Subaru 2001 FORESTER Service Manual page 59

Power Assisted System (Power Steering)
16) Insert ST from valve side and press back-up
ring and oil seal out.
CAUTION:
Discard back-up ring and oil seal after removal
and replace with new ones.
ST 927580000 REMOVER
STEERING GEARBOX [RHD MODEL]
G4M0822
PS-58
17) Using ST1 and ST2, repair cylinder's clinched
sections.
ST1 34099FA080 PUNCH
ST2 34099FA070 BASE
(1) Cylinder
18) If cylinder edge is deformed in a convex
shape, repair using an oil stone.
19) Using a sharp-edged, long rod, remove seal
ring and O-ring from rack piston.
CAUTION:
Be careful not to scratch outer surface of rack
piston and seal ring groove. A scratch may
reduce the sealing effect, resulting in faulty
piston operation.
S4M0412A
G4M0889