Muffler: Service and Repair

Muffler with Mounts, Assembly Overview





1 Double clamp, 40 Nm

2 Center muffler

3 Mounting bolt, 25 Nm

4 Suspended mount

• Installed location --> [ Installation Position of Double Clamps in Direction of Travel ]

5 Separating point

• For repairs

• Identified on exhaust pipe by an impression

• As standard, center and rear mufflers are installed as a single component. For cases of repair, the middle and rear mufflers are supplied individually and with a double clamp for connecting.

• Cut through connecting pipe at right angles at the separating point using body repair saw (V.A.G 1523A).

• Notches left and right of separating point must still be visible after installing double clamps

6 Rear muffler

• Installing muffler free of tension

7 Suspended mount

• Installed location --> [ Aligning Exhaust System ]

• Replace if damaged

8 Double clamp

• Installed location --> [ Installation Position of Double Clamps in Direction of Travel ]

• Must be slid to its center onto front exhaust pipe.

9 Suspended mount

• Installed location --> [ Aligning Exhaust System ]

• Replace if damaged

10 Double clamp

• Must be slid to its center onto front exhaust pipe.

Installation Position of Double Clamps in Direction of Travel





1 The end of the bolt must not project beyond lower edge of clamp.
2 Angle 10° + 5°

Aligning Exhaust System





Conditions

• Exhaust system, cold

Procedure

- Press exhaust system in direction of travel - 1 - and tighten double clamps tightly until dimension - a - at suspensions is reached.

Center muffler: dimension - a - = 10 mm

Rear muffler dimension - a - = 15 mm