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:

    Connector to Harness Index
    Starter Subharness Engine Wire Harness (M/T) Engine Wire Harness ( A / T ) *1: PZEV *2: Except PZEV CKP Sensor Subharness Shift Solenoid Wire Harness (A/T) Transmission Rang ...

    Cylinder Head Inspection for Warpage
    1. Remove the cylinder head (see page 6-76). 2. Inspect the camshaft (see page 6-84). 3. Check the cylinder head for warpage. Measure along the edges, and three ways across the center. - If ...

    APP Sensor Signal I n s p e c t i o n
    NOTE: - This procedure checks the APP sensor in its fully closed position. In any other position, the APP sensor stores DTCs which are covered in other troubleshooting procedures. - Check for P ...