Pipes And Supports (09.03); Specifications; Maintenance - Aston Martin V8 Vantage Workshop Manual

Exhaust System (09.00)

Pipes and Supports (09.03)

Specifications

Torque Figures
Description
Catalyst (nuts / bolts)
Catalyst (clamps)
Centre pipe to rear pipe (clamp) 39-51
Rear Pipe to Silencer (bolt)

Maintenance

RH/LH Catalyst and Pipe Assembly-
Renew
Repair Operation Time (ROT)
Item
Catalyst and Pipe Assembly-Renew
Catalyst and Pipe Assembly-Renew
Removal
1. Raise vehicle on ramp.
2. Remove rear exhaust silencer (see Workshop Manual
procedure 09.00.KA Silencer and Bypass Valve
Assembly - Remove for Access & Refit).
3. Disconnect multiplugs (x2), HEGO sensors.
4. Secure sufficient lengths of string to HEGO sensor
multiplugs for assembly purposes.
5. Loosen LH and RH clamp nuts, catalysts to centre pipe.
6. With assistance, manoeuvre exhaust centre pipe
assembly rearwards to release from catalysts.
7. Remove nuts (x3), catalyst to exhaust manifold.
8. With assistance, release and support weight of LH/RH
catalyst from exhaust manifold.
9. Manoeuvre HEGO sensor leads and remove cable tie.
Release HEGO sensor leads from behind heat shield.
Remove string from HEGO multiplugs.
10. Remove catalyst assembly.
11. Remove and discard gasket.
12. Remove HEGO sensors (x2) from catalyst.
Installation
1. Clean catalyst, mating joint faces and HEGO sensors.
2. Install and tighten HEGO sensors (x2) to catalyst.
3. Apply proprietary exhaust sealant around pipe joints.
4. Install new gasket to exhaust manifold flange.
5. With assistance, position catalyst, secure string (x2) to
HEGO multiplugs, feed sensor leads behind heat shield.
Install catalyst to exhaust manifold.
6. Install and torque tighten nuts (x3), catalyst to exhaust
manifold.
7. Align centre pipe assembly to catalyst, torque tighten
clamp nuts.
October 2005
Nm lb. / ft.
25.5-34.5 19-25.5
19-22 14.5-16.5
29-38
28-33 21-24.5
Code
RH 09.00.BB
LH 09.00.AB
Workshop Manual
8. Remove string (x2), connect multiplugs (x2), HEGO
sensors.
9. Install rear exhaust silencer (see Workshop Manual
procedure 09.00.KA Silencer and Bypass Valve
Assembly - Remove for Access & Refit).
10. Lower vehicle on ramp.
Exhaust Centre Pipe-Renew
Repair Operation Time (ROT)
Item
Exhaust Centre Pipe-Renew
Removal
1. Raise vehicle on ramp.
2. Remove pipe assembly exhaust rear - RH (see
Workshop Manual procedure 09.00. Pipe Assembly -
Exhaust - Rear - RH - Renew).
3. Remove pipe assembly exhaust rear - LH (see Workshop
Manual procedure 09.00.JB Pipe Assembly - Exhaust -
Rear - LH - Renew).
4. Loosen clamp nuts (x2), centre pipe to LH and RH
catalysts.
5. Release centre pipe from mountings, LH and RH
catalysts, remove centre pipe.
6. Remove bolts (x3), heatshield to centre pipe, remove
heatshield.
7. Remove Torx screws (x4), mounting bracket to centre
pipe, remove bracket.
Installation
1. Use a proprietary exhaust sealant around all pipe joints
prior to installation of exhaust system.
2. Install mounting bracket to centre pipe, install and
tighten Torx screws (x4).
3. Install heatshield to centre pipe, install and tighten bolts
(x3).
4. Apply exhaust sealant to centre pipe joints.
5. Install centre pipe to both catalysts and centre
mountings. Do not torque clamp nuts at this stage.
6. Install pipe assembly exhaust rear - LH (see Workshop
Manual procedure 09.00.JB Pipe Assembly - Exhaust -
Rear - LH - Renew).
7. Install pipe assembly exhaust rear - RH (see Workshop
Manual procedure 09.00.HB Pipe Assembly - Exhaust -
Rear - RH - Renew).
8. Align and torque tighten exhaust system nuts/bolts.
9. Lower vehicle on ramp.
RH Exhaust Manifold-Renew
Repair Operation Time (ROT)
Item
Exhaust Manifold-Renew

Pipes and Supports (09.03)

Exhaust System (09.00)
Code
09.00.BC
Code
RH 09.00.CA
9-2-1