Blower Unit Component Replacement

NOTE: Note these items when overhauling the blower unit:

The recirculation control motor (A), the power transistor (B) and the blower motor (C) can be replaced without removing the blower unit.
Before reassembly, make sure that the recirculation control doors and linkage move smoothly without binding.
After reassembly, make sure the recirculation control motor runs smoothly. RECIRCULATION CONTROL MOTOR TEST
Make sure that there is no air leakage.

Fig 1: Identifying Blower Unit Remove/Install Components

Courtesy of AMERICAN HONDA MOTOR CO., INC.