Subaru 2002 IMPREZA Service Manual page 1586

ATF COOLER PIPE AND HOSE
AUTOMATIC TRANSMISSION
C: INSPECTION
Repair or replace any defective hoses, pipes,
clamps, and washers found from the inspection be-
low.
1) Check for ATF leaks in joints between the trans-
mission, radiator, pipes, and hoses.
2) Check for deformed clamps.
3) Lightly bend the hose and check for cracks in the
surface and other damage.
4) Pinch the hose with your fingers and check for
poor elasticity. Also check for poor elasticity in the
parts where the clamp was by pressing with your
fingernail.
5) Check for peeling, cracks, and deformation at
the tip of the hose.
AT-50