Install a new gasket (B) on the transmission housing, and install the ATF pipe (C) and the ATF joint pipes (D).
NOTE: Be sure to install a new gasket with the blue side toward the transmission housing.
Install a new O-rings (E) over the ATF joint pipes, and install A/T clutch pressure control solenoid valve A.
Check the fluid passage of A/T clutch pressure control solenoid valves B and C for contamination. If necessary, clean the A/T clutch pressure control solenoid valve body.
Clean the mounting surface and fluid passage of the transmission housing.