Buick LeSabre 1965 Service Manual page 407

REAR AXLE, 46, 48, 49000 SERIES
6-41
8. Place the pinion gears on the
side gears and rotate into correct
positioa
9. Compress the preload springs
as shown in Figure 6-86 and in-
stall the preload thrust blocks
and springs between the s i d e
gears.
10. Insert the thrust washers be-
hind the pinion gears.
11. Install the pinion shaft and
retain with the lock bolt. Tighten
lock bolt 15 to 25 ft. lbs.
12. Check the side gear splined
hole to be certain it is in line
with the hole in the preload thrust
blocks. The spring retainer can
be moved slightly to correct
misalignment.
d. Simple Procedure for
Testing a Positive Traction
Differential
If there is a doubt that a Buick is
equipped with a Positive Traction
Differential, or to determine if
this option is performing satis-
factorily, a simple t e s t can be
performed.
1. Place transmission in neutral.
2. Raise one wheel off floor and
place a block of wood in front and
rear of opposite wheel.
3. Remove wheel cover and in-
stall torque wrench with extension
on lug nut.
4. Disregard breakaway torque
and observe only torque required
to c o n t i n u o u s l y turn wheel
smoothly. If torque reading is
less than 30 ft. lbs., unit should
be disassembled and repaired as
required.