Subaru 2009 IMPREZA Service Manual page 1922

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ATF Cooler Pipe and Hose

AUTOMATIC TRANSMISSION

C: INSPECTION

Repair or replace any faulty hoses, pipes, clamps,

and washers found in the inspection below.

1) Check for ATF leaks in joints between the trans-

mission, radiator, pipes, and hoses.

2) Check the clamp for deformation.

3) Lightly bend the hose and check for cracks in the

surface or other damages.

4) Pinch the hose with your fingers and check for

poor elasticity. Also check for poor elasticity in the

parts where the clamp was installed by pressing

with your fingernail.

5) Check for peeling, cracks, and deformation at

the tip of the hose.