Muffler, Removing And Installing, AUDI A6/A7: Removing

WARNING: This page is about a different car, the 2022 Audi A6 Quattro and 2021 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the front and rear tunnel brace. Refer to OVERVIEW - UNDERBODY CROSSMEMBERS .

-- Equipped on some models: remove the left and right diagonal brace. Refer to DIAGONAL BRACES, REMOVING AND INSTALLING .

-- Loosen the clamping sleeve -arrows- and push toward the rear.

Fig 1: Identifying Bolts

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CAUTION:

Risk of damaging the coupling due to improper handling.

- Coupling must not be bent more than 10°.

- Do not load the coupling on the cable.

-- Slightly lower the front muffler and remove the clamping sleeve.

-- Tie up the front muffler.

Exhaust System with Red Colored Retaining Loop:

Courtesy of AUDI OF AMERICA, LLC

-- Place the :T10337 on the :VAS6931 and position it at the bottom of the subframe.

CAUTION:

There is a risk of an accident when lowering or lifting the vehicle when the engine and gearbox jack is underneath it.

- Never lift or lower the vehicle when the engine and gearbox jack is underneath it.

- Never leave the engine and gearbox jack under the vehicle any longer than necessary.

Continuation for All Vehicles:

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CAUTION:

Risk of accident due to the heavy weight of the muffler.

- A second technician is required for the following work steps.

Exhaust System with Red Colored Retaining Loop:

-- Remove the bolts -2, 3, and 4- and the muffler -1-.

-- Tighten the subframe bolts -2 and 4- to the specification without an additional turn. Refer to OVERVIEW - SUBFRAME .

Exhaust System with Black Colored Retaining Loop:

-- Remove the retaining loop from the brackets -2 and 4-.

-- Remove the bolts -3- and remove the muffler -1-.