Honda Accord: 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 the frame brace (see page 20-306).
7. Remove the A/F sensor (Sensor 1) (see page 11-197).
8. Remove the upper converter cover (A).
9. Remove the WU-TWC (B) and the gaskets (C).
10. Remove the converter cover (A).
11. Install the parts in the reverse order of removal with new gaskets.
DTC Troubleshooting
DTC P0420: Catalyst System Efficiency Below
Threshold
NOTE:
- Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see pa ...
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).
4. Install the parts in the reverse order of removal with
new gaskets (C) and new s ...
See also:
Outside Air Temperature Sensor
Replacement
1. Lift the tab (A) to release the lock, then remove the
outside air temperature sensor (B) from the front
bumper beam. Disconnect the 2P connector (C) from
the outside air temperature sensor.
2 ...
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 ...
Front Grille Cover Replacement
2-door
NOTE:
- Take care not to scratch the front grille or the body.
- When prying with a flat-tip screwdriver, wrap it with
protective tape to prevent damage.
1. Remove the front grille cov ...