18 10 040 Replacing Front Muffler (N62TU)

Special tools required: 

• 00 2 210
• 31 2 220

Support exhaust system with special tool 31 2 220 .

Fig 1: Identifying Special Tool (31 2 220)

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Fig 2: Identifying Mark On Front Muffler

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Cut both exhaust pipes at marked points with special tool 00 2 210 and deburr.

Fig 3: Identifying Special Tool (00 2 210)

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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. Install ball band clamp at right angles to exhaust pipe. Tightening torque 18 31 1A, see EXHAUST SYSTEM - TIGHTENING TORQUES .

Fig 4: Ball Band Clamp

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Release screws and remove holder (1).

Tightening torque 18 20 3A, see EXHAUST SYSTEM - TIGHTENING TORQUES .

Fig 5: Locating Screws And Holder (1)

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Release screws and remove holder (1).

Tightening torque 18 20 3A, see EXHAUST SYSTEM - TIGHTENING TORQUES .

Lower and remove front muffler with assistance of a second person.

Fig 6: Locating Screws And Holder (1)

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Installation: 

Connect front muffler to rear muffler by means of clamps and align.

Centre clamps and tighten down.

Tightening torque 18 20 5A, see EXHAUST SYSTEM - TIGHTENING TORQUES . .

Fig 7: Tightening Centre Clamps

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Installation: 

Align front muffler to fit so both tail pipes (1) of rear muffler are centrally situated in openings in rear apron.

Fig 8: Identifying Tail Pipes

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