Passat Sedan 4Motion V6-3.6L (BLV) (2007)
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Check oxygen sensor heater for oxygen sensors before Three Way Catalytic Converter (TWC).
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Check Oxygen Sensors (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC).
6
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Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-*, 50 Nm
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In exhaust gas stream of cylinders 4, 5 and 6
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Only grease threads with G 052 112 A3 locking compound, do NOT allow locking compound to get into slots on sensor body
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remove and install using ring spanner 7 - piece set (3337) for oxygen sensor
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Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC)
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Check Oxygen Sensors (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
7
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Connector
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Black, 4 - pin
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Connector terminals are gold-plated
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For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
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Component location of harness connector => Fig. 1
8
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Connector
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Brown, 4 - pin
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Connector terminals are gold-plated
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For Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-
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Component location of harness connector => Fig. 1
9
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Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-*, 50 Nm
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In exhaust gas stream of cylinders 1, 2 and 3
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Only grease threads with G 052 112 A3 locking compound, do NOT allow locking compound to get into slots on sensor body
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remove and install using ring spanner 7 - piece set (3337) for oxygen sensor
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Check oxygen sensor heater for Oxygen Sensors (O2S) behind Three Way Catalytic Converter (TWC)
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Check Oxygen Sensors (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
10
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Heat shield
11
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Intake manifold support
12
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20 Nm
13
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Gasket
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Replace
14
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Exhaust manifold
15
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25 Nm
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Replace
16
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Front muffler
17
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To center muffler
18
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25 Nm
19
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Mount
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For front exhaust pipe at left and right
20
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Catalytic converter
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For some vehicles, there is an additional oxygen sensor installed behind Three Way Catalytic Converters (TWC). Both sensors are actually
connected but do not function.
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Check catalytic converter
21
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Primary catalytic converter
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Check catalytic converter.
Fig. 1 Component location of oxygen sensors, harness connectors
1 - 6-pin harness connector, black:
For Heated Oxygen Sensor (HO2S) -G39-
2 - 4-pin harness connector, black
For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
3 - 6-pin harness connector, brown