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 Compressor Relief Valve Replacement
    1. Recover the refrigerant with a recovery/recycling/charging station (see page 21-80). 2. Raise the vehicle on a lift. 3. Remove the relief valve (A) and the O-ring (B). Plug the opening to k ...

    Synchro Ring and Gear Inspection
    1. Inspect the synchro rings for scoring, cracks, and damage (A). Example of synchro ring teeth      2. Inspect the inside of each synchro ring (B) for wear. Inspect the ...

    Intermediate Shaft Removal
    1. Drain the transmission fluid. Reinstall the drain plug using a new sealing washer: -Manual transmission (see page 13-5) -Automatic transmission (see page 14-192) 2. Remove the right driveshaft ...