Exhaust manifold, front exhaust pipe with double catalytic converter and attachments (vehicles with engine code BJS)
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen R32, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exhaust Manifold, Front Exhaust Pipe With Double Catalytic Converter And Attachments, Assembly Overview (Vehicles With Engine Code BJS)
1 - Heat shield
2 - M6 - 10 Nm, M8 - 25 Nm, M10 - 40 Nm
3 - Gasket
- replace
- 2-piece
- Note installation position
4 - Exhaust manifold
- 2-piece
5 - Front exhaust pipe
6 - Connector
- Black, 6-pin
- Terminals are gold-plated
- Component location: At right vehicle underside
7 - Heated Oxygen Sensor (HO2S) -G39-* bank 1, 50 Nm
- Component location: in front exhaust pipe
- 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 sensors before Three Way Catalytic Converter (TWC). Refer to Oxygen sensor heater for oxygen sensors before catalytic converter, checking
- Check Oxygen Sensors (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). Refer to Oxygen sensors and oxygen sensor regulation before catalytic converter, checking
Fig 2: Exhaust Manifold, Front Exhaust Pipe With Double Catalytic Converter And Attachments, Assembly Overview (Vehicles With Engine Code BJS)
8 - Heated Oxygen Sensor (HO2S) 2 -G108-* bank 2, 50 Nm
- Component location: in front exhaust pipe
- 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 sensors before Three Way Catalytic Converter (TWC). Refer to Oxygen sensor heater for oxygen sensors before catalytic converter, checking
- Check Oxygen Sensors (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC). Refer to Oxygen sensors and oxygen sensor regulation before catalytic converter, checking
9 - Connector
- Brown, 6-pin
- Terminals are gold-plated
- Component location: At right vehicle underside
10 - Connector
- Brown, 4-pin
- Terminals 3 and 4 gold-plated
- Component location: At right vehicle underside
11 - Double catalytic converter
- With stop for double clamp behind junction of exhaust pipes
12 - Connector
- Black, 4-pin
- Terminals 3 and 4 gold-plated
- Component location: At right vehicle underside
13 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-* bank 1, 50 Nm
- Component location: In rear double 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 Sensors (O2S) behind Three Way Catalytic Converter (TWC). Refer to Oxygen sensor heater for oxygen sensors behind Three Way Catalytic Converter (TWC), checking
- Check Oxygen Sensors (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). Refer to Oxygen sensors and oxygen sensor regulation behind catalytic converter, checking
14 - to front muffler
- Refer to Muffler with mounts (vehicles with engine codes BJS) , item 5
15 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-* bank 2, 50 Nm
- Component location: In rear double 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 Sensors (O2S) behind Three Way Catalytic Converter (TWC). Refer to Oxygen sensor heater for oxygen sensors behind Three Way Catalytic Converter (TWC), checking
- Check Oxygen Sensors (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC). Refer to Oxygen sensors and oxygen sensor regulation behind catalytic converter, checking
16 - Wire routing
- secured to subframe
17 - Washer