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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    Block and Piston inspection
    1. Remove the crankshaft and the pistons (see page 7-14). 2. Check the piston for distortion or cracks. 3. Measure the piston diameter at a point 13 mm (0.5 in) from the bottom of the skirt. T ...

    Rear Door Sash Inner Trim Replacement
    4-door NOTE: Take care not to scratch the door. 1. Remove the door panel (see page 20-38). 2. Lower the glass fully. 3. Remove the door sash inner trim (A). -1. Pull back the outside edge ...

    Reporting Safety Defects
    In the US If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administratio ...