Removing Primary Catalytic Converter
WARNING: This page is about a different variant/trim than selected.
CAUTION:
Hot components
- Risk of burns
→ Let hot components cool down.
→ Wear personal protective gear.
- Loosen V-band clamp -1-
.
- 1.1 Loosen screw -2- and relieve tension on V-band clamp -1- .
- 1.2 Loosen V-band clamp -1- from the turbocharger/catalytic converter flange using a hammer and wedge.
V-band clamps on turbocharger/catalytic converter flange
- Unscrew oxygen sensors downstream of catalytic converter -1 and 2-
.
> WM, 247319 REMOVING AND INSTALLING OXYGEN SENSOR DOWNSTREAM OF CATALYTIC CONVERTER (V6 BITURBO)
Oxygen sensors downstream of catalytic converter
- Loosen catalytic converter flange.
- 3.1 Spray nuts -1- with anti-rust agent if necessary and leave it to take effect.
- 3.2 Loosen and unscrew nuts -1- .
Catalytic converter flange
- From model year 2019
Remove V-band clamp -2- .
- 4.1 Loosen screw -1- and loosen and remove V-band clamp -2- from the flange.
V-band clamp on catalytic converter
- Loosen primary catalytic converter -1-
at holder -3-
and remove it.
- 5.1 Unscrew and remove screws -2- .
- 5.2 Remove primary catalytic converter -1- .
Removing primary catalytic converter