Chevrolet LIGHT DUTY TRUCK (SERIES 10-35) Service Manual page 359

4A-12 PROPELLER SHAFT
Fig. 4A-26~Exploded V ie w of Centering Ball M echanism
All Constant Velocity Joints (C/V)
The constant velocity (C/V) joint, located at the
transfer case end of the front propshaft, must be lubricated
periodically (see Section
# 1050679, or equivalent. If the fitting cannot be seen from
beneath the vehicle Figure 4A-33 shows how the fitting may
be lubricated from above the C/V joint, with a special
adapter J-25512-2 on the end of a flex hose.
Slip Spline
• Dana Style Propshaft
grease cap, shown in Figure 4A-34 and slide the collar back
to reveal the sealing area. Apply chassis lubricant at the
fitting until grease begins to leave through the vent hole.
Cover the vent hole with your finger and continue applying
lubricant until it can be seen leaving at the slip yoke seal.
Fig. 4 A - 2 7 ~ l n s t a l l i n g T o o l J - 2 3 9 9 6 O v e r Ball
LIG H T T R U CK SER V IC E M ANUAL
0) with special lubricant,
- First loosen the screw-on
Fig. 4A -2 8--ln stalling Outer C ylind er of Tool J -2 3 9 9 6 Over
Reinstall the grease cap.
If the slip spline is dry or corroded, it may be necessary
to disconnect the propshaft from the truck, remove the slip
yoke, and wire brush the affected areas. Wipe clean before
reinstallation. When installing the propshaft to transfer case
attaching bolts, torque to specification (20-30 ft. lbs.).
• GM Style Propshaft
the fitting until grease begins to leave through the vent hole.
If the slip spline is dry or corroded, it may be necessary
to disconnect the propshaft from the truck, remove the slip
yoke, and wire brush the affected areas. Wipe clean before
reinstallation. When installing the propshaft to transfer case
front output flange attaching bolts, torque to specification
(70-80 ft. lbs.).
Fig. 4 A - 2 9 - R e m o v i n g C e n t e r in g Ball
Ball
- Apply chassis lubricant at