Subaru Legacy 2005 Service Manual page 2140

AUTOMATIC TRANSMISSION
10) Select three or less shims from following table.
Drive pinion shim
Part No.
31451AA050
31451AA060
31451AA070
31451AA080
31451AA090
31451AA100
E: INSPECTION
• Make sure that all component parts are free of
scratches, holes and other faults.
• Adjust the teeth alignment. <Ref. to 4AT-112,
ADJUSTMENT, Drive Pinion Shaft Assembly.>
F: ADJUSTMENT
1) Remove the liquid gasket from the mating sur-
face completely.
2) Install the oil pump housing assembly to convert-
er case, and secure them with tightening four bolts
evenly.
NOTE:
Use an old gasket or aluminum washer so as not to
damage the mating surface of housing.
Tightening torque:
⋅
41 N m (4.2 kgf-m, 30.4 ft-lb)
3) Rotate the drive pinion several times using ST1
and ST2.
ST1 498937110 HOLDER
ST2 499787700 WRENCH
Drive Pinion Shaft Assembly
Thickness mm (in)
0.150 (0.0059)
0.175 (0.0069)
0.200 (0.0079)
0.225 (0.0089)
0.250 (0.0098)
0.275 (0.0108)
AT-00205
ST2
ST1
AT-00206
4AT-112
4) Adjust backlash between drive pinion and driven
gear. <Ref. to 4AT-119, ADJUSTMENT, Front Dif-
ferential Assembly.>
5) Apply red lead evenly to the surfaces of three or
four teeth on driven gear. Rotate the drive pinion in
the forward and reverse directions for several
times. Remove the oil pump housing, and check
the tooth contact pattern.
If the tooth contact is improper, readjust the back-
lash or shim thickness. <Ref. to 4AT-119, AD-
JUSTMENT, Front Differential Assembly.>
• Correct tooth contact
Checking item: Tooth contact pattern is slightly
shifted toward to toe side under no-load
rotation. (When loaded, it moves toward heel
side.)
(B)
(A) Toe side
(B) Heel side
• Face contact
Checking item: Backlash is too large.
Contact pattern
(A)
AT-00207
AT-00208