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:
Accessories and Modifications
Modifying your vehicle, or installing
some non-Honda accessories, can
make your vehicle unsafe. Before
you make any modifications or add
any accessories, be sure to read the
following inform ...
Mainshaft Inspection
1. Inspect the gear and bearing contact areas for wear
and damage, then measure the mainshaft at points A,
B, C, D, and E. If any part of the mainshaft is less than
the service limit, replace it.
...
Front Door Panel Removal/Installation
Special Tools Required
-KTC Trim Tool Set SOJATP2014*
-Trim Pad Remover Snap-on A 177A,
commercially
available
*Available through the Honda Tool and
Equipment
Program; call 888-424-6857
2-do ...