Subaru XT 1988 Service Manual page 728

4WD SYSTEM 3-4
3) Place companion flange in a vise and remove stake nut.
Companion flange
L3-055
Fig. 18
Be sure not to hold propeller shaft pipe portion in the vise.
4) Drive out companion flange with a puller or press.
• Joints for unsmooth operation or abnormal noise
• Center bearing for free play. noise or unsmooth operation
• Oil seals for abnormal wear or damage
INSTALLATION
1) Install center bearing onto front propeller shaft.
2) Install washer to center bearing.
Apply a coat of grease to both surfaces of washer before
installation.
Recommended grease:
Molybdenum disulfide grease
3) Align marks and install companion flange.
4) Tighten stake nut until center bearing is set in position.
Be sure to install new stake nut.
Before disassembling, put aligning mark on affected parts.
Tightening torque:
245 - 294 N·m (25 - 30 kg-m. 181 - 217 ft-Ib)
5) Lightly tap the head of front shaft with a copper hammer
until center bearing is removed.
Stake the nut after tightening.
Copper hammer
Center bearing
L3·056
Fig. 19
Be careful not to damage the thread portion.
INSPECTION
Check the following and replace faulty parts if necessary.
• Tube surfaces for dents or cracks
• Splines for deformation or abnormal wear
• Tubes for runout exceeding 0.6 mm (0.024 in)
Measure runout with a dial gauge at the center of front and
rear shaft tubes.
15
5) Align marks and connect front and rear shafts.
Tightening torque:
24 - 32 N'm (2.4 - 3.3 kg-m, 17 - 24 ft-Ib)
6) Insert sleeve yoke into transmission and attach center
bearing to car body.
Tightening torque:
34 - 44 N'm (3.5 - 4.5 kg-m, 25 - 33 ft-Ib)
Center beari ng
.,~~~
&t.~
Fig. 20