Muffler Assembly, Assembly Overview, Non-Hybrid Vehicles With All Engine Codes Except CDZA

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Audi Q5, 2016 Audi Q5, 2015 Audi Q5, 2014 Audi Q5, and 2013 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The exhaust manifold and turbocharger are one component; Removing and Installing, refer to TURBOCHARGER, REMOVING AND INSTALLING .

Fig 1: Overview Of Muffler Assembly (Non-Hybrid Vehicles)

Courtesy of AUDI OF AMERICA, LLC

Center Muffler
- Original equipment as one unit with rear muffler. For repairs, replace each separately
- Separating point, refer to EXHAUST PIPES/MUFFLERS, SEPARATING .
- Align the exhaust system free of tension, refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Bolt
- Tightening Specification: 23 Nm
Suspended Mount
- Replace if damaged.
- Check pretension, refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Bolt
- Tightening Specification: 23 Nm
Retaining Loop
- Replace if damaged.
Front Muffler
- With a flex joint
  CAUTION:
  Danger of damaging the decoupling element.
  - Decoupling element must not be bent more than 10°.
  - Do not load decoupling element on cable.
  - Do not damage wire mesh at decoupling element.
- Removing and installing, refer to FRONT MUFFLER, REMOVING AND INSTALLING, NON-HYBRID VEHICLES .
- Align the exhaust system free of tension, refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Seal
- Replacing
Front Clamping Sleeve
- Before tightening, align exhaust system free of tension, refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
- Installed position, refer to Fig 2
- Tighten bolts evenly
Nut
- Tightening Specification: 23 Nm
Bracket
Tail Pipe
- For repairs, replace each separately, refer to TAIL PIPES, REPLACING .
- Separating point between the rear muffler and the tailpipe, refer to TAIL PIPES, REPLACING
Clamp
- Tightening Specification: 25 Nm
Suspended Mount
- Replace if damaged.
- Check pretension, refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Bolt
- Tightening Specification: 23 Nm
Rear Muffler
- Original equipment as one unit with center muffler. For repairs, replace each separately
- Separating point, refer to EXHAUST PIPES/MUFFLERS, SEPARATING .
- Align the exhaust system free of tension, refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
Rear Clamping Sleeve
- Before tightening, align exhaust system free of tension, refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
- Installed position, refer to Fig 2
- Tighten bolts evenly
Nut
- Tightening Specification: 23 Nm
Bolt
- Tightening Specification: 23 Nm
Suspended Mount
- Replace if damaged.
- Check pretension, refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .

Fig 2: Identifying Installed Position Of Rear Double Clamps

Courtesy of AUDI OF AMERICA, LLC

-- Install the clamping sleeve so that the ends of the bolt do not extend beyond the lower edge of the clamping sleeve.

Front clamping sleeve: The bolted connections point to the left
Rear clamping sleeve: The bolted connections point forward