Constant Velocity Universal Joint - Chevrolet 10 1971 Series Chassis Service Manual

REAR SUSPENSION AN D DRIVE LINE 4-24
This propeller shaft to pinion flange
NOTE:
fastener is an important attaching part in that it
could affect the performance of vital components
and systems, and/or could result in major re­
pair expense. It must be replaced with one of
the same part number or with an equivalent
part if replacement becomes necessary. Do not
use a replacement part of lesser quality or sub­
stitute design. Torque values must be used as
specified during reassembly to assure proper
retention of this part.
2. For models with two piece shafts, install front half
into transmission 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.
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
should be vertical),
tionship of front shaft and rear shaft spline po­
sition. For all models except model CE31403
Fig. 50— Propeller Shaft, Universal Joint and Bearing Support
(fig. 51). Then, note rela­
(157" W„B. 307 CIO, V-8 Engine) Rotate rear
shaft four splines toward left side of vehicle
(fig. 42) and install rear shaft to front shaft. For
Model CE31403 rotate 2 splines. 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.
2. Remove rear trunnion snap rings from center yoke.
Remove grease fitting.
3. Place prop shaft in vice as shown in Figure 52.
Drive one rear trunnion bearing cap from center
yoke as shown in Figure 52 until it protrudes approx­
imately 3/8".
Keep rear portion of propeller shaft up
NOTE:
to avoid interference of rear yoke half with
center yoke.
10-30 CHEVROLET TRUCK SERVICE MANUAL