Overview - Emissions Control System

Fig 1: Exploded View Of Emissions Control System

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Bolt
   • 20 Nm
2. Bracket
   • Replace if damaged
3. Nut
   • Tightening specification and sequence. Refer to Fig 2.
4. Bolt
   • 20 Nm
5. Nut
   • Tightening specification and sequence. Refer to Fig 2.
6. Bracket
7. Bracket
   • Not Installed
8. Bolt
   • Not Installed
9. Bolt
   • Not Installed
10. Front Exhaust Pipe with Catalytic Converter
    • Do not bend the decoupling element more than 10° - otherwise it may get damaged
    • Do not stretch the decoupling element.
    • Do not damage the wire mesh on the decoupling element.
    • Protect catalytic converter from shocks and impact stress
    • Removing and installing. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .
    • Remove decoupling element guard on replacement part as late as possible
    • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
11. Screw-Type Clamp
    • Tightening specification and sequence. Refer to Fig 2.
12. Seal
    • Replace after removing.
13. Turbocharger
14. Nut
    • 30 Nm
15. Front Clamping Sleeve
    • Before tightening, align the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
    • Installation position. Refer to the following figure.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the clamping sleeve in the position shown.

• Angle -α- = approximately 20°.
• Threaded connection to the right.
• The nuts are toward the top.

Fig 2: Catalytic Converter - Tightening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.