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Transfer And Extension Case

WARNING: This page is about a different car, the 2024 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transfer And Extension Case Components Location
G00679026Courtesy of SUBARU OF AMERICA, INC.
(1) Seal ring
(2) Ball bearing
(3) Transfer drive gear
(4) Parking gear
(5) Snap ring
(6) Reduction drive gear shaft
(7) Thrust bearing
(8) Needle bearing
(9) Transfer clutch piston
(10) Return spring
(11) Transfer clutch piston seal
(12) Snap ring
(13) Pressure plate
(14) Transfer clutch plate set
(15) Driven plate
(16) Drive plate
(17) Pressure plate
(18) Snap ring
(19) Rear drive shaft
(20) Ball bearing
(21) Ball bearing
(22) Transfer reduction driven gear
(23) Ball bearing
(24) Transfer reduction driven gear shim
(25) Extension case
(26) Extension case oil seal
(27) Dust cover

Tightening torque: N.m (kgf-m, ft-lb) 

T: 25 (2.5, 18.4)