I would as it increases your stopping distance - I also have this problem on the front since rear impact on my Jeep.
Replace it.
The rear universal joint on a 1998 Nissan Pathfinder should be replaced when it becomes worn out or broken. Symptoms of a worn joint include rough handling and suspension issues.
When it's broken or the mercury stays the same.
The library will have a chiltons manual that should show you how to replace your suspension on your model and you can probably order a repair manual from manciniracing.com. also.
A broken viola string should be replaced by a professional to ensure proper tunning.
If the cable is broken you should replace it.
Replace the glass bottle
A good computer shop should be able to replace broken parts to fix this.
Please be more specific with your question-front, rear, right, left, steering, ride, what????
Tow it, a major attachment for the rear suspension is broken.
Replace the power cable.
There is no set time or mileage when to replace automotive springs. It would be when springs are fatigued, cracked or broken. At that point the springs should be replaced in pairs.