Muffler: Service and Repair

Muffler with Mounts Overview






1 Suspended Mount

• Replace if damaged

2 Bolt

• 25 Nm

3 Retaining Loop

• Replace if damaged

4 Nut

• 25 Nm

5 To Vacuum Control Module

• Installed location: behind the left rear wheel.

• Individual components, refer to => [ Vacuum Control Unit, Individual Components ].

6 Vacuum Actuator

• Use the hand vacuum pump (VAS 6213) to check operation.

7 Rear Muffler

• Original equipment as one unit with the center muffler. For repairs, replace each separately.

• Separating exhaust system.

• Install the exhaust system free of stress. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

8 Suspended Mount with Retaining Loops

• Replace if damaged

9 Bolt

• 25 Nm

10 Rear Clamping Sleeve

• Align the exhaust system before tightening. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

• Tighten bolts evenly

• Clamping sleeve location, refer to => [ Rear Clamping Sleeve Installed Position ] Description and Operation.

11 Center Muffler

• Original equipment as one unit with rear muffler. For repairs, replace each separately.

• Separating the exhaust system.

12 Front Clamping Sleeve

• Align the exhaust system before tightening. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

• Clamping sleeve location, refer to => [ Clamping Sleeves ] Description and Operation.

• Tighten bolts evenly

13 Nut

• 25 Nm

Vacuum Control Unit, Individual Components





1 Bracket
2 To intake manifold => [ (Item 10) Low Pressure Connection ] Intake Manifold Overview
3 Separating point
4 Bolt, 25 Nm
5 To vacuum reservoir
6 Exhaust door valve 1 (N321)
7 From exhaust flap vacuum actuator => [ (Item 6) Vacuum Actuator ]