Chevrolet Light Duty Truck 1973 Service Manual page 236

4 -1 2 REAR SU S PEN SIO N A ND DRIVELINE
c. Start bearing and slinger assembly straight on
shaft journal. Support propeller shaft and, using
suitable length of pipe over splined end of shaft,
press bearing and inner slinger against shoulder
on shaft.
d. Install dust shield over shaft, small diameter
first and press into position against outer
slinger.
e. Install rubber cushion onto bearing.
f. Install bracket onto cushion.
g. Install retaining strap.
Installation
1. For models with one piece propeller shafts, slide
shaft into transmission and attach rear U-joint axle.
Torque bolts to specifications.
2. For C-K models with two-piece propeller shafts,
phasing is no longer required due to the alignment
key, shown in figure 28.
3. For G-P models with two piece shafts, install front
half into transm ission and bolt support to
crossmember.
a. Slide grease cap and gasket onto rear splines.
b. Rotate shaft so front U-joint trunnion is in a
vertical position. See figure 29.
c. Take rear propeller shaft and before installing,
align U-joint trunnions in same vertical position
as in step b (at this point all U-joint trunnions
FRONT
PROP SHAFT
FRONT YOKE OF
REAR PROP SHAFT
Fig. 29— Aligning U-Joints—G-P Models
ALIGNMENT
Fig. 28—C-K Propeller Shaft Alignment Key
should be vertical). Then, note relationship of
front shaft and rear shaft spline position. Rotate
rear shaft four splines toward left side of
vehicle, and install rear shaft to front shaft.
Attach rear U-joint to axle. Tighten grease cap.
d. Torque bearing support to crossmember and
U-joint to axle attachments to specifications.
CONSTANT VELOCITY UNIVERSAL JOINT
Disassembly
1. Remove front propeller shaft from vehicle.
ROTATE TOW ARD LEFT
SIDE OF VEHICLE
LIGHT DUTY TRUCK SERVICE MANUAL