Overview - Emissions Control System

Fig 1: Exploded View Of Emissions Control System

Courtesy of AUDI OF AMERICA, LLC

1. Particulate Filter
   • Market-Specific Version
   • Individual mounting components to transmission. Refer to Fig 3.
   • Removing and Installing. Refer to PARTICULATE FILTER, REMOVING AND INSTALLING .
2. Seal
   • Replace after removing
3. Turbocharger
   • Overview. Refer to OVERVIEW - TURBOCHARGER .
4. Seal
   • Replace after removing
5. Screw-Type Clamp
   • Replace after removing
   • Installation position. Refer to Fig 2.
   • 15 Nm
6. Catalytic Converter
   • There are different versions. Refer to the appropriate Electronic Parts Information for the allocation.
   • Protect from shocks and impact stress
   • Individual mounting components to transmission. Refer to Fig 4.
   • Removing and Installing. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .
   • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
7. Nut
   • Replace after removing
   • 23 Nm

Installation position of the catalytic converter screw-type clamp

Fig 2: Installation Position of the Catalytic Converter Screw-Type Clamp

Courtesy of AUDI OF AMERICA, LLC

• Angle -α- = 60°.

Individual Components for Mounting the Particulate Filter to Transmission - All with Particulate Filter except Audi Q7/Q8

Fig 3: Individual Components for Mounting the Particulate Filter to Transmission

Courtesy of AUDI OF AMERICA, LLC

1. Spacer Sleeve
2. Spacer Sleeve
3. Pressure Spring
4. Washer
5. Bolt - 23 Nm
6. Bolt - 23 Nm
7. Spacer Sleeve
8. Rubber Bushing
9. Tab

Individual Components for Mounting the Catalytic Converter to Transmission - Vehicles with Particulate Filter

Fig 4: Individual Components for Mounting the Catalytic Converter to Transmission

Courtesy of AUDI OF AMERICA, LLC

1. Spacer Sleeve
2. Pressure Spring
3. Washer
4. Bolt - 23 Nm
5. Spacer Sleeve
6. Bolt - 23 Nm
7. Rubber Bushing
8. Tab
9. Spacer Sleeve