18 00 020 Removing And Installing Complete Exhaust System (N54)

Special tools required:

WARNING: Scalding hazard!
These tasks should only be carried out on an exhaust system that has cooled down.

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

Necessary preliminary tasks:

Support exhaust system with jack and special tool 31 2 220 and secure against falling out.

Fig 1: Supporting Exhaust System With Jack

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Unscrew nuts.

Installation:

Replace self-locking nuts.

Replace seal.

Tightening torque. See 18 00 1AZ in 18 00 EXHAUST ASSEMBLY .

Fig 2: Locating Self-Locking Nuts

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Release bolt and remove bracket (1).

Tightening torque. See 18 20 1AZ in 18 20 EXHAUST SYSTEM SUSPENSION .

Fig 3: Locating Exhaust Pipe Bracket Bolt

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Unfasten nut.

Tightening torque. See 18 00 4AZ in 18 00 EXHAUST ASSEMBLY .

Fig 4: Locating Unfasten Nut

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Release screws.

Fig 5: Locating Screws

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Unscrew nuts.

Tightening torque. See 18 00 2AZ in 18 00 EXHAUST ASSEMBLY .

Fig 6: Identifying Unscrew Nuts

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Unfasten nut.

Picture shows right bracket, procedure for left side is identical.

Fig 7: Locating Unfasten Nut

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Disconnect pressure hose. Unscrew nuts.

Tightening torque. See 18 00 6AZ in 18 00 EXHAUST ASSEMBLY .

Fig 8: Locating Pressure Hose

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Installation:

Check exhaust system for leaks.