UNIV ER SA L J O IN TS
1988 J e ep C hero ke e
1988 Drive Shafts - Universal Joints
All Manufacturers
MAINTENANCE
Whenever drive shaft is removed from vehicle of if slip yoke
sticks in extension housing seal, clean yoke with solvent. Lubricate
inside diameter of seal with synthetic oil seal lubricant, and outside
diameter of seal with transmission fluid.
OVERHAUL
NOTE: Universal joints should not be disassembled unless external
leakage or damage has occurred.
Before disassembly, scribe alignment marks on yoke and shaft
to allow reassembly in original position. If joints are rusted or
corroded, apply penetrating oil before pressing out bearing cups or
trunnion pin.
CROSS SHAFT & ROLLER TYPE UNIVERSAL JOINTS
There are 2 different retaining methods used for bearing
cups, either snap rings or nylon retainers. Joints with snap rings may
be taken apart and reassembled, using same cross shaft and bearings.
Joints with nylon retainers are disassembled by breaking nylon
retainers. Retainers must be replaced after service.
Removal & Disassembly
1) Disconnect yoke or flange attaching bolts and remove drive
shaft from vehicle.
NOTE: DO NOT use a pry bar to hold drive shaft while loosening
bolts. Damage to bearing seals may result.
Fig. 1: Exploded View of Jeep Constant Velocity Type Universal Joint
2) Remove retaining strap (if equipped). Remove bushing
retainers from yoke. Press out rollers and bearings. Remove last
roller and bushing assembly by pressing on end of cross shaft.
