shaft to operate at different angles. The slip joints (or
yokes) permit contraction or expansion (Fig. 2).
Before undercoating a vehicle, the propeller
shaft and the U-joints should be covered to pre-
vent an out-of-balance condition and driveline
vibration.
CAUTION: Use original equipment replacement
parts for attaching the propeller shafts. The speci-
fied torque must always be applied when tightening
the fasteners.
PROPELLER SHAFT JOINTS
DESCRIPTION
Two different types of propeller shaft joints are
used:
• Single cardan universal joint (Fig. 3)
• Double cardan (CV) universal joint (Fig. 4)
None of the universal joints are serviceable. If one
becomes worn or damaged, the complete universal
joint assembly must be replaced.
Fig. 2 Propeller Shafts
1 – FRONT AXLE
2 – FRONT PROPELLER SHAFT
3 – TRANSFER CASE
4 – BOOT
5 – REAR AXLE
6 – STRAP
7 – REAR PROPELLER SHAFT
8 – STRAP
Fig. 1 Reference Marks on Yokes
1 – REFERENCE MARKS
3 - 2 PROPELLER SHAFTS XJ
DESCRIPTION AND OPERATION (Continued)
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