Exhaust manifold, front exhaust pipe with Three Way Catalytic Converter (TWC) and attachments (vehicles with engine code BDF)

WARNING: This page is about a different variant/trim than selected.

Fig 1: Exhaust Manifold, Front Exhaust Pipe And Catalytic Converter With Attachments (Vehicles With Engine Code BDF)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Gasket

2 - Exhaust manifold

3 - 25 Nm

4 - 23 Nm

5 - 13 Nm

6 - 25 Nm

7 - Heat shield

8 - 10 Nm

Fig 2: Exhaust Manifold, Front Exhaust Pipe And Catalytic Converter With Attachments (Vehicles With Engine Code BDF)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

9 - Coolant pipe

10 - Connector

11 - Heated Oxygen Sensor (HO2S) -G39-* bank 1, 50 Nm

Component location: in front catalytic converter
Only grease threads with G 052 112 A3 hot bolt paste, do NOT allow hot bolt paste to get into slots on sensor body
Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC). Refer to Oxygen sensor heater for oxygen sensors before catalytic converter, checking

Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). Refer to Oxygen sensors and oxygen sensor regulation before catalytic converter, checking

Fig 3: Exhaust Manifold, Front Exhaust Pipe And Catalytic Converter With Attachments (Vehicles With Engine Code BDF)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

12 - Connector

13 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-* bank 1, 50 Nm

Component location: In rear catalytic converter
Only grease threads with G 052 112 A3 hot bolt paste, do NOT allow hot bolt paste to get into slots on sensor body
Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC). Refer to Oxygen sensor heater for oxygen sensors behind Three Way Catalytic Converter (TWC), checking

Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). Refer to Oxygen sensors and oxygen sensor regulation behind catalytic converter, checking

14 - Front exhaust pipe with catalytic converter

Fig 4: Exhaust Manifold, Front Exhaust Pipe And Catalytic Converter With Attachments (Vehicles With Engine Code BDF)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

15 - to front muffler

16 - 5 Nm

17 - Heat shield

18 - Mounting clip

19 - 40 Nm

20 - Gasket