Front Exhaust Pipe with Catalytic Converters
Front Exhaust Pipe with Catalytic Converters
- Remove the Heated Oxygen Sensor (HO2S) (G39) and the HO2S 2 (G108). Refer to => [ Heated Oxygen Sensor and Heated Oxygen Sensor 2 ] Heated Oxygen Sensor and Heated Oxygen Sensor 2.
- If present, remove the bracket from the front exhaust pipe - arrow -.
- Remove the front exhaust pipe to exhaust manifold nuts - arrows - accessible from the top.
- Remove the center noise insulation.
- Remove right front section of the wheel housing liners.
- Remove the three bolts - arrows - on the right floor panel cover.
- Disconnect the connectors for the HO2S behind Three Way Catalytic Converter (TWC) (G130) - 1 - and Oxygen Sensor (O2S) 2 behind TWC (G131) - 2 - at the underbody.
- Remove the connection coupling from the bracket and free up wiring to the HO2S behind TWC (G130) and O2S 2 behind TWC (G131).
- Remove the front exhaust pipe to exhaust manifold nuts - arrows - accessible from the bottom.
- Remove the front underbody crossmember by removing nuts - 1 and 2 -.
• Do not bend the decoupling elements in the exhaust pipe more than 20° or they may be damaged.
- Separate exhaust system at clamping sleeve - 3 -.
- Remove the suspended mount bracket bolts - arrows -.
- Remove the front exhaust pipe with catalytic converters.
Installing
Installation is performed in the reverse order of removal, noting the following.
• Replace gaskets and self-locking nuts.
- Align the exhaust system free of tension. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.
Tightening Specifications
* Replace bolts and nuts.