4AT-114
AUTOMATIC TRANSMISSION
Drive Pinion Shaft Assembly
10) Select three or less shims from following table.
E: INSPECTION
Make sure that all component parts are free of
harmful cut, gouges, and other faults.
Adjust the teeth alignment.
ADJUSTMENT, Drive Pinion Shaft Assembly.>
F: ADJUSTMENT
1) Remove the liquid gasket completely.
2) Install the oil pump housing assembly to torque
converter clutch case, and secure them with tight-
ening four bolts evenly.
NOTE:
Use an old gasket or an 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 WRENCH4) Adjust backlash between drive pinion and hy-
poid driven gear.
MENT, Front Differential.>
5) Apply red lead evenly to the surfaces of three or
four teeth on hypoid driven gear. Rotate the drive
pinion in the forward and reverse directions for sev-
eral 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.
JUSTMENT, Front Differential.>
Correct tooth contact
Checking item: Tooth contact pattern is slightly
shifted toward to toe side under no-load
rotation. [When loaded, contact pattern moves
toward heel.]
Face contact
Checking item: Backlash is too large.
Contact pattern
Drive pinion shim
TOOL NUMBER Thickness mm (in)
31451AA050 0.150 (0.0059)
31451AA060 0.175 (0.0069)
31451AA070 0.200 (0.0079)
31451AA080 0.225 (0.0089)
31451AA090 0.250 (0.0098)
31451AA100 0.275 (0.0108)
AT-00205
AT-00206
ST2
ST1
(A) Toe side
(B) Heel side
AT-00207
(A)
(B)
AT-00208
