Forward Clutch Drum

WARNING: This page is about a different variant/trim than selected.

Make sure that check balls are not fixed.
Apply compressed air to check ball oil hole from outside of forward clutch drum. Make sure air leaks past ball.
Apply compressed air to oil hole from inside of forward clutch drum. Make sure there is no air leakage.

Fig 1: Applying Compressed Air To Oil Hole (Forward Clutch Drum)
Courtesy of NISSAN MOTOR CO., U.S.A.