Subaru Impreza 2003 Service Manual page 1612

AUTOMATIC TRANSMISSION
5) Insert the multi-plate clutch, drive plates, driven
plates, and spring retainer.
(A) Spring retainer
(B) Multi-plate clutch (LSD) piston assembly
6) Install the snap ring using special tools 1, 2, and
3.
ST1 398673600 COMPRESSOR
ST2 498627100 SEAT
ST3 398663600 PLIERS
ST3
E: INSPECTION
• Use forced air to make sure the transfer pipe and
extension case routes are not clogged and do not
leak.
• Measure the extension end play and adjust it to
within specifications.
MPT model
<Ref. to 4AT-84, MPT MODEL, ADJUSTMENT,
Transfer Clutch.>
VTD model
<Ref. to 4AT-85, VTD MODEL, ADJUSTMENT,
Transfer Clutch.>
EXTENSION CASE
(A)
(B)
AT-00126
ST1
ST2
AT-00121
4AT-80