Required.

  1. Clean the lock nuts and the threads of the track-rod ends.

Do not allow the steering gear boot to twist when the track-rod ends are rotated. If required release the steering gear boot clamps.

Diagram of a steering rack and track rod end showing rotation for adjustment
  1. Loosen the lock nuts and rotate the track-rod ends (in equal amounts) to adjust the Toe.
  2. Tighten the lock nuts to 70 Nm., and re-check the Toe. Adjust if required.

When correct, secure the steering gear boot clamps (if released).

Adjustment (Rear)

Ensure that the vehicle is at normal ride height.
Check tyre pressures.

  1. Check the toe settings. Follow the equipment manufacturer's instructions
  2. Release the cam bolt lock nuts.
  3. Rotate the toe control rod adjustment cam bolt to adjust the rear toe.
  4. Tighten the lock nut.
  5. Re check the Toe settings. Adjust if required.

Parts & tools for this job For 2005 Aston Martin DB9

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