Overview - Emissions Control System

WARNING: This page is about a different car, the 2023 Volkswagen Atlas. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Emissions Control System

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Turbocharger
- Removing and Installing. Refer to TURBOCHARGER .
Seal
- Replace
Screw-Type Clamp
- Replace after removing
- Installation position. Refer to Fig 2.
- Tightening specification and sequence. Refer to Fig 3.
Bracket
- For catalytic converter
Bolts
- 20 Nm
Catalytic Converter
- With front exhaust pipe
- Protect catalytic converter from shocks and impact stress
- Removing and Installing. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .
Nuts
Tightening specification and sequence. Refer to Fig 3.
Bracket
- Replace if damaged
Bolts
- 20 Nm
Catalytic Converter
- Protect catalytic converter from shocks and impact stress
- Removing and Installing. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .

Installation position of the catalytic converter screw-type clamp

Fig 2: Installed Location of the Catalytic Converter Screw Clamp

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the screw-type clamp in the shown position. The threaded connection -arrow- must have equal distance to the other components.

Catalytic Converter - Tightening Specification and Sequence

Fig 3: Catalytic Converter

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the threaded connections in steps in the sequence shown:

Step	Screw-type clamp/nuts	Tightening Specification
1.	-1, 3 and 4-	Install all the way by hand It must be possible to slide the catalytic converter and bracket back and forth.
2.	-2-	Tighten the screw-type clamp to 15 Nm. Note the installation position. Refer to Fig 2.
3.	-1, 3 and 4-	Tighten to 20 Nm