18 10 031 Replacing Rear Muffler (N52K)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

00 2 210 00 2 210 EXHAUST PIPE CUTTER
31 2 220 31 2 220 SUPPORT PLATE

WARNING: Scalding hazard!
Only perform these tasks after exhaust system has cooled down.

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

Fig 1: Identifying Special Tool (31 2 220)

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NOTE: If the cutting lines are not identified by notches in the pipes, they must be determined by means of the pipe lengths on the new rear muffler (2).
Carry over cutting lines to faulty rear muffler (2) and mark out.

Fig 2: Identifying Mark On Front Muffler

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

Fig 3: Identifying Special Tool (00 2 210)

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Secure exhaust system against falling off.

Release screws and remove holder (1).

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

Fig 4: Locating Screws

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Release screws and remove holder (1).

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

NOTE: Texts refer to and illustrations show the left side. The procedure is identical for the right side.

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

Fig 5: Locating Screws

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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 5AZ 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 6: Tightening Centre Clamps

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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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NOTE: Check rubber mount for damage and replace if necessary.
Check exhaust system for leaks.