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8) Measure the dimension "B" of drive pinion shaft
ST 398643600
GAUGE
B
9) Calculate the thickness "t" (mm) of drive pinion
shim.
t = 6.5 ± 0.0625 − (B − A)
10) Select three or less shims from following table.
Drive pinion shim
Part No.
31451AA180
31451AA190
31451AA200
31451AA210
31451AA220
31451AA230
E: INSPECTION
• Make sure that all component parts are free of
scratches, holes and other faults.
• Adjust the teeth alignment. <Ref. to 5AT-89, AD-
JUSTMENT, Drive Pinion Shaft Assembly.>
F: ADJUSTMENT
1) Remove the liquid gasket from the mating sur-
face completely.
2) Install the converter case to oil pump cover, 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, 30.2 ft-lb)
Drive Pinion Shaft Assembly
AT-00204
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)
5AT-89
AUTOMATIC TRANSMISSION
3) Rotate the drive pinion several times using ST1
and ST2.
ST1 18667AA010 HOLDER
ST2 499787700
WRENCH
ST1
4) Adjust the backlash between drive pinion and
hypoid driven gear. <Ref. to 5AT-95, ADJUST-
MENT, Front Differential Assembly.>
5) Apply red lead evenly to the surfaces of three or
four teeth on hypoid driven gear. Rotate the drive
pinion in the leftward and rightward for several
times. Remove the oil pump cover, and check the
tooth contact pattern.
If the tooth contact is improper, readjust the back-
lash or shim thickness. <Ref. to 5AT-95, ADJUST-
MENT, 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
ST2
AT-01985
(A)
AT-00207
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