1993 Drive Axles - Drive Shafts & Universal Joints Cherokee, Grand Cherokee, Grand Wagoneer, Wrangler Drive shafts are balanced, one-piece, tubular steel shafts with universal joints at each end. Single Cardan universal joints contain a spider, 4 bearing caps with needle bearings, seals and clips. Double Cardan universal joints contains 2 spiders joined together, 8 bearing caps with needle bearings, seals and clips.
VIBRATION
Tires & Wheels
Check tire inflation and wheel balance. Check for foreign objects in tread, damaged tread, mismatched treads or tire sizes. Check for tires that are out of round. Replace or repair as necessary.
Engine & Transmission Mounts
Tighten mounting bolts. Replace mounts if soft or separated.
Drive Shaft
Check shaft for damage or dents. Check for undercoating on shaft. If present, clean shaft.
Universal Joints
Check for defective or damaged "U" joints. Check for loose bolts and worn bearings.
DRIVE SHAFT RUNOUT
Remove any dirt from area around shaft where dial indicator is placed. Measure shaft runout about 3" from weld-seam on each end of shaft. With dial indicator mounted perpendicular to drive shaft, rotate shaft several times. Record runout measurement. Repeat the procedure at the opposite end and center of the drive shaft. See DRIVE SHAFT RUNOUT table. If runout is not equal to or less than specification, replace drive shaft.
Source
Tuesday, May 25, 2010
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