Exhaust manifold, front exhaust pipe with double catalytic converter and attachments (vehicles with engine code BJS)
WARNING: This page is about a different variant/trim than selected.
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