ATF Replacement

NOTE: Keep all foreign particles out of the transmission.

Bring the transmission up to normal operating temperature (the radiator fan comes on).
Park the vehicle on level ground, and turn the engine off.
Remove the drain plug (A), and drain the automatic transmission fluid (ATF).

Fig 1: Identifying Drain Plug (A) And Sealing Washer (B)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Reinstall the drain plug with a new sealing washer (B).
Refill transmission with the recommended fluid through the filler hole (A) to the upper mark on the dipstick. Always use Acura ATF-Z1 Automatic Transmission Fluid (ATF). Using a non-Acura ATF can affect shift quality.
Automatic Transmission Fluid Capacity:

3.0 L (3.2 US qt) at change

7.0 L (7.4 US qt) at overhaul

Fig 2: Identifying Filler Hole (A), Filler Bolt (B) And Sealing Washer (C)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the ATF filler bolt (B) with a new sealing washer (C).