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 ATF filler bolt and drain plug (A), and drain the automatic transmission fluid (ATF).
NOTE: If cleaning the transmission cooler is necessary, refer to ATF cooler cleaning (see ATF COOLER CLEANING ).

Fig 1: Removing ATF Filler Bolt And Drain Plug
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Reinstall the drain plug with a new sealing washer (B).
Refill the transmission with the recommended fluid into 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:

2.7 L (2.9 US qt) at change

7.3 L (7.7 US qt) at overhaul

Fig 2: Removing Filler Bolt
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the filler bolt (B) with a new sealing washer (C).