Aston Martin V8 Vantage Workshop Manual page 239

Pipes and Supports (09.03)
Exhaust System (09.00)
23. Remove bolts (x11), heatshields to centre, LH and RH
rear pipes. Remove heatshields.
Installation
1. Clean heatshields.
2. Position heatshields to centre, LH and RH rear pipes.
Install and tighten bolts.
3. Install new flange gaskets to exhaust manifolds.
4. With assistance, install both catalysts, install and torque
tighten nuts (x6).
5. Feed HEGO sensor harnesses behind heat shield, secure
harnesses with cable ties.
6. Apply exhaust sealant to centre pipe, install centre pipe
to catalysts and centre mounting. Do not torque clamp
nuts at this stage.
7. Apply exhaust sealant to LH and RH rear pipes.
8. Install LH and RH rear pipes to centre pipe. Do not
torque clamp nuts at this stage.
9. Install both rear rubber mountings and hanger brackets
to silencer.
10. Position silencer on lifter. Install silencer, position
hangers, install and tighten bolts (x4).
11. Install front mountings to silencer, install and tighten
bolts (x4).
12. Align silencer to rear pipes, install springs (x4) and bolts
(x4). Do not torque bolts at this stage.
13. Install and align stub pipes (x2) to muffler and to trims in
bumper. Align clamps, do not torque tighten.
14. Connect lines to both by-pass vacuum valves.
15. Remove string from multiplugs. Connect multiplugs to
HEGO sensors.
16. Working from front to rear, set all exhaust to body
clearances.
17. Tighten all exhaust fixings to the correct torque.
18. Install subframe cross brace, install and torque tighten
bolts (x4).
19. Position mounting brackets, install rear bumper diffuser.
Install and tighten Allen bolts.
20. Install undertrays - vehicle set (see Workshop Manual
procedure 01.02.PD Undertrays - Vehicle Set - Renew).
21. Lower vehicle on ramp.
9-2-4 Workshop Manual October 2005