18 00 020 Removing and Installing Complete Exhaust System (N52K)

Special tools required: 

• 31 2 220 31 2 220 SUPPORT PLATE

Danger of injury!

Removal of the exhaust system must be carried out with the assistance of a second person.

Support exhaust system with special tool 31 2 22 31 2 220 SUPPORT PLATE .

Fig 1: Identifying Special Tool (31 2 220)

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Unfasten screw connection.

Slacken ball band clamp (1) from exhaust pipe.

Installation: 

• Replace ball band clamps.
• Apply a thin coating of copper past to contact surface between ball and socket.
• When tightening down ball band clamps, press exhaust system against both manifold flanges in order to achieve gap-free installation.
  Fig 2: Locating Screw

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• Install ball band clamp at right angles to exhaust pipe.
• Tightening torque 18 31 1AZ, see 18 31 EXHAUST SYSTEM .

Release screws and remove holder (1).

Tightening torque 18 20 1AZ, see 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 3: Locating Screws

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Release screws and remove holder (1).

Tightening torque 18 20 1AZ, see 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 4: Identifying Holder

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Release screws and remove holder (1).

Tightening torque 18 20 2AZ, see 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 5: Locating Screws

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Release screws and remove holder (1).

Tightening torque 18 20 3AZ, see 18 20 EXHAUST SYSTEM SUSPENSION .

Lower and remove exhaust system with assistance of a second person.

Fig 6: Locating Screws

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Installation: 

Align both tail pipes (1) of rear muffler in each case centrally to openings in rear apron.

Fig 7: Identifying Tail Pipes

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Installation: 

Check rubber mount for damage, replace if necessary.

Check exhaust system for leaks.