Lightly coat the reverse idler gear shaft (A), the needle bearing (B), and new O-rings (C) with lithium grease.

Assemble the new O-rings and the needle bearing on the reverse idler gear shaft, then install the reverse idler gear shaft in the reverse idler gear shaft holder (D). Align the D-shaped cut out (E) of the shaft with the D-shaped area (F) of the holder.
Install the reverse idler gear in the transmission housing in the direction shown.

Install the reverse idler gear shaft/holder assembly in the reverse idler gear.

Secure the holder with the bolts.
Tire Pressure Monitoring System (TPMS)
U.S. models only
Your vehicle is equipped with a tire pressure monitoring system (TPMS) that
turns on every time you start the engine and monitors the pressure in your tires
while driving.
Each ...
Driver's Airbag Replacement
NOTE:
If replacing the driver's airbag after deployment, refer to
Component Replacement/Inspection After Deployment for a
complete list of other parts that must also be replaced.
...
Rear Door Panel Removal/Installation
Special Tools Required
KTC Trim Tool Set SOJATP2014
Trim Pad Remover Snap-on A 177A or equivalent, commercially available
*Available through the Honda Tool and Equipment Program; call
888-4 ...