Center muffler and rear muffler, separating

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

A separating point has been provided in connecting pipe for individual replacement of center or rear muffler.
The separating point is marked by a depression around circumference of exhaust pipe.

Special tools, testers and auxiliary items required

Fig 1: Chain Pipe Cutter VAS 6254

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Chain pipe cutter VAS 6254

Work procedure

Fig 2: Separating Exhaust Pipes At Separating Point Using Chain Pipe Cutter VAS 6254 At A Right Angle

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Separate exhaust pipes at separating point - arrows - using chain pipe cutter VAS 6254 at a right angle.

NOTE:

The middle of the 3 impressions on the exhaust pipe is the separating point.

Fig 3: Positioning Clamping Sleeves At Center On Separating Cut

Courtesy of VOLKSWAGEN UNITED STATES, INC.

When installing, position clamping sleeves - 1 - and - 2 - at center on separating cut.

Fig 4: Installation Position Of Double Clamps

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When installing double clamps, ensure that the bolt ends do not project beyond lower edge of double clamp.

Threaded connections point toward outside.

Align exhaust system free of tension → Exhaust system, installing tension free .
Tighten clamping sleeves mounting bolts uniformly to 23 Nm.