Honda Accord: Under-floorTWC Removal/Installation - Catalytic Converter System - Fuel and Emissions - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Under-floorTWC Removal/Installation

1. Raise the vehicle on a lift.

2. Remove the exhaust pipe hangers (A).

3. Remove the under-floor TWC (B).


3. Remove the under-floor TWC (B).

4. Install the parts in the reverse order of removal with new gaskets (C) and new self-locking nuts (D).

    Warm Up TWC Removal/Installation
    1. Raise the vehicle on a lift. 2. Remove the secondary H02S (Sensor 2) (see page 11-197). 3. Remove the bolts (A). 4. Remove the WU-TWC bracket (B). 5. Lower the vehicle. 6. Remove th ...

    PCV System
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    See also:

    A/C Condenser Fan High Speed Circuit Troubleshooting
    ECM/PCM CONNECTOR A (49P) Terminal side of female terminals Is there battery voltage? YES-Go to step 6. NO-Repair an open in the wire between the under-hood fuse/relay box and the ECM/PCM. If ...

    General Troubleshooting Information
    Lever-Locked Connector Disconnecting To disconnect the connector, pull the lever (A) while pushing the lock tab (B) down, then pull the connector (C). Connecting To connect the connector, push ...

    About Your Audio System
    See the Navigation System Manual for information on the navigation system. The audio system features AM/FM radio and the XM® Radio service*. It can also play audio CDs, WMA/MP3/AAC files, Hard ...