Subaru XT 1988 Service Manual page 471

3-1
MANUAL TRANSMISSION AND DIFFERENTIAL
b. Backlash is excessive.
To reduce backlash, loosen holder on the upper side (case
R.H. side) and turn in the holder on the lower side (case
L.H. side) by the same amount.
A12·110
Fig. 67
c. Backlash is insufficient.
To increase backlash, loosen holder on the lower side
(case L.H. side) and turn in the holder on the upper side
(case R.H. side) by the same amount.
e. The drive pinion shim selected before is too thin.
Increase its thickness.
A12·113
Fig. 70
14) After checking the tooth contact of hypoid gears, remove
the lock plate. Then loosen retainer until the a'ring groove
appears. Fit a·ring into the groove and tighten retainer into
the position where retainer has been tightened in.
Tighten lock plate.
Tightening torque:
22 - 27 N·m
(2.2 - 2.8 kg·m, 16 - 20 ft·lb)
Carry out this job on both upper and lower retainers.
15) Selecting of main shaft rear plate.
Using DEPTH GAUGE (498147000), measure the amount (A)
'--_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . . ; . . A ;. . : . 1 . : . 2 · . . . : . 1 . . ; . . 1 1. ; . ;
of ball bearing protrusion from transmission main case surface
Fig. 68
d. The drive pInion shim selected before is too thick.
Reduce its thickness.
A12·112
Fig. 69
and select the proper plate in the following table.
Dimension A mm (in)
Part No. Identification
4.0 - 4.13
(0.1575 -0.1626)
32294AA040 1
3.87 - 4.0
(0.1524 - 0.1575)
32294AA050
2
Before measuring, tap the end of main shaft by the plastic
hammer lightly in order to make the clearance zero between
the main case surface and the moving flange of bearing.
38